Best workout nutrition strategies. A useful guide for what to eat before, during, and after exercise.

Looking for the best workout nutrition strategies to help improve performance, drop body fat, and gain lean muscle? Look no further. This article will teach you what to eat before, during, and after exercise for your specific goals.

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Just how important is workout nutrition anyway? Does eating specific things, at specific times, improve performance and help add lean muscle while losing fat? And, if so, what should you eat before, during, and after exercise?

These are common questions here at Precision Nutrition. Which is why, in this article, I’ll review the science of workout nutrition (you might be surprised by what I find) and share some of the best workout nutrition strategies for different goals.

• Want a quick guide? Check out our infographic: Workout nutrition illustrated. What to eat before, during, and after exercise. Health and fitness pros, feel free to print this out for your clients.

How to know if workout nutrition is important for you (or your clients).

At Precision Nutrition, we’ve worked with over 45,000 men and women through our nutrition coaching programs. Through this experience we’ve developed an advanced understanding of how workout nutrition strategies should vary from person to person.

What’s true for the pre-diabetic office worker who’s never exercised is certainly not true for the serious endurance runner or the long-time bodybuilder.

In general, the people who stand to benefit most from specific nutritional strategies around their workouts are athletes and competitors. For example:

• Endurance athletes training for high-level competition usually log a lot of miles each week. Their carbohydrate and calorie needs are likely higher. Therefore, adding a protein + carbohydrate (P+C) drink during training can help.
• Bodybuilders usually lift weights with serious muscle growth in mind. They often want to gain weight and require more protein and calories. A protein + carbohydrate (P+C) drink during training can help here too.
• Fitness competitors usually accumulate a lot of exercise hours trying to drop to a single-digit body fat percentage. To accomplish this, carb and calorie intake should be lower. A performance-enhancing, muscle-preserving branched-chain-amino acids (BCAA) drink during training can help.

Here’s a handy table that outlines our recommendations by goal and by body type.

Workout nutrition guidelines by goal and body type

Body type	General goal	Pre-workout	During workout	Post-workout
Ectomorph	Muscle gain or endurance support	Eat normally 1-2h prior	1 P+C drink, BCAA drink, or water during	Eat normally 1-2h after
Mesomorph	Physique optimization or intermittent sport support	Eat normally 1-2h prior	1 P+C drink, BCAA drink, or water during	Eat normally 1-2h after
Endomorph	Fat loss or strength sport support	Eat normally 1-2h prior	1 BCAA drink or water during	Eat normally 1-2h after

Non-athletes: Focus on food quality and quantity.

For everyone else, eating a healthy, well-considered meal 1-2 hours before exercise, and another healthy, well-considered meal within 1-2 hours after exercise can meet workout nutrition needs without any other fancy strategies.

Therefore, if you:

• are exercising for general health and fitness;
• have modest goals; and/or
• don’t have unique physiological needs…

…then your workout nutrition strategies can be more basic.

Focus on:

• eliminating nutrient deficiencies;
• ensuring your portions are the right size; and
• starting to eating right for your body type.

For more on these, check out “The 3 steps I teach trainers and coaches to fix any diet problem”.

Workout nutrition in detail.

Now you have an overview of our workout nutrition recommendations for different goals, body types, and levels of experience. Some of you can probably stop there.

However, if you’d like to go deeper, let’s dig in.

First I’ll review what’s happening during the pre-exercise, during-exercise, and post-exercise time periods. Then I’ll share what to eat to get the most out of them.

Pre-exercise nutrition needs.

What and when you eat before exercise can make a big difference to your performance and recovery.

In the three hours before your workout, you’ll want to eat something that helps you:

• sustain energy;
• boost performance;
• hydrate;
• preserve muscle mass; and
• speed recovery.

Here are a few ways to ensure you’re meeting your requirements.

Protein before exercise.

Eating some protein in the few hours before exercise:

• Can help you maintain or even increase your muscle size. That’s important for anyone who wants to improve health, body composition, or performance.
• Can reduce markers of muscle damage (myoglobin, creatine kinase, and myofibrillar protein degradation). Or at least prevent them from getting worse. (Carbohydrates or a placebo eaten before exercise don’t seem to do the same thing.) The less damage to your muscles, the faster you recover, and the better you adapt to your exercise over the long term.
• Floods your bloodstream with amino acids just when your body needs them most. This boosts your muscle-building capabilities. So not only are you preventing damage, you’re increasing muscle size.

Before you rush off to mix a protein shake: While protein before a workout is a great idea, speed of digestion doesn’t seem to matter much. So any protein source, eaten within a few hours of the workout session, will do the trick.

Carbs before exercise.

