Who Wastes Money on Glutamine?

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    Who Wastes Money on Glutamine?


    Effect of glutamine supplementation combined with resistance training in young adults.

    Candow DG, Chilibeck PD, Burke DG, Davison KS, Smith-Palmer T.

    College of Kinesiology, University of Saskatchewan, Saskatoon, Canada.

    The purpose of this study was to assess the effect of oral glutamine supplementation combined with resistance training in young adults. A group of 31 subjects, aged 18-24 years, were randomly allocated to groups (double blind) to receive either glutamine (0.9 g x kg lean tissue mass(-1) x day(-1); n = 17) or a placebo (0.9 g maltodextrin x kg lean tissue mass(-1) x day(-1); n = 14 during 6 weeks of total body resistance training. Exercises were performed for four to five sets of 6-12 repetitions at intensities ranging from 60% to 90% 1 repetition maximum (1 RM). Before and after training, measurements were taken of 1 RM squat and bench press strength, peak knee extension torque (using an isokinetic dynamometer), lean tissue mass (dual energy X-ray absorptiometry) and muscle protein degradation (urinary 3-methylhistidine by high performance liquid chromatography). Repeated measures ANOVA showed that strength, torque, lean tissue mass and 3-methylhistidine increased with training (P < 0.05), with no significant difference between groups. Both groups increased their 1 RM squat by approximately 30% and 1 RM bench press by approximately 14%. The glutamine group showed increases of 6% for knee extension torque, 2% for lean tissue mass and 41% for urinary levels of 3-methylhistidine. The placebo group increased knee extension torque by 5%, lean tissue mass by 1.7% and 3-methylhistidine by 56%. We conclude that glutamine supplementation during resistance training has no significant effect on muscle performance, body composition or muscle protein degradation in young healthy adults.

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    J Strength Cond Res 2002 Feb;16(1):157-60
    The effects of high-dose glutamine ingestion on weightlifting performance

    Antonio J, Sanders MS, Kalman D, Woodgate D, Street C.

    Sports Science Laboratory, University of Delaware, Newark, Delaware 19716, USA.

    The purpose of this study was to determine if high-dose glutamine ingestion affected weightlifting performance. In a double-blind, placebo-controlled, crossover study, 6 resistance-trained men (mean +/- SE: age, 21.5 +/- 0.3 years; weight, 76.5 +/- 2.8 kg(-1)) performed weightlifting exercises after the ingestion of glutamine or glycine (0.3 g x kg(-1)) mixed with calorie-free fruit juice or placebo (calorie-free fruit juice only). Each subject underwent each of the 3 treatments in a randomized order. One hour after ingestion, subjects performed 4 total sets of exercise to momentary muscular failure (2 sets of leg presses at 200% of body weight, 2 sets of bench presses at 100% of body weight). There were no differences in the average number of maximal repetitions performed in the leg press or bench press exercises among the 3 groups. These data indicate that the short-term ingestion of glutamine does not enhance weightlifting performance in resistance-trained men.
    Last edited by YellowJacket; 02-02-2003 at 01:18 PM.

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    Int J Sports Med 2000 Jan;21(1):25-30 Related Articles, Links


    The effect of free glutamine and peptide ingestion on the rate of muscle glycogen resynthesis in man.

    van Hall G, Saris WH, van de Schoor PA, Wagenmakers AJ.

    Department of Human Biology, Maastricht University, The Netherlands. RH01769@RH.DK

    The present study investigated previous claims that ingestion of glutamine and of protein-carbohydrate mixtures may increase the rate of glycogen resynthesis following intense exercise. Eight trained subjects were studied during 3 h of recovery while consuming one of four drinks in random order. Drinks were ingested in three 500 ml boluses, immediately after exercise and then after 1 and 2 h of recovery. Each bolus of the control drink contained 0.8 g x kg(-1) body weight of glucose. The other drinks contained the same amount of glucose and 0.3 g x kg(-1) body weight of 1) glutamine, 2) a wheat hydrolysate (26% glutamine) and 3) a whey hydrolysate (6.6% glutamine). Plasma glutamine, decreased by approximately 20% during recovery with ingestion of the control drink, no changes with ingestion of the protein hydrolysates drinks, and a 2-fold increase with ingestion of the free glutamine drinks. The rate of glycogen resynthesis was not significantly different in the four tests: 28 +/- 5, 26 +/- 6, 33 +/- 4, and 34 +/- 3 mmol glucosyl units x kg(-1) dry weight muscle x h(-1) for the control, glutamine, wheat- and whey hydrolysate ingestion, respectively. It is concluded that ingestion of a glutamine/carbohydrate mixture does not increase the rate of glycogen resynthesis in muscle. Glycogen resynthesis rates were higher, although not statistically significant, after ingestion of the drink containing the wheat (21 +/- 8%) and whey protein hydrolysate (20 +/- 6%) compared to ingestion of the control and free glutamine drinks, implying that further research is needed on the potential protein effect.
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    Metabolism 2000 Dec;49(12):1555-60 Related Articles, Links


