Eat Before Exercise?
I have heard it way too often lately…."My trainer (or someone else) told me not to eat before I exercise in the morning because I will burn more fat if I exercise on an empty stomach." This is simply not true! In fact, the opposite is true. You should eat before you work out to lose weight.
When you wake up from overnight, your glycogen stores (carb stores) are pretty low. It seems logical that since your glycogen is low that you should then use fat for energy if you go and work out. If only it were that easy we would not have the epidemic of obesity that we have! Instead of your body using stored fat to fuel your workout, your body decides to use muscle instead of fat. It wants to hang on to fat, just like you like to hang on to your savings account. Your body treats your fat stores like savings and does not like to have to use them.
In addition, whenever you put your body into significant low energy, it thinks it is starving and that just teaches the body to go into survival mode and hang on to fat. Not only will you store fat, but you also won’t get a good workout. If you have ever hit the wall or felt really low on energy during a workout, it is very likely due to improper fueling before you worked out.
If you are exercising first thing in the morning, I don’t expect you to eat a large amount. Just a small pre-workout snack is enough to tell the body that it has some fuel coming in. As long as the body knows that you are giving it some fuel to work with, it will respond with burning small amounts of body fat. However, it is when the deficit is large (no food after overnight fast) that it will conserve fat storage. Even eating 100-200 calories will do the trick.
If you are not exercising in the morning, but rather at lunchtime or after work, have a small snack before your workout if it has been more than 3 hours since your last meal or snack. Again, a 100-200 calorie snack should be plenty to get you through that workout. Follow the workout with your next meal within an hour or with a snack if it will be longer than that until the next meal.
You will actually lose more body fat and perform better if you eat before working out. If you are still skeptical, give it a try for a few weeks and let me know how it goes!
Labels: exercise, maintaining weight loss, sports nutrition, Tara Gidus
13 Comments:
At Sun Nov 11, 03:52:00 PM 2007,
Anonymous said…
This sounds like very good advice and I will try it in the future. Too bad I didn't know this sooner!
Thanks
At Mon Nov 12, 11:36:00 AM 2007,
Mike McBride said…
I couldn't agree more. Exercise without adequate nutrition is a good way to get low blood sugar. When I was a kid, i used to force myself to exercise through the hunger and I developed hypoglycemia. For me, a protein shake is perfect before exercise and I keep a beverage on hand during exercise.
At Tue Nov 13, 09:23:00 AM 2007,
Anonymous said…
I have always heard that you should not eat before you exercize in the morning to burn more fat! Thanks for the tip!
Marcy H
At Tue Nov 13, 09:29:00 AM 2007,
Anonymous said…
I had another question about green tea. Is there a certain kind you have to get to get the nutrients from it? Is the kind in the grocery store ok or should you get if from a tea specialty shop? Is it ok to use a tea bag? How much of it do you have to drink a day for it to be good for you?
Thanks for your help!
Marcy
At Fri Dec 12, 08:31:00 AM 2008,
Paul said…
Thanks for the great article. This past week I made the mistake of going to the gym on an almost empty stomach. I ended up feeling very faint.
At Thu Jan 08, 06:54:00 AM 2009,
Anonymous said…
Nutrion is indeed important but the reason you shouldn't eat before exercise is that i relocates vital blood into your stomach, making the exercise much harder then normally (without any other benefits) giving you a lower performance capacity.
I would surely recommend eating AFTERWARDS though!
At Sat Jan 10, 04:12:00 PM 2009,
sajavie12 said…
Oh my goodness this is so helpful!! I wish I would have known this sooner.
At Sun Mar 15, 09:50:00 PM 2009,
Anonymous said…
i couldnt disagree more. i have first hand experience losing my midsection weight way more easily when doing cardio in a fasted state.
if you say the opposite is true, that our bodies try to hold onto fat like savings, then why would eating a meal cause it to get rid of the fat? you didnt seem to explain that one....
cardio after a meal just burns the calories you just consumed.
At Sat Jun 20, 01:34:00 PM 2009,
Anonymous said…
What they are saying is you need energy to work out. They didnt say eat full meal.
At Sun Sep 06, 04:50:00 PM 2009,
Anonymous said…
You're all a bunch of idiots. If you don't eat before you workout, then when you do, where is the energy coming from? Thin air? The body will use muscle fat, yes, but after the work out, your body fat will replenish the muscle fat. That's why you eat only about an hour after you work out (so the body will use body fat to replenish the muscle instead of the food you just consumed). Like someone said, you only burn the calories you eat when you work out. After the workout, you're bound to feel hungry again. My advice, drink lots of water before you workout and eat vege's an hour after you workout to lose weight. I did it, sure as hell worked for me.
At Fri Oct 16, 12:06:00 PM 2009,
Anonymous said…
where is your support???
i want documentation!!
At Tue Nov 03, 06:09:00 PM 2009,
Anonymous said…
The most important thing is to calorie count for weight loss. Burn more calories than you consume in a day and you'll lose weight.
At Fri Nov 06, 07:08:00 AM 2009,
Anonymous said…
i always eat a small bun right before i start my workout because i don't wanna run on an empty stomach. so far it's going great, it gives me a lot of energy to run.
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