Eating carbs before exercise:

• Fuels your training and helps with recovery. It’s a popular misconception that you only need carbs if you’re engaging in a long (more than two hour) bout of endurance exercise. In reality, carbs can also enhance shorter term (one hour) high-intensity training. So unless you’re just going for a quiet stroll, ensuring that you have some carbs in your system will improve high intensity performance.
• Preserves muscle and liver glycogen. This tells your brain that you are well fed, and helps increase muscle retention and growth.
• Stimulates the release of insulin. When combined with protein, this improves protein synthesis and prevents protein breakdown. Another reason why a mixed meal is a great idea. No sugary carb drinks required.

Fats before exercise.

Fats before exercise:

• Don’t appear to improve nor diminish sport performance. And they don’t seem to fuel performance — that’s what carbs are for.
• Do help to slow digestion, which maintains blood glucose and insulin levels and keeps you on an even keel.
• Provide some vitamins and minerals, and they’re important in everyone’s diet.

Pre-exercise nutrition in practice

With these things in mind, here are some practical recommendations for the pre-exercise period.

Depending on what suits your individual needs, you can simply have normal meal in the few hours before exercise. Or you can have a smaller meal just before your exercise session. (If you’re trying to put on mass, you may even want to do both.)

Option 1: 2-3 hours before exercise.

This far in advance of your workout, have a mixed meal and a low-calorie beverage like water.

If you’re a man, here’s what your meal might look like:

If you’re a woman, here’s what your meal might look like.

Note: Your actual needs will vary depending on your size, goals, genetics, and the duration and intensity of your activity.

For example, an endurance athlete preparing for a 20 mile run will need more carbs than someone getting ready for a 45 minute gym session.

This article talks more about how you can individualize these meals for your own needs.

Option 2: 0-60 minutes before training.

Rather than eating a larger meal 2-3 hours before exercise, some people like to eat a smaller meal closer to the session.

The only issue with that: the closer you get to your workout, the less time there is to digest. That’s why we generally recommend something liquid at this time, like a shake or a smoothie.

Yours might look like this:

• 1 scoop protein powder
• 1 fist of veggies (spinach works great in smoothies)
• 1-2 cupped handfuls of carbs (berries or a banana work great)
• 1 thumb of fats (like mixed nuts or flax seeds)
• low-calorie beverage like water or unsweetened almond milk

Here’s a delicious example:

• 1 scoop chocolate protein powder
• 1 fist spinach
• 1 banana
• 1 thumb peanut butter
• 8 oz. chocolate, unsweetened almond milk

It probably goes without saying, but with pre-training nutrition, choose foods that don’t bother your stomach. Because… er… you know what happens if you don’t.

During-exercise nutrition needs.

What you eat or drink during exercise is only important under specific circumstances. But if you are going to eat during exercise, your goals will be similar to those for pre-workout nutrition. Above all, you’ll want to maintain hydration.

Goals of nutrition during exercise:

• stay hydrated;
• provide immediate fuel;
• boost performance;
• preserve muscle; and
• improve recovery.

Protein during exercise.

Eating protein during exercise:

• Helps prevent muscle breakdown. This can lead to improved recovery and greater adaptation to training over the longer term. And this is especially true if it has been more than three hours since your last meal. You only need a small amount of protein to control protein breakdown — around 15 grams per hour. If you’re the type of person who prefers to exercise on an empty stomach, then 10-15 grams of BCAAs during training can be helpful.
• Is really only necessary for some people: athletes doing long, intense training bouts, multiple daily training sessions, and/or people trying to gain significant amounts of mass.

Carbs during exercise.

Eating carbs during exercise:

• Provides an immediate fuel source. This helps boost performance and facilitate faster recovery. It keeps our stress hormone cortisol down, and beneficial hormones up.
• Is only beneficial in certain circumstances: endurance athletes on long runs, for people who want to gain a lot of muscle, and for highly active people who need every calorie they can get to increase size, strength, and/or performance.

How many carbs should you eat?

That depends. The maximum amount of carbohydrates that can be digested/absorbed during exercise is 60-70 grams per hour.

However, if you include protein in the mix, you can achieve the same endurance benefits with only 30-45 grams of carbohydrate per hour. Note: the protein also protects against muscle breakdown so it’s typically a good idea to add some in.

Fats during exercise.

Eating a bit of fat before and after exercise can be a great idea. (And tasty, too!)
But you should try to avoid eating fats during exercise. That’s because fats can be more difficult to digest. And during training, you don’t want to give your stomach more work than it can handle.

During-exercise nutrition in practice.

Do you need to eat during your workout?

That depends on how long it’s been since your last meal and the length/type of exercise you’re planning on.

Exercise lasting less than two hours

For training that’s less than two hours long, the main focus should be hydration. This is especially true if you’re using good pre- and post-training nutrition. So make sure you bring plenty of water.