    Intravenous glutamine does not stimulate mixed muscle protein synthesis in healthy young men and women.

    Zachwieja JJ, Witt TL, Yarasheski KE.

    Exercise and Nutrition Program, Pennington Biomedical Research Center, Baton Rouge, LA, USA.

    We investigated the effects of a glutamine-supplemented amino acid mixture on vastus lateralis muscle protein synthesis rate in healthy young men and women. Three men and 3 women (27.8 +/- 2.0 yr, 22.2 +/- 1.0 body mass index [BMI], 56.1 +/- 4.5 kg lean body mass [LBM]) received a 14-hour primed, constant intravenous infusion of L[1-13C]leucine to evaluate the fractional rate of mixed muscle protein synthesis. In addition to tracer administration, a clinically relevant amino acid mixture supplemented with either glutamine or glycine in amounts isonitrogenous to glutamine, was infused. Amino acid mixtures were infused on separate occasions in random order at a rate of 0.04 g/kg/h (glutamine at approximately 0.01 g/kg/h) with at least 2 weeks between treatment. For 2 days before and on the day of an infusion, dietary intake was controlled so that each subject received 1.5 g protein/kg/d. Compared with our previous report in the postabsorptive state, amino acid infusion increased the fractional rate of mixed muscle protein synthesis by 48% (P < .05); however, the addition of glutamine to the amino acid mixture did not further elevate muscle protein synthesis rate (ie, 0.071% +/- 0.008%/h for amino acids + glutamine v 0.060% +/- 0.008%/h for amino acids + glycine; P = .316). Plasma glutamine concentrations were higher (P < .05) during the glutamine-supplemented infusion, but free intramuscular glutamine levels were not increased (P = .363). Both plasma and free intramuscular glycine levels were increased when extra glycine was included in the infused amino acid mixture (both P < .0001). We conclude that intravenous infusion of amino acids increases the fractional rate of mixed muscle protein synthesis, but addition of glutamine to the amino acid mixture does not further stimulate muscle protein synthesis rate in healthy young men and women.
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    J Appl Physiol 2002 Sep;93(3):813-22 Related Articles, Links


    Exercise-induced immunodepression- plasma glutamine is not the link.

    Hiscock N, Pedersen BK.

    Copenhagen Muscle Research Centre and Department of Infectious Diseases, Rigshospitalet, University of Copenhagen, DK-2100 Copenhagen, Denmark.

    The amino acid glutamine is known to be important for the function of some immune cells in vitro. It has been proposed that the decrease in plasma glutamine concentration in relation to catabolic conditions, including prolonged, exhaustive exercise, results in a lack of glutamine for these cells and may be responsible for the transient immunodepression commonly observed after acute, exhaustive exercise. It has been unclear, however, whether the magnitude of the observed decrease in plasma glutamine concentration would be great enough to compromise the function of immune cells. In fact, intracellular glutamine concentration may not be compromised when plasma levels are decreased postexercise. In addition, a number of recent intervention studies with glutamine feeding demonstrate that, although the plasma concentration of glutamine is kept constant during and after acute, strenuous exercise, glutamine supplementation does not abolish the postexercise decrease in in vitro cellular immunity, including low lymphocyte number, impaired lymphocyte proliferation, impaired natural killer and lymphokine-activated killer cell activity, as well as low production rate and concentration of salivary IgA. It is concluded that, although the glutamine hypothesis may explain immunodepression related to other stressful conditions such as trauma and burn, plasma glutamine concentration is not likely to play a mechanistic role in exercise-induced immunodepression.
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    Effect of glutamine and protein supplementation on exercise-induced decreases in salivary IgA.

