
Athletes and fitness enthusiasts are always looking for ways to improve their performance and achieve their goals.
Good nutrition can help your body perform better and recover faster after each workout.
Optimal nutrient intake prior to exercise will not only help you maximize your performance but also minimize muscle damage (1Trusted Source).
Here is everything you need to know about pre-workout nutrition.
Knowing What to Eat Is Important
Fueling your body with the right nutrients prior to exercise will give you the energy and strength you need to perform better.
Each macronutrient has a specific role before a workout. However, the ratio in which you need to consume them varies by the individual and type of exercise (2Trusted Source).
Below is a brief look at the role of each macronutrient.
Carbs
Your muscles use the glucose from carbs for fuel.
Glycogen is the way the body processes and stores glucose, mainly in the liver and muscles.
For short- and high-intensity exercise, your glycogen stores are your muscles' main source of energy (3Trusted Source).
But for longer exercises, the degree to which carbs are used depends on several factors. These include the intensity, type of training and your overall diet (3Trusted Source).
Your muscles' glycogen stores are limited. As these stores become depleted, your output and intensity diminish (4Trusted Source, 5Trusted Source, 6).
Studies have consistently shown that carbs can increase glycogen stores and utilization while boosting carb oxidation during exercise (6, 7Trusted Source, 8Trusted Source).
Carb loading, which involves consuming a high-carb diet for 1–7 days, is a well-known method to maximize glycogen stores (7Trusted Source, 8Trusted Source).
Protein
Many studies have documented the potential of pre-workout protein consumption to improve athletic performance.
Eating protein (alone or with carbs) prior to exercise has been shown to increase muscle protein synthesis (9Trusted Source, 10Trusted Source, 11Trusted Source).
One study showed a positive anabolic response after participants consumed 20 grams of whey protein before exercise (9Trusted Source).
Other benefits of eating protein before exercise include:
A better anabolic response, or muscle growth (11Trusted Source, 12Trusted Source)
Improved muscle recovery (12Trusted Source)
Increased strength and lean body mass (13Trusted Source)
Increased muscle performance (11Trusted Source, 12Trusted Source, 13Trusted Source)
Knowing What to Eat Is Important
Fueling your body with the right nutrients prior to exercise will give you the energy and strength you need to perform better.
Each macronutrient has a specific role before a workout. However, the ratio in which you need to consume them varies by the individual and type of exercise (2Trusted Source).
Below is a brief look at the role of each macronutrient.
Carbs
Your muscles use the glucose from carbs for fuel.
Glycogen is the way the body processes and stores glucose, mainly in the liver and muscles.
For short- and high-intensity exercise, your glycogen stores are your muscles' main source of energy (3Trusted Source).
But for longer exercises, the degree to which carbs are used depends on several factors. These include the intensity, type of training and your overall diet (3Trusted Source).
Your muscles' glycogen stores are limited. As these stores become depleted, your output and intensity diminish (4Trusted Source, 5Trusted Source, 6).
Studies have consistently shown that carbs can increase glycogen stores and utilization while boosting carb oxidation during exercise (6, 7Trusted Source, 8Trusted Source).
Carb loading, which involves consuming a high-carb diet for 1–7 days, is a well-known method to maximize glycogen stores (7Trusted Source, 8Trusted Source).
Protein
Many studies have documented the potential of pre-workout protein consumption to improve athletic performance.
Eating protein (alone or with carbs) prior to exercise has been shown to increase muscle protein synthesis (9Trusted Source, 10Trusted Source, 11Trusted Source).
One study showed a positive anabolic response after participants consumed 20 grams of whey protein before exercise (9Trusted Source).
Other benefits of eating protein before exercise include:
A better anabolic response, or muscle growth (11Trusted Source, 12Trusted Source)
Improved muscle recovery (12Trusted Source)
Increased strength and lean body mass (13Trusted Source)
Increased muscle performance (11Trusted Source, 12Trusted Source, 13Trusted Source)
The Timing of Your Pre-Workout Meal Is Key
The timing of your meal is also an important aspect of pre-exercise nutrition.
To maximize the results of your training, try to eat a complete meal containing carbs, protein and fat 2–3 hours before you exercise.
However, in some cases, you may not be able to get in a full meal 2–3 hours before working out.
In that case, then you can still eat a decent pre-workout meal. However, keep in mind that the sooner you eat before your workout, the smaller and simpler the meal should be.
If you eat 45–60 minutes prior to your workout, choose foods that are simple to digest and contain mainly carbs and some protein.
This will help prevent any stomach discomfort during exercise.
Some Examples of Pre-Workout Meals
Which foods and how much to eat depends on the type, duration and intensity of the workout.
A good rule of thumb is to eat a mixture of carbs and protein prior to exercise.
If you eat fat with your pre-workout meal, then it should be consumed at least a few hours before your workout (2Trusted Source).