But what about sports drinks? They don’t offer much benefit for events less than two hours long. Especially if you ate a good pre-exercise meal.

There are some exceptions, though:

• If you’re exercising in the heat and sweating a lot, sports drinks may be useful since they have electrolytes that help speed hydration and recovery.
• Also, if you’re going to be competing or training again in less than eight hours, sports drinks may jumpstart recovery before the next session.
• If you’re trying to gain maximum muscle, then including a protein and carbohydrate drink or some BCAAs during training could provide a small advantage.
• Finally, at the highest end of sport or competition, while it may not help, it certainly won’t hurt to sip on a sports drink during competition to ensure maximal hydration and energy supply.

Exercise lasting more than two hours.

For training that is longer than two hours, sports drinks can be a huge help. Every hour you’ll want to consume:

• 15 grams protein
• 30-45 grams carbs

This can come in the form of liquids, gels, or even some solid food.

Many endurance athletes prefer to drink water and eat fruit and other foods to supply their energy even on really long runs. Either approach is fine, as long as you ensure you’re getting enough protein, carbohydrates and electrolytes, especially sodium.

If you are exercising intensely for longer than two hours, especially in the heat, do not rely on water alone. This will decrease your performance and your recovery. And it could also lead to hyponatremia, a condition in which the sodium levels in your blood become too low. Hyponatremia causes your muscles and heart to contract erratically, and can even lead to death.

Under these conditions, when you’re sweating a lot, go with sports drinks.

Post-exercise nutrition needs.

Now let’s take a look at post-exercise nutrition.

Post-workout nutrition can help you:

• recover;
• rehydrate;
• refuel;
• build muscle; and
• improve future performance.

Protein after exercise.

Eating protein after exercise prevents protein breakdown and stimulates synthesis, leading to increased or maintained muscle tissue. So it’s a great strategy for better recovery, adaptation, and performance.

In the past, most fitness experts recommended fast acting proteins like whey or casein hydrolysate. This is because early research indicated that the more quickly amino acids get to your muscles, the better the result.

However, new research shows that hydrolyzed, fast-digesting proteins may get into our systems too fast. Because they’re in and out of the bloodstream so quickly, they might not maximize protein synthesis or maximally inhibit protein breakdown after all.

What’s more, hydrolyzed casein is preferentially taken up by the splanchnic bed (i.e. our internal organs). Which means it isn’t maximally effective for improving protein synthesis elsewhere.

And the protein you ate before training is still peaking in your bloodstream, so how quickly this protein gets there doesn’t really matter.

In other words, there’s no real evidence that protein powders, especially the fast-digesting kind, are any better for us than whole food protein after training. They’re probably not worse either. Which means you can choose whichever type of protein you want for your post-workout meal.

Want fast and convenient? Make an awesome post-workout protein shake.

Want real food? Then make an awesome high-protein meal.

Any high quality complete protein should do the job, as long as you eat enough. That means about 40-60 grams for men (or 2 palms) and 20-30 grams for women (1 palm).

Carbs after exercise.

Contrary to popular belief, it’s unnecessary to stuff yourself with refined carbohydrates and sugars to “spike” insulin and theoretically restore muscle and liver glycogen as rapidly as possible after your workout.

In fact, a blend of minimally processed whole food carbohydrates, along with some fruit (to better restore or maintain liver glycogen) is actually a better choice, because:

• it’s better tolerated;
• it restores glycogen equally over a 24-hour time period; and
• it might lead to better next-day performance.

Endurance athletes who perform two glycogen-depleting sessions within eight hours of one another might be an exception to this guideline, as speed of glycogen replenishment is critical in that situation. But for most healthy exercisers, whole food with some fruit is a better way to go.

Research shows that muscle protein breakdown is most inhibited and muscle protein synthesis happens best when insulin is at 15-30 mU/L. This is only about three times above fasting levels of 5-10 mU/L.

These levels are easily reached if you eat a mixed meal or drink Super Shake a few hours before and after training. Plus, with mixed meals, your levels should stay at this rate for about four hours after consumption.

Fats after exercise.

Dogma has it that we should avoid fats after exercise because they slow the digestion and absorption of nutrients.

While this is true, in most cases, it’s also irrelevant. We’ve already seen that speed of digestion of protein and carbs is not necessarily as important as we once thought. The same with fats.

In fact, one study compared what happens when people drink skim milk rather than whole milk after training. Participants drank either 14 oz. of skim milk or 8 oz. of whole milk (that equalized the calories, for those of you who love calorie math).

The skim milk drinkers got the same number of calories — along with six extra grams of protein. So you’d think they’d have the advantage.

Yet the whole milk drinkers actually ended up with a higher net protein balance! And the researchers had no explanation other than the fat content of the whole milk.