    Krzywkowski K, Petersen EW, Ostrowski K, Link-Amster H, Boza J, Halkjaer-Kristensen J, Pedersen BK.

    The Copenhagen Muscle Research Centre, Rigshospitalet, 2200 Copenhagen, Denmark.

    Postexercise immune impairment has been linked to exercise-induced decrease in plasma glutamine concentration. This study examined the possibility of abolishing the exercise-induced decrease in salivary IgA through glutamine supplementation during and after intense exercise. Eleven athletes performed cycle ergometer exercise for 2 h at 75% of maximal oxygen uptake on 3 separate days. Glutamine (a total of 17.5 g), protein (a total of 68.5 g/6.2 g protein-bound glutamine), and placebo supplements were given during and up to 2 h after exercise. Unstimulated, timed saliva samples were obtained before exercise and 20 min, 140 min, 4 h, and 22 h postexercise. The exercise protocol induced a decrease in salivary IgA (IgA concentration, IgA output, and IgA relative to total protein). The plasma concentration of glutamine was decreased by 15% 2 h postexercise in the placebo group, whereas this decline was abolished by both glutamine and protein supplements.None of the supplements, however, was able to abolish the decline in salivary IgA. This study does not support that postexercise decrease in salivary IgA is related to plasma glutamine concentrations.
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    Effect of carb intake on plasma glutamine

    Int J Sport Nutr 1998 Mar;8(1):49-59 Related Articles, Links


    Effect of low- and high-carbohydrate diets on the plasma glutamine and circulating leukocyte responses to exercise.

    Gleeson M, Blannin AK, Walsh NP, Bishop NC, Clark AM.

    School of Sport and Exercise Sciences, University of Birmingham, Edgbaston, England.

    We examined the effects of a low-carbohydrate (CHO) diet on the plasma glutamine and circulating leukocyte responses to prolonged strenuous exercise. Twelve untrained male subjects cycled for 60 min at 70% of maximal oxygen uptake on two separate occasions, 3 days apart. All subjects performed the first exercise task after a normal diet; they completed the second exercise task after 3 days on either a high-CHO diet (75 +/- 8% CHO, n = 6) or a low-CHO diet (7 +/- 4% CHO, n = 6). The low-CHO diet was associated with a larger rise in plasma cortisol during exercise, a greater fall in the plasma glutamine concentration during recovery, and a larger neutrophilia during the postexercise period. Exercise on the high-CHO diet did not affect levels of plasma glutamine and circulating leukocytes. We conclude that CHO availability can influence the plasma glutamine and circulating leukocyte responses during recovery from intense prolonged exercise.
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    Clin Nutr 2002 Oct;21(5):423-9 Related Articles, Links


    Carbohydrate supplementation during intense exercise and the immune response of cyclists.

    Bacurau RF, Bassit RA, Sawada L, Navarro F, Martins E Jr, Costa Rosa LF.

    Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Brazil.

    OBJECTIVE: To evaluate the effect of carbohydrate supplementation upon some aspects of the immune function in athletes during intense indoor cycling. METHODS: Twelve male athletes cycled for 20 min at a velocity corresponding to 90% of that obtained at the anaerobic threshold and rested for 20 min. This protocol was repeated six times. The athletes received, during the trial, water ad libitum, or a solution of carbohydrate (95% glucose polymers and 5% fructose) at 10% (w/v), 1 g kg h every 20 min, starting at the 10th minute of the first exercise period, plus extra water ad libitum. RESULTS: Exercise induced a reduction in peripheral blood mononuclear cell proliferation (37%) as well as in the production of cytokines by cultured cells (interleukin-1 (IL-1), interleukin-2 (IL-2), tumor necrosis factor-alpha (TNF-alpha) and interferon-gamma (IFN-gamma), by 37%, 35%, 26% and 16%, respectively). All of these changes were prevented by the ingestion of a carbohydrate drink by the athletes, except that in IFN-gamma production, which was equally decreased (17%) after the second trial. The concentration of plasma glutamine, an important fuel for immune cells, was decreased in the placebo group but maintained in the group that received carbohydrate. CONCLUSION: Carbohydrate supplementation affects positively the immune response of cyclists by avoiding or minimizing changes in plasma glutamine concentration


    An excerpt from "Appetite For Construction
    Building Results From Research"
    by John M. Berardi

    Should I Spend my Hard-Earned Money on Glutamine or Hookers?

