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What to Eat Pre-Run and Post-Run: Review and Recommendations

By DrLaPuma 8 years agoNo Comments
Home  /  Fitness Equipment  /  What to Eat Pre-Run and Post-Run: Review and Recommendations
running wellness

Only one thing clearly emerged from my review of papers and positions about what to eat before and after you work out. Most people do not need to eat anything to complete most workouts.

Weekend athletes, casual runners, sports players who are not elite or endurance athletes, or elderly and sarcopenic: make it easy on yourself. Drink 14-20 ounces of water before and every 45-60 minutes during your workout, and afterwards, and you are set. (Use a non reactive water bottle: I like the ones with silicone sleeves.)

In addition, if you are working out to keep the weight off, you are probably better off training with very little (50-75 calories, mostly carbs and a little protein, about 4:1) in your stomach, depleting your liver glycogen, and kicking over to burning fat. And not eating afterwards. 

Working out, by the way, does not usually help you lose weight by itself, because most of us can out eat any amount of exercise, but it does make you feel better, add to self confidence, and redistribute weight.

However, if you are training for an event–a marathon, for example–or if you have an optimum performance goal in mind, and if you are an endurance or elite athlete, you should think about nutrition as essential equipment, without which you will underperform.

But what nutrition? Should everyone training for an event just have half a peanut butter and strawberry jam sandwich on whole grain toast an hour before and within an hour after their event, as a pre- and post-exercise appetizer?

Surprisingly, this isn’t bad advices, unless you’re on a ketogenic diet, or are against the grain, or allergic to peanuts (there is always organic tahini, or almond butter), or allergic to strawberries, in which case there is pomegranate molasses, which makes everything taste better. You have a small appetizer before the intense workout, and a small appetizer after. Not fourth and fifth meal.

For the sake of discussion,  endurance athletes are those who train and compete for 90 minutes or longer. There are so many different views of pre and post-event eating, both practice-based and science-based, that I will highlight the three categories and you can explore from there:

*Pre-race. Depletion-loading techniques mean draining all the glycogen from your liver and muscles by going ketotic for a few days before the race, and then carb loading like crazy.  Dr. Bill Henderson describes it, and then gives the risks and benefits, and recommends against it. 

*Eating while racing.  Sounds impossible, but it is essential. Here, the American College of Sports Medicine suggests ingesting 1.5g of carbs/kilogram of body weight during the first 30 minutes, and every two hours thereafter.

*Recovery Nutrition. The classic advice to eat protein containing foods after the race is all about improving muscle repair, and releasing more insulin, to store glycogen in the liver and the muscles. Your body makes muscle glycogen most actively in the first 15 minutes post-exercise. The best data shows that your protein need is about .4g per kg of body weight.

Paradoxically, more insulin circulating is exactly what most of America does not want, as it is an indicator of insulin resistance in the presence of excessive visceral fat stores…which, it is safe to say if you are running marathons, you don’t have.

Not covered here is electrolyte replacement, which is its own conundrum of brightly colored drinks and trademark disputes; gender differences (there are probably differences in fatigue, for example); and whether runners should rely on artificial foods like “goo” or real food.

Also not covered is whether all carbs are the same (they’re not); the effect of the microbiome on performance; and the effect of stress on insulin and blood sugar levels.  I hope to get to these one day.

Lastly, don’t do anything new the day of a race…you practiced, you’re fueled, you can Refuel, now go!

  Fitness Equipment, Obesity and Weight Loss, Refuel and Men's Health

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