vpx power shock or bsn amino x?
- 09-19-2011, 09:00 AM
- 09-21-2011, 02:12 PM
09-22-2011, 11:51 PM
any how, i looked to see if you guys had some bcaa's, didn't see any.
but, i waited too long, and so, i had to stop by the v shop and grabbed a tub of amino x. watermelon.
taste like a jolly rancher. mixes great with orange gatoraid.
09-23-2011, 05:07 AM
I always go for EAA product, and this is why
That alone makes me prefer EAAs!J Nutr. 2006 Jan;136(1 Suppl):234S-6S.
Modulations of muscle protein metabolism by branched-chain amino acids in normal and muscle-atrophying rats.
Kobayashi H, Kato H, Hirabayashi Y, Murakami H, Suzuki H.
Applied Research Department, AminoScience Laboratories, Ajinomoto Co., Kawasaki, Japan. [email protected] om
It has been shown that BCAAs, especially leucine, regulate skeletal muscle protein metabolism. However, it remains unclear how BCAAs regulate muscle protein metabolism and lead to anabolism in vivo. We examined muscle protein synthesis rate and breakdown rate simultaneously during BCAA infusion in muscle atrophy models as well as in normal healthy rats. Corticosterone-treated rats and hindlimb-immobilized rats were used as muscle atrophy models. Muscle protein synthesis rate and breakdown rate were measured as phenylalanine kinetics across the hindlimb. In anesthetized normal rats, BCAAs stimulated muscle protein synthesis despite low insulin concentration and did not suppress muscle protein breakdown. In corticosterone-treated rats, BCAAs failed to restore inhibited muscle protein synthesis, but reduced muscle protein breakdown. Immobilization of hindlimb increased muscle protein breakdown within a day. BCAAs did not change muscle protein metabolism, although essential amino acids (EAAs) suppressed muscle protein breakdown in hindlimb-immobilized rats. We also evaluated changes of fractional synthesis rate (FSR) of skeletal muscle protein during infusion of leucine alone or EAAs for 4 h in anesthetized normal rats. FSR showed a transient increase at 15-30 min of leucine infusion and then declined, whereas FSR stayed elevated throughout EAA infusion. We concluded that
1) BCAAs primarily stimulate muscle protein synthesis in normal rats independently of insulin
2) EAAs are required to maintain the BCAA stimulation of muscle protein synthesis and
3) The effects of BCAAs on muscle protein metabolism differ between atrophy models.
09-23-2011, 05:12 AM
09-23-2011, 05:24 AM
Me personally I just don't even want to risk it. Why short-change yourself, when EAA products are roughly the same price.
09-23-2011, 05:34 AM
09-23-2011, 07:58 AM
09-23-2011, 08:04 AM
09-23-2011, 09:38 AM
I am finishing up using amino nitrate by vpx...wouldn't call it awesome but it's what was there at the time...wanna get some more wraath. That sh1t is awesome fasted interval sprints and running... *tingles
...::: Olympus Labs Athlete & Representative :::...Crossfit - DEMIGOD -
09-23-2011, 06:04 PM
09-23-2011, 06:08 PM
09-23-2011, 06:10 PM
09-23-2011, 06:10 PM
09-23-2011, 08:08 PM
I've found both for the same price and serving. I used vpx powershock in my last contest prep and loved it.. never lost muscle.. it was my dedicated intra-workout.. now I prefer no-synthesize by them.
Hi-Tech Pharmaceuticals Representative
09-23-2011, 09:19 PM
09-24-2011, 01:11 AM
09-24-2011, 01:19 AM
09-24-2011, 03:02 AM
09-24-2011, 10:17 AM
09-24-2011, 02:14 PM
This is true, but i see two flaws:1) the food eaten must be a complete source of protein2) the amount of EAAs in said food is potentially lowFor example, theres only 18mg of Histidine per gram of protein in complete food source.Taking an EAA product you would absorb them all at once, in much larger amounts. And we know timing of nutrients around a workout is essential to success. Theres too many variables to factor in for this to be a legit reason to pick BCAAs over EAAs.
09-24-2011, 02:36 PM
Serious Nutrition Solutions rep
09-24-2011, 08:28 PM
That said my post workout shake sometimes makes me wanna puke.. I guess thats why sometimes I stretch out my workouts... I just have a hard time drinking 10g bcaas mixed in a casein shake.... (also my stomach cant handle milk proteins... just drinking it up cause my mom sent me a bottle cause she thought I wanted protein from america....)
09-24-2011, 09:44 PM
09-26-2011, 12:36 PM
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