Here are some examples of balanced pre-workout meals:
If Your Workout Starts Within 2–3 Hours or More
Sandwich on whole-grain bread, lean protein and a side salad
Egg omelet and whole-grain toast topped with avocado spread and a cup of fruit
Lean protein, brown rice and roasted vegetable
If Your Workout Starts Within 2 Hours
Protein smoothie made with milk, protein powder, banana and mixed berries
Whole-grain cereal and milk
A cup of oatmeal topped with banana and sliced almonds
Natural almond butter and fruit preserve sandwich on whole-grain bread
If Your Workout Starts Within an Hour or Less
Greek yogurt and fruit
Nutrition bar with protein and wholesome ingredients
A piece of fruit, such as a banana, orange or apple
Keep in mind that you don't need to eat many pre-workout meals at different times. Just choose one of these.
For best results, experiment with different timings and nutrient compositions.
Supplements Can Also Be Useful Before Exercise
Supplement use is common in sports. These products may enhance performance, improve strength, increase lean body mass and reduce fatigue.
Below are some of the best pre-workout supplements.
Creatine
Creatine is probably the most commonly used sports supplement.
It has been shown to increase muscle mass, muscle fiber size and muscle strength and power, all while delaying fatigue (17Trusted Source, 18Trusted Source).
Even though it's beneficial to take creatine before a workout, it seems to be even more effective when taken after a workout (18Trusted Source).
Taking 2–5 grams of creatine monohydrate per day is effective.
Caffeine
Among many other benefits, caffeine has been shown to improve performance, increase strength and power, help reduce feelings of fatigue and stimulate fat burning (17Trusted Source, 19Trusted Source).
Caffeine can be consumed in coffee, tea and energy drinks, but it can also be found in pre-workout supplements and pills.
It doesn't really matter how you consume it, as its effects on performance are usually the same.
Caffeine's peak effects are seen 90 minutes after consumption. However, it has been shown to be effective even when ingested 15–60 minutes prior to exercise (20Trusted Source).
Branched-Chain Amino Acids (BCAAs)
BCAAs refer to the essential amino acids valine, leucine and isoleucine.
Studies have shown that taking BCAAs before workouts helps decrease muscle damage and increase muscle protein synthesis (10Trusted Source, 21Trusted Source).
A dose of 5 grams or more, at least an hour prior to exercise, is effective (21Trusted Source).
Beta-Alanine
Beta-alanine is an amino acid that increases your muscle stores of carnosine. It has been shown to be most effective for short- and high-intensity exercises.
It does this by increasing exercise capacity and muscle endurance while reducing fatigue (22Trusted Source, 23Trusted Source, 24Trusted Source).
The recommended daily dose is 2–5 grams, of which at least 0.5 grams should be consumed prior to your workout (25Trusted Source).
Multi-Ingredient Pre-Workout Supplements
Some people prefer products that contain a blend of the supplements mentioned above.
The combination of these ingredients may have synergistic effects and improve performance significantly (26Trusted Source).
Caffeine, creatine, beta-alanine, branched-chain amino acids, arginine and B vitamins are among the most commonly used ingredients in these products (26Trusted Source, 27Trusted Source).
These pre-workout supplements have been shown to increase work output, strength, endurance, anaerobic power, reaction time, focus and alertness (26Trusted Source, 27Trusted Source).
The particular dose depends on the product, but it's generally recommended to take them about 30–45 minutes before exercise.
SUMMARY
Creatine, caffeine, BCAAs and beta-alanine are often recommended before a workout. Multi-ingredient pre-workout supplements combine many different ingredients for optimal benefits.
Hydration Is Also Crucial
Your body needs water to function.
Good hydration has been shown to sustain and even enhance performance, while dehydration has been linked to significant decreases in performance (28Trusted Source, 29Trusted Source, 30Trusted Source, 31Trusted Source).
It's recommended to consume both water and sodium before exercise. This will improve fluid balance (32Trusted Source, 33Trusted Source).
The American College of Sports Medicine (ACSM) recommends drinking 16–20 ounces (0.5–0.6 liters) of water at least four hours before exercise and 8–12 ounces (0.23–0.35 liters) of water 10–15 minutes before exercise (32Trusted Source).
Additionally, they recommend consuming a beverage that contains sodium to help retain fluids (32Trusted Source).
SUMMARY
Water is important for performance. It's recommended to drink water and sodium-containing beverages before exercise to promote fluid balance and prevent excessive fluid loss.
Putting It All Together
To maximize your performance and recovery, it's important to fuel your body with the right nutrients before a workout.
Carbs help maximize your body's ability to use glycogen to fuel short- and high-intensity exercises, while fat helps fuel your body for longer exercise sessions.
Eating protein helps improve muscle protein synthesis, prevent muscle damage and promote recovery.
Good hydration is also linked to enhanced performance.
Pre-workout meals can be eaten three hours to 30 minutes before a workout. However, choose foods that are easy to digest, especially if your workout starts in one hour or less. This will help you avoid stomach discomfort.
Additionally, many different supplements can aid performance and promote recovery.
At the end of the day, simple pre-workout nutrition practices can go a long way in helping you perform better and recover faster.
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