    .... A high protein diet provides a big whack of glutamine as it is. In fact, if you follow standard bodybuilding protein recommendations, about 10% of your total dietary protein intake is composed of glutamine (milk proteins are composed of somewhere between 3 — 10% glutamine while meat is composed of about 15% glutamine). This means that a high protein diet (400g/day) already provides me with about 40g of glutamine.

    • While the theorists still cling to the idea that since glutamine helps clinical stress, it might help with exercise stress, it‚s important to note that exercise stress has got nothin‚ on surgery, cancer, sepsis, burns, etc. For example, when compared with downhill running or weight lifting, urinary nitrogen loss is 15x (1400%) greater in minor surgery, 25x (2400%) greater in major surgery, and 33x (3200%) greater in sepsis. When it comes to the immune response, it‚s about 9x (800%) greater with surgery. When it comes to metabolic increase, it‚s 7x (600%) greater with burn injury, and when it comes to creatine kinase release; it‚s about 2x (100%) greater with surgery. As I said, exercise has got nothin‚ on real, clinical stress. It‚s like trying to compare the damage inflicted by a peashooter and that inflicted by a rocket launcher.

    • The major studies examining glutamine supplementation in otherwise healthy weightlifters have shown no effect. In the study by Candow et al (2001), 0.9g of supplemental glutamine/kg/day had no impact on muscle performance, body composition, and protein degradation. Folks, that's 90g per day for some lifters.

    • The majority of the studies using glutamine supplementation in endurance athletes have shown little to no measurable benefit on performance or immune function.

    • And with respect to glycogen replenishment in endurance athletes, it's interesting to note that the first study that looked at glycogen resynthesis using glutamine missed a couple of things. Basically, the study showed that after a few glycogen depleting hours of cycling at a high percentage of VO2 max interspersed with very intense cycle sprints that were supramaximal, a drink containing 8g of glutamine replenished glycogen to the same extent as a drink containing 61g of carbohydrate.

    The problem was that during the recovery period, a constant IV infusion of labeled glucose was given (i.e., a little bit of glucose was given to both groups by IV infusion). While this isn't too big of a deal on its own since the infusion only provided a couple of grams of glucose, the other problem is that during glycogen depleting exercise, a lot of alanine, lactate, and other gluconeogenic precursors are released from the muscle.

    What this means is that there's a good amount of glucose that will be formed after such exercise, glucose that will be made in the liver from the gluconeogenic precursors and that will travel to the muscle to replenish glycogen. Therefore, without a placebo group that receives no calories, carbohydrates, or glutamine, we have no idea of knowing whether or not the placebo would have generated the same amount of glycogen replenishment as the glutamine group or the glutamine plus carbohydrate group. To say it another way, perhaps there's a normal glycogen replenishment curve that was unaffected by any of the treatments.

    • And finally, with respect to the claims that glutamine might increase cell swelling/volume (something I once believed was a reality), we decided to test this theory out in our lab using multifrequency bioelectric impedance analysis as well as magnetic resonance spectroscopy. The pilot data that's kicking around has demonstrated that glutamine supplementation has no effect on total body water, intracellular fluid volumes, or extracellular fluid volumes (as measured by mBIA) and has no effect on muscle volume (as measured by nMRS)...
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    Shot down, bwahahaha... good string of info there Mr. Bee.
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    I used to, but dismissed it as crap about a year ago.
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    Ok fine you won, uncle, uncle!! lol

    I've used glutamine for many years, but after reading Big H's T-mag posts a couple of months ago and a some studies like the above, I decided to give it up. I still have about 500g left becuase I bought it in such huge amounts, so I'm finishing off what I have now, but then I'm done. Great studies YJ.
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    Now, How am I gonna get huge?



    I get it cheap, and I never really pay for my own supps, so why fix what ain't broken? Any unused Glutamine products can be shipped to Mr. Fox, thanks!

    As always, Mr. Bee CSCS, NCYTRE, HMIC... Good post, brother!
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    Originally posted by bigpetefox
    Now, How am I gonna get huge?



    I get it cheap, and I never really pay for my own supps, so why fix what ain't broken? Any unused Glutamine products can be shipped to Mr. Fox, thanks!



    If Petefox uses it, then please disregard these studies....look what its done for him! ow ow !
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    ^^ So, my roommate's abit faster?