Additional research shows that eating as much as 55 grams of fat post-training, and another 55 grams in the two subsequent meals did not get in the way of glycogen replenishment compared to lower fat meals with the same amount of carbohydrates.

Clearly, fat doesn’t reduce the benefits of protein and carbohydrate consumption around training. In fact, it actually might provide some benefits of its own!

Post-exercise nutrition in practice.

While you don’t have to rush in the door and straight to the fridge the minute you finish at the gym, you shouldn’t dawdle and poke around forever before eating. Failing to eat within a two-hour window following training can slow recovery.

But this is context dependent; what you ate before your workout influences things. If your pre-training meal was a small one or you ate it several hours before training, then it’s probably more important for you to get that post-workout meal into your system pretty quickly. Probably within an hour.

If you trained in a fasted state (say, first thing in the morning before breakfast) then it’s also a good idea to chow down as soon after your workout as you can.

But if you ate a normal sized mixed meal a couple of hours before training (or a small shake closer to training), then you have a full one to two hours after training to eat your post-workout meal and still maximize the benefits of workout nutrition.

So go ahead — spend an hour in the kitchen cooking up a feast.

0-2 hours after exercise.

The approach to recover from training is the same as your preparation for a workout: have a mixed meal of real food.

Again, here’s how men might build it:

• 2 palms of protein;
• 2 fists of vegetables;
• 2 cupped handfuls of carbs;
• 2 thumbs of fats;
• low-calorie beverage like water.

And here’s how women might build it:

• 1 palm of protein;
• 1 fist of vegetables;
• 1 cupped handful of carbs;
• 1 thumb of fats;
• low-calorie beverage like water.

Sometimes after training you might not feel hungry. And that’s okay. If you don’t feel like eating, you can go with liquid nutrition.

Make a Super Shake using the same hand-sized portion guidelines as discussed above.

What to do next:
Some tips from Precision Nutrition.

In the end, there’s no perfect pre-and-post-training feeding regimen for everyone.

But the workout nutrition strategies laid out in this article will give you the foundation you need to experiment, practice, and figure out what works best for you (or, if you’re a trainer, what gets your clients the best results).

1. Understand your own needs.

The protein, carbohydrate, fat, and fluid requirements for a 155 lb. endurance athlete in the midst of marathon training vs. a 225 lb. bodybuilder recovering from a heavy resistance-training session are quite different.

Times of your training year will also dictate different needs in the post-exercise recovery period. That same bodybuilder will need a different approach when he starts to diet in preparation for a contest.

2. To simplify, prioritize whole foods.

For most of us, people without athletic competitions on the horizon, the best pre- and post-training meals will contain some combination of:

• high-quality protein,
• high-quality carbohydrates,
• healthy fats, and
• some fruit and vegetables.

These whole foods provide an awesome blend of nutrients: protein, carbohydrates, fats, fiber, vitamins, minerals, antioxidants, and phytonutrients that build muscle, supply energy, decrease inflammation, and boost recovery.

Of course, you can eat solid foods or drink Super Shakes. And the amount of each macronutrient can vary depending on your needs as well as personal preferences and tolerances.

3. Time it right.

In terms of timing, you have about one to two hours on both sides of your training to still get maximal benefit.

And, according to the most recent data, the total amount of protein and carbohydrate consumed over the course of the day is far more important to lean mass gain, fat loss, and performance improvements than any specific nutrient timing strategy.

4. Commit long-term.

You may not gain a firm grasp on your own workout nutrition needs — or those of your clients — until you’ve experimented and adhered to what seems to work best consistently for several months.

Embrace that. Next-level workout performance and body composition isn’t supposed to come overnight. So view it as a fun challenge rather than a frustration.

Need help putting workout nutrition into practice?

Eating right for your workouts is next-level stuff; it can even feel a little complicated. That’s why, without guided experimentation, it’s hard to nail right away.

At Precision Nutrition, it’s our mission to help make the process easier, more effective, and more fun.

Women and men in our Precision Nutrition Coaching programs learn how to optimize their diets for diverse weight-loss, workout performance, and health goals in sustainable, long-term ways.

And fitness and health professionals in our Level 1 and Level 2 Certification programs learn how to help their clients do the same.

Coming .

If you’re a health and fitness pro and would like to learn more about becoming an elite, world-class nutrition and lifestyle coach, check out our Precision Nutrition Level 1 Certification program; it kicks off soon.

Important: Since we only take a limited number of students each time we offer the program, and it sells out every time, the best strategy is to add your name to our free presale list.

Getting on the list gives you the chance to sign up for the certification 24 hours before everyone else. Even better, you save big on the cost of the program.

[Of course, if you’re already a student or graduate of the Level 1 Certification, check out our Level 2 Certification, an exclusive Master Class for elite trainers looking to perfect their nutrition knowledge and coaching techniques].

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