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What Should I Eat 30 Minutes Before A Workout?

What Should I Eat 30 Minutes Before A Workout?
Jamie Wright
Writer and expert11 months ago
View Jamie Wright's profile

Sometimes it’s possible to get so caught up in what to eat after working out you forget that what you eat before is just as — or arguably even more — important.

Pre-workout nutrition can have a big impact on how you perform. Here’s your guide to what to eat 30 minutes before working out.

What is a Pre-Workout Meal?

A pre-workout meal is what it sounds like: the food you eat before hitting the gym. The main purpose of this “meal” is to prepare your body for intense exercise by giving it the energy and nutrients it needs to perform at its best.

For best results, focus on carbohydrates and protein. Carbohydrates are the body’s main energy source, while protein is needed for building and repairing muscle. Get the balance right and you’ll maximise performance and recovery.

The smart approach to pre-workout meals is to be prepared. Plan ahead and cook your meals in advance to guarantee you get all the nutrients you need to make sure you perform at your best.

For more advice, check out our guide to meal prep.

Why Does Pre-Workout Nutrition Matter?

OK, now for some science. During exercise, the body burns through adenosine triphosphate (ATP) at a higher rate than usual. ATP is essentially the energy “currency” of cells — you literally can’t move a muscle without it.

Carbohydrates are the body’s primary source of ATP — the majority of energy produced by the body, especially during exercise, comes from stored or recently consumed carbohydrates.1

Other nutrients, like fats and amino acids, are sometimes used for energy under certain conditions.2

But carbohydrates are by far the best thing to consume if you want to fuel your body for a workout. This is because they reduce the body’s need to rely on energy from stored glycogen, increasing endurance.3

When Is the Best Time to Eat Before Working Out?

The "best" time to eat before working out depends on your schedule and preferences. If you’re an early riser, a small, carbohydrate-rich snack before exercise followed by a larger, better-rounded meal is the best way to go.

If you prefer to work out at midday, make sure your breakfast contains plenty of complex carbs and high-quality protein, then eat a smaller carb-rich snack up to an hour before exercise.

At both times, a cup of coffee or caffeine supplement can also provide a helpful boost, as caffeine can enhance exercise performance.4

Evening trainers should do similar, focusing on carbohydrates and protein, but may be advised to skip the caffeine so late in the day, as it may disrupt sleep.

What Should I Eat 30 Minutes Before a Workout?

Before working out, you want to eat something that’s quickly and easily digested, with plenty of nutrients and energy. Fortunately, nature has already come up with the perfect pre-workout snack – bananas.

Other excellent pre-exercise nutrition options include bagels, rice cakes, cereal, coconut water, other fruit like pineapple and watermelon, and sports supplements like protein bars, carb gels and isotonic drinks.

The Types of Workouts You Can Do 30 Minutes After Eating

Generally, you should wait 30 minutes before engaging in physical activity after eating, but there are some low-impact exercises you can do in this time. Walking and stretching, for instance, can help with digestion and blood flow while getting you prepared for your workout. After half an hour, you’re free to move on to more intense activity like cardio or strength training.

Take Home Message

A well-planned pre-workout meal can elevate your fitness journey to new heights. By putting the right nutrients into your body at the right time, you can be fully energised and ready to perform at your best.

So, the next time you hit the gym, make sure to have a delicious, nutritious pre-workout meal beforehand. You’ll be amazed at the difference it can make.



Our articles should be used for informational and educational purposes only and are not intended to be taken as medical advice. If you're concerned, consult a health professional before taking dietary supplements or introducing any major changes to your diet.

  1. Mul JD, Stanford KI, Hirshman MF, Goodyear LJ. Exercise and Regulation of Carbohydrate Metabolism. Prog Mol Biol Transl Sci. 2015;135:17-37. doi: 10.1016/bs.pmbts.2015.07.020. Epub 2015 Aug 20. PMID: 26477909; PMCID: PMC4727532.
  2. Noakes TD, Prins PJ, Volek JS, D’Agostino DP, Koutnik AP. Low carbohydrate high fat ketogenic diets on the exercise crossover point and glucose homeostasis. Front Physiol. 2023 Mar 28;14:1150265. doi: 10.3389/fphys.2023.1150265. PMID: 37057184; PMCID: PMC10086139.
  3. Kerksick CM, Arent S, Schoenfeld BJ, Stout JR, Campbell B, Wilborn CD, Taylor L, Kalman D, Smith-Ryan AE, Kreider RB, Willoughby D, Arciero PJ, VanDusseldorp TA, Ormsbee MJ, Wildman R, Greenwood M, Ziegenfuss TN, Aragon AA, Antonio J. International society of sports nutrition position stand: nutrient timing. J Int Soc Sports Nutr. 2017 Aug 29;14:33. doi: 10.1186/s12970-017-0189-4. PMID: 28919842; PMCID: PMC5596471.
  4. Guest NS, VanDusseldorp TA, Nelson MT, Grgic J, Schoenfeld BJ, Jenkins NDM, Arent SM, Antonio J, Stout JR, Trexler ET, Smith-Ryan AE, Goldstein ER, Kalman DS, Campbell BI. International society of sports nutrition position stand: caffeine and exercise performance. J Int Soc Sports Nutr. 2021 Jan 2;18(1):1. doi: 10.1186/s12970-020-00383-4. PMID: 33388079; PMCID: PMC7777221.
Jamie Wright
Writer and expert
View Jamie Wright's profile
Jamie Wright has a bachelor's of science in Sports and exercise science and a Master's degree in Human Nutrition (specialising in obesity and weight management). Jamie specialises in nutrition centred around body composition change, sports nutrition and helping people improve their relationship with food. His company Balance are one of Ireland's leading nutritionist and dietetics services and he has worked with hundreds if not thousands of clients to help them solve all manner of nutrition related problems and achieve a vast range of diet related goals. They have recently launched the life changing course Be Binge Free, the first of its kind, and are continuing ongoing works on a range of projects. Jamie has worked with a range of industry leaders and featured as a nutritionist expert for Myprotein for over five years and with other brands like Insider, Adidas, Women's Health and more. Jamie's experience ranges from working in research trials to advising on product formulations, working with clients one to one, in group settings and presenting to public and private companies. He continues his professional development to this day and is currently undergoing his personal training qualifications. Having recently become a Dad, his spare time is filled spending time with his family, training, running, socialising and spending time cooking.

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