    Seriously, I used it while dieting for shows, when I didn't want the water hanging around from using creatine.. Last year I used it, but I used creatine 3 weeks out from my show.. I got the water down in good time, but I was still keeping the pump.. Was it Glutamine? I can't say, I try not to rely too heavily on what it should be doing, and worry more about whait I feel it doing..
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    Originally posted by YellowJacket





    If Petefox uses it, then please disregard these studies....look what its done for him! ow ow !
    sweet, does that mean I can be a pimpdaddy if I keep&nbsp;using&nbsp;it then?

    actually I still could see using it for cutting, but definitely not for maintenance or bulking diets.
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    they look like boobies! :
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    I will continue to use it regardless of cutting or bulking, but only on workout days. I have my own business, not rich, but I don't worry about the cost of supps and feel it is cheap insurance againt soft tissue damage. JonBlaze639 claims it markedly speeded the recovery on a bad pec tear. I also found recovery better with than without it. And if it's placebo effect, I'll take the placebo and faster recovery.

    But, if I were on a budget, I would consider the cost prohibitive, and spend the money on liver tabs.
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    Seems like old times eh John?
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    Originally posted by Bobo
    Seems like old times eh John?
    It's about the only thing we disagree on. You've even convinced me to give up high g.i. carbs postworkout. I've got to disagree with you on something. Sheeeeeszze!
    Last edited by John Benz; 02-02-2003 at 03:10 PM.
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    Very nice read. JB nice to hear that about your friend. Glad to see he could benefit from it. I hadn't read of anyone with a pec tear being able to heal with it. Hope is doing well now. I knew of pec tears being inoperable but this is new to me nice to learn a little something new.
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    Originally posted by Bobo
    Seems like old times eh John?
    haha, I remember the same thing as well, just that I've changed my mind this time I think. I do agree though that if bought from the right place I don't think glutamine is all that $$.
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    Originally posted by DarCSA
    JB nice to hear that about your friend. Glad to see he could benefit from it. I hadn't read of anyone with a pec tear being able to heal with it. Hope is doing well now.
    Jonblaze639 was one of the most respected vets over at bb.com in its heyday. He dropped out of sight about 7 months ago, and just resurfaced last week and is now posting on this board.
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    Im not sure glutamine in itself has the properties needed to repair soft tissue structures in itself. Im sure it has the potential to aid in the process, but as to crediting glutamine for a quick recovery from such a devastating injury is going out on a thin limb.
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    Above all, you have to give props to medline! Before such easy access to medline, you'd have guys spouting off at the mouth about this and that being a "miracle drug." Now, with an easy search, the normal joe can pull up 100s if not 1000s of studies, abstracts, and full length double-blind placebo controlled experiments! It's truly a beautiful age we live in!
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    All I know is when I use Glutamine I seem to be less sore and recover faster. That's proof enough that it works for me.
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    If you guys want something that will give you more benefits than glutmaine, use HMB. I know everyone bashes it but it has been proven to work better than glutamine. I have studies but I'm too lazy to find them. I posted a bunch on bb.com back in the day. The only problem is that HMB was always so expensive and not worth the price (worse than glutmaine). I've seen it drop significantly and can be affordable even at 6g per day (recommended) now. Just another option.....


    I think it might of been Benz who posted the study that they work better synergistically than by themselves. Might of been Weave...Can't remember now....

    Correction. Its cresatine and HMB that work both together.

    Effect of dietary supplements on lean mass and strength gains with resistance exercise: A meta-analysis.

    Nissen SL, Sharp RL.

    Department of Animal Science, Iowa State University, Ames, IA, USA.

    The purpose of this study was to quantitate which dietary supplements augment lean mass and strength gains during resistance training. Peer-reviewed studies between the years 1967 and 2002 were included in the analysis if they met a predetermined set of experimental criteria, among which were at least three weeks duration and resistance-training two or more times a week. Lean mass and strength were normalized for meta-analysis by conversion to percent change per week and by calculating the effect size for each variable. Of the 250 supplements examined, only six had more than two studies that met the criteria for inclusion in the meta-analysis. Creatine and ss-hydroxy-ss-methylbutyrate (HMB) were found to significantly increase net lean mass gains of 0.36% and 0.28% / week and strength gains of 1.09% and 1.40% / week (p<0.05), respectively. Chromium, dehydroepiandrosterone (DHEA), androstenedione and protein did not significantly affect lean gain or strength. In conclusion, two supplements, creatine and HMB, have data supporting their use to augment lean mass and strength gains with resistance training.
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    Originally posted by Bobo
    If you guys want something that will give you more benefits than glutmaine, use HMB. I know everyone bashes it but it has been proven to work better than glutamine. I have studies but I'm too lazy to find them. I posted a bunch on bb.com back in the day. The only problem is that HMB was always so expensive and not worth the price (worse than glutmaine). I've seen it drop significantly and can be affordable even at 6g per day (recommended) now. Just another option.....


