Is it better to eat or not to eat before doing cardio in the morning? Heard that you should not and then I heard you should because it starts up the metabolism. Just want to know what's best for losing weight faster.

You're going to hear different schools of thought on this, just like you already stated. There's not a clear-cut answer.
I've been a fan of taking some BCAAs and doing 20-30 minutes of fasted cardio upon rising, but it was also low intensity stuff.
Layne Norton has produced or linked multiple articles/studies showing that you burn more when eating normal meals placed around the cardio just as you would a traditional weight-training workout.
The bottom line is there will never be a "this is right and that is wrong" on this subject. Do what you prefer![]()
Psalm 34:10 - "The lions may grow weak and hungry, but those who seek the Lord lack no good thing."
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Im a fan of 20 mins SSCV - fasted.
This has worked well for me in the past, and has also worked for alot of people I know.
But it comes down to personal preference. Find what works best for you, as everyone is different and will react differently to each method.
ANABOLIC DESIGNS REPRESENTATIVE --- PERFORM AND TRANSFORM
Weightloss is a function of caloric expenditure vs. caloric intake. Eating before exercise has many benefits, you can delay the onset of fatigue (substrate depletion). Don't get caught up in the intensities.
A lot of it depends on intensity for me. I'm a big fan of fasted cardio when it's steady state and low intensity. If you're going to perform a bunch of high intensity cardio work I wouldn't want to do that first thing in the morning while completely fasted.
Studies have shown that results are no different re fat loss if cardio is fasted or unfasted, so it really depends on the individual and their personal preferences in what state they train. I have personally trained both ways throughout the years, but feel so much better when I train fasted, and I do ALL my training fasted, with no detrimental effect on my performance.
Plus, WEIGHT loss is easy - all you have to do is primarily manipulate water and carbohydrate intake, so don't concentrate on SCALE WEIGHT because it is IRrelevant, but focus on FAT loss, since BODY COMPOSITION is what is important.
~Rosie~
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I forget all the details but MrKleen found a study that showed ~10-15 grams of protein about 30 minutes prior to cardio enhanced fat loss/burning. If you are doing it fasted in the AM, that may not be feasible but in that case I say throw down 10 grams of BCAAs and you will get near the same benefit. Rosie knows her stuff though.
If my direct and cynical approach bothers you, just ignore it. I'm just saying what you need to hear ;).
You can eat but make sure you give your stomach some time to digest the food before working out.
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Whatever you feel best about, if you feel better fasted then stick with it..however if not go back to eating before.
Thanks for all the advice. I've been doing the fasted cardio and feel good. So I'll see how that goes.
It is always good to eat before the exercises. That is what my trainer told me and ask me to do.
Dimitri
I can't prefer to eat before the cardio and eat any thing after the cardio...
It is better one to have the much energy after the swear comes out from your body and fulfill the
body nutrition's and requirements...
http://www.youtube.com/watch?v=hXE_isOLp5A
As someone who cycles for cardio i never eat before or i throw up after, but when i dont cycle and do fasted cardio on the stairmaster, i feel like i get more out of it.
FACTs :
food signals insulin
insulin inhibits HSL and cAMP.
HSL + cAMP signal fatloss.
For me, the action IS the juice.
Not everyone is concerned with fatloss. Adrenergic innervation via catecholamine release/outflow increases cAMP-dependent protein kinase activity, decreases plasma insulin concentration, and initiates fatty acid mobilization. This happens from the onset of exercise and increases with intensity and duration. Under normal physiological conditions in healthy individuals, insulin should be at its basal level within an hour of eating prior to exercise.