12 Intermittent Fasting Tips for Athletes

12 Intermittent Fasting Tips for Athletes

Yesterday, I explained the potential benefits and drawbacks of intermittent fasting for athletes. Maybe yesterday’s post intrigued you. Maybe you’re curious about this whole intermittent fasting thing but don’t want to sacrifice your performance in the gym or on the field.

What are my specific recommendations for athletes who wish to explore intermittent fasting? I’ve got twelve…plus some details about my own fasting and workout routine.

1) Use Restricted Eating Windows Over All-day Fasts

Athletes who want to lean out or maintain strength and performance while lowering body weight might have more success with shortened eating windows than with all day fasts or “one meal a day.” Fast for 12-16 hours, train, and break the fast. Then have 8-12 hours to eat. This will give you a nice block of almost pure fat-burning with enough of an eating window to get the calories you need to grow and maintain muscle and to recover from your training.

2) Small Amount Of Protein Pre-workout May Help

Having a small bit of protein (20 grams whey or maybe 10 grams BCAAs) can help if truly fasted workouts are too hard.

3) Fasted Walks In the Mornings

Whether you skip breakfast or dinner, you’ll have a block of time in the mornings before eating anything. That’s when fat-burning will be upregulated, and brisk fasted walking is a nice way to enhance it.

4) Light Cardio After a Fasted Lifting Session

A heavy lifting session will get free fatty acids liberated from your adipose tissue, particularly if you’re fasted. Doing some very light cardio after your weights should in theory help you utilize all that mobilized adipose tissue. Go for a 20-minute walk, do ten minutes on the bike, or something similar.

5) “Train Fasted, Race Fed”

This is a more intense version of “train low-carb, race high-carb,” a popular and well-researched method of enhancing fat adaptation and increasing fuel efficiency in endurance athletes. Training in a fasted state “forces” the athlete to burn stored fat because, well, there isn’t a whole lot of carbohydrate available. Plus, fasting necessarily increases the circulation of free fatty acids, which can be burned for fuel. This applies to everyone, not just people “racing.” The trick is to train in a fasted state (if you find it helps) and compete (whether it’s CrossFit games, a basketball game, a lifting competition, etc.) in a fed state—as long as it seems to improve your performance.

6) Most Of the Time, Break the Fast Shortly After the Workout

If you’re skipping dinner and eating breakfast, try morning workouts. If you’re skipping breakfast and eating lunch, try afternoon workouts.

7) Every So Often, Continue the Fast After a Workout

This enhances secretion of growth hormone, which fasting already elevates. Don’t make this an every-workout habit, though. Diminishing returns and all.

8) Every Athlete Can Probably Benefit From the Occasional Longer Fast (24 hours+)

This will normalize inflammation, boost growth hormone, and upregulate autophagy, giving you all the necessary co-factors for rest and recovery. Tissues will heal, joints will recover. Do nothing more on these days than easy movement (walks, hikes, bike rides, swims). Time this fast away from competition because your performance may suffer. Do these once a week or every other week.

9) If You Have Joint Problems (or Want To Avoid Them), Take Collagen or Drink Bone Broth Before a Fasted Workout

Fifteen grams of pre-workout collagen or gelatin with a few hundred milligrams of vitamin C has been shown to improve collagen synthesis in connective tissue, and collagen shouldn’t disrupt the fast too much.

10) More Isn’t Better

I see this a lot, especially with endurance athletes who get into intermittent fasting. They start eating breakfast later and see their times drop and their body fat disappear. They feel lighter on their feet, faster, just better all around. So they push breakfast even later and maintain the benefits, even building on them. Pretty soon they’re skipping lunch, and their performance drops off a cliff. When trying to use fasting to improve athletic performance, less is more generally speaking.

11) Realize That Exercise and Fasting Are Additive

For the average couch potato to get the benefits of fasting, he or she might need to go 16 hours without food. The couch potato isn’t liberating body fat through training. The couch potato isn’t getting into ketosis through physical activity. The couch potato isn’t increasing mitochondrial density—the power plants of the cells which actually process fuel—with exercise. The athlete is doing all those things. For the athlete, many of the benefits of fasting will appear with smaller fasting windows.

12) Consider Sleeping Low

Sleeping low” is an alternative to full-on fasting that actually seems to work well. This is how you do it:

  • Afternoon workout. This should be something intense that depletes glycogen—sprinting, metabolic conditioning, high volume strength training, high intensity endurance workouts.
  • Eat protein and fat at dinner, no carbs. You’re not refilling your glycogen. You’re reveling in your lack of glycogen.
  • Sleep.
  • Wake up and do low-intensity cardio (walking, cycling, hiking, swimming) before breakfast. Eat carbs at breakfast.
  • Repeat.

When a group of triathletes followed this protocol, both their submaximal efficiency and supramaximal capacity. High submaximal efficiency means you get more power out of each stroke/pedal/step with less energy required. Your “easy pace” becomes faster and more powerful. High supramaximal capacity means you can last longer at your maximum power output.

It’s likely that full-on fasting could be integrated into this protocol. Maybe with a compressed eating window leading up to the afternoon workout.

A Few Words About My Routine:

A few people have asked, so I’ll give an overview of how I approach this topic for myself:

Every day, I do time-restricted feeding. This isn’t a formal declaration I make with myself every day. It’s not really a schedule. It just happens naturally. I wake up and most days I’m not very hungry for anything but a cup of coffee, so I “skip” breakfast and eat my first meal around one in the afternoon following a workout.

Most of my workouts are performed in a fasted state, and I usually keep fasting after the workout for a few hours. I’ll extend that fast after the workout to really take advantage of the increased secretion of growth hormone. I’m not really trying to “get big” or anything, I’m more interested in maintaining body comp and function and increasing longevity. Natural pulses in growth hormone help with that.

Before most workouts, I’ll do some Collagen Fuel. This doesn’t seem to impair my fast and it helps me keep my joints working well—an important part of aging.

Half an hour before my weekly Ultimate Frisbee game, I’ll also include a little Primal Fuel (my whey isolate powder). This just helps me perform better. I’m not going to lose. (By the way, I’ll talk more about protein types for different functions in an upcoming post.)

That’s it for today, folks. Have you tried any of these fasting workout tips? Have they worked? Do you have any more to add? Let us know down below!

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References:

Marquet LA, Brisswalter J, Louis J, et al. Enhanced Endurance Performance by Periodization of Carbohydrate Intake: “Sleep Low” Strategy. Med Sci Sports Exerc. 2016;48(4):663-72.

The post 12 Intermittent Fasting Tips for Athletes appeared first on Mark’s Daily Apple.

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