    I think it might of been Benz who posted the study that they work better synergistically than by themselves. Might of been Weave...Can't remember now....
    I think it was Benz, can't remember now. But for anyone else: yes HMB does work very well for the intended purpose (great while cutting), but it is pricey. Years ago when it came out the recommended was 3g, I've heard 6 g now also. The best price I found on it was Ultimate Nutrition's, but I couldn't find there's anymore. If I remember correctly, the patent holder was some University, (maybe Ohio?) and that was partly a reason for the high cost, limited raw sources. Not sure now, this was maybe 6 years ago.
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    I went over and grabbed this stuff from one of my posts at bb.com. The research shows that adding 3 gram of HMB to your creatine will improve lean muscle gain and strength gains, better than taking Creatine OR HMB alone

    Creatine and beta-hydroxy-beta-methylbutyrate (HMB) additively increase lean body mass and muscle strength during a weight-training program.

    Jowko E, Ostaszewski P, Jank M, Sacharuk J, Zieniewicz A, Wilczak J, Nissen S.

    Institute of Sport and Physical Education, Biala Podlaska, Academy of Physical Education, Warsaw, Poland.

    We investigated whether creatine (CR) and beta-hydroxy-beta-methylbutyrate (HMB) act by similar or different mechanisms to increase lean body mass (LBM) and strength in humans undergoing progressive resistance-exercise training. In this double-blind, 3-wk study, subjects (n = 40) were randomized to placebo (PL; n = 10), CR (20.0 g of CR/d for 7 d followed by 10.0 g of CR/d for 14 d; n = 11), HMB (3.0 g of HMB/d; n = 9), or CR-and-HMB (CR/HMB; n = 10) treatment groups. Over 3 wk, all subjects gained LBM, which was assessed by bioelectrical impedance analysis. The CR, HMB and CR/HMB groups gained 0.92, 0.39, and 1.54 kg of LBM, respectively, over the placebo group, with a significant effect with CR supplementation (main effect P = 0.05) and a trend with HMB supplementation (main effect P = 0.08). These effects were additive because there was no interaction between CR and HMB (CR x HMB main effect P = 0.73). Across all exercises, HMB, CR, and CR/HMB supplementation caused accumulative strength increases of 37.5, 39.1, and 51.9 kg, respectively, above the placebo group. The exercise-induced rise in serum creatine phosphokinase was markedly suppressed with HMB supplementation (main effect P = 0.01). However, CR supplementation antagonized the HMB effects on serum creatine phosphokinase (CR x HMB interactive effect P = 0.04). Urine urea nitrogen and plasma urea were not affected by CR supplementation, but both decreased with HMB supplementation (HMB effect P < 0.05), suggesting a nitrogen-sparing effect. In summary, CR and HMB can increase LBM and strength, and the effects are additive. Although not definitive, these results suggest that CR and HMB act by different mechanisms.
    ------------------------------------------------------------------------

    The latest research shows that Creatine, HMB, and Glutamine when combined, work synergistically to produce results far greater than when taken alone.

    Beverly recently introduced a product called MUSCLE SYNERGY. Ingredients are as follows:
    niacin 100 mg
    L-Arginine 3500 mg
    Beta-hydroxy-beta-methylbutarate 1500 mg
    creatine monohydrate 1500 mg
    L-Glutamine 1000 mg
    L-Glycine 500 mg

    What Beverly says:

    Beverly International's Muscle Synergy™ supplement compound is a breakthrough for drug free muscle growth. There are three distinct compounds combined synergistically to increase muscle growth at a rate that far exceeds that with any of the ingredients alone.
    1.The combination of beta-hydroxy-beta-methylbutarate (HMB) with Arginine and Glutamine has been research proven to increase lean muscle mass even in patients with immunodeficienccy muscle wasting.
    2. The combination of Creatine Monohydrate and beta-hydroxy-beta-methylbutarate (HMB) has been shown to increase lean tissue to a greater degree than when either is taken alone.
    3. L-Arginine, L-Glutamine, L-Glycine, and Nicotinic acid have all been shown to augment growth hormone release when used individually. When combined in the correct ratios found in Muscle Synergy their effect on growth hormone levels may be exponentially heightened.

    Now MET-Rx has introduced a similar product called MASS ACTION. A lot of the local guys are raving about the incredible pumps they get from Muscle Synergy. They can't keep this product in stock at our local Max Muscle and Body Masters.
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    Nice, that was it, thanks John.

    I have to add that EAS was on to this when they came out with Betalean years ago, just way too much $$$.
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    yj , what dissappointed me was the intravenous study , i felt the conclusions reached from the other studies were due to the fact that most of the glutamine injested orally is taken up by the gastro intestinal tract hence hardly anything is getting used by the body .

    but yj , can u look for any studies which show the effect of glutamine(intravenous) on cortisol production&nbsp;and on gh spike (or igf-1) ?
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    i dunno man, theres a million studies out there that say glutamine works too....you know they are there, or should i be so kind to show them to you?. I'm sure a lot of the older bros will remember 10-15 years ago, they had studies saying that 30 grams of glutamine a day was crazy and it'd mess up your brain and possibly kill you. I'm sure you've see those "studies" also.

    so whatever i disregard them all.

    But listen to MY study.....
    I do arm day, the next few days i'm sore as heck, feels like someone took a hammer to my arms, takes around 4 days to heal of which the first 2 days my bi's and tri's kill me.(don't believe me, ask ManBeast what intensity level i train at)

    Next arm day, i do the exact same routine, keep the exact same calorie intake and the same amount of protein but add 30 grams/day of glutamine...takes me 3 days to heal, and i'm real real sore for 1 day, then the 2nd day i barely feel a thing, 3rd day i'm pretty much good.

    So obviously it's working for ME. Maybe it doesn't work for everyone, but for me it's one of my top supps. Waste of my money? I think not.
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    Thats a legit point, But its still a watse of money when you can buy a solid protein with a good amino acid profile that includes a significant amount of glutamine, like Optimum 100% whey.
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    i bought a 5lb tub of glut peptides w/ my roommate last year for $40 from kilosports. We each put down $20, and he never found a scale to take out his half, so he let me keep it all...5lbs of glut for $20, talk about a good deal =P
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    Thats a hell of a deal, butn ot everyone is going to get that deal...thats pretty rare, but good luck certainly went your way.
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    Damn Blaze, that is a good deal. I get 2lbs of peptides for $29 and I'm fine with that, but that is killer! I'll have to check kilo now and see what they're at.
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    Shiot Blaze, if glut had ever allowed me to heal up every 3 days, I'd be a pro bb by now lol. I've gone as high as ~30 g, just didn't work as well for me. That's great if you notice such a benefit though, and ended up with that much bulk powder

    By the way, I want to throw in this quick price comparo for you bros:
    KiloSports- you're looking at 1kg/2.2lbs-$40
    Optimum Nutrition (through DPS) at 1kg/2.2lbs-$33
    Prolab (through Muscleshoppe) at either 400g-$17 or 1000g $38.50
    Eclipse (DPS) at 1kg-$37
    SuppDirect at 2.5kg-$80

    so Weave you've got the good deal workin
    Last edited by Biggs; 02-04-2003 at 03:54 PM.
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    u get 60% less from kilo now for the same price....whata jip.

    then they'll raise the price more, and run a special and drop off a few $$. I hate them now.
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    Well I might just be tempted to try this **** again dammit... anywhere else that might be cheaper than Optimum's 1000g/33$?
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    I should clarify on my original post where I say I dismissed it as crap.
    I feel it's beneficial when cutting and eating below maintenance calories. It may help with soreness but I personally never felt a difference. I bought a tub way back and still have a good amount, so I use it for those reasons. I take it through a few training phases, as opposed to year round as I used to do.

    If you're taking it with your protein, then you're definitely wasting your money because it supposedly inhibits the absorption of the other aminos (as taking loads of any single amino will do).
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