24 Best Pre-Workout Supplements 2025 According to Experts

WOWMD Nitric Shock Pre-Workout features a combination of beta-alanine, creatine, and caffeine, which work together to support energy production and muscular endurance.

Studies published in the Journal of Nutrients highlight beta-alanine’s ability to delay muscle fatigue and improve overall workout performance. Additionally, creatine enhances strength and recovery, while caffeine provides a clean energy boost, making WOWMD Nitric Shock Pre-Workout one of the best pre-workout supplements for stamina and endurance.

WOWMD Nitric Shock Pre-Workout is designed to optimize your performance by improving energy, focus, and hydration. Its zero-sugar, gluten-free formula ensures safety while delivering effective results. Whether you’re looking for the best pre-workout supplements for men or a product tailored for women, WOWMD Nitric Shock Pre-Workout adapts to your fitness needs. It’s an excellent choice for anyone seeking a powerful, reliable pre-workout to enhance their fitness routine.

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Alpha BRAIN® Pre-Workout by Onnit is designed to enhance both mental and physical performance during exercise. With a balanced mix of caffeine, amino acids, and other natural compounds, this pre-workout supplement aims to support focus and energy, ensuring each workout is productive and effective. Available in delicious flavors like Yuzu Peach and Tiger’s Blood, it caters to athletes, gym enthusiasts, and anyone needing an extra boost for early morning training sessions. A key ingredient in Alpha BRAIN® Pre-Workout is caffeine, which is well-known for its ability to improve physical performance and focus.

A study published in the Journal of Applied Physiology found that caffeine can enhance exercise performance by increasing endurance and reducing perceived effort. This makes caffeine a reliable and effective component for pre-workout supplements.

Alpha BRAIN® Pre-Workout is used to promote muscle endurance, aid energy production, and support mental sharpness. The combination of its ingredients helps reduce the perception of effort, making workouts feel less strenuous. It’s a safe option for most people, but those with medical conditions or who are sensitive to caffeine should consult a doctor before use. This product is ideal for athletes, recreational gym-goers, early morning trainers, and anyone looking to improve their focus during exercise.

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One of the standout ingredients in Transparent Labs Stim-Free Pre-Workout is L-Citrulline Malate.

Research has shown that L-Citrulline Malate enhances exercise performance and reduces muscle soreness. A study published in the Journal of Strength and Conditioning Research confirms that L-Citrulline Malate supplementation improves endurance and strength.

Transparent Labs Stim-Free Pre-Workout is designed to enhance strength, stamina, and muscle pumps without the use of stimulants. It works by boosting nitric oxide levels and providing clean energy through its nootropic ingredients. The formula is safe, with no artificial sweeteners or dyes, and it’s gluten-free and non-GMO. It’s ideal for individuals who want to avoid caffeine or exercise later in the day. Benefits include improved workout performance, increased focus, and sustained energy without crashes. This product is suitable for both beginners and experienced supplement users.

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One of the key ingredients in Blackwolf Workout is L-Citrulline.

Studies have shown that L-Citrulline can significantly improve exercise performance and reduce fatigue. A study published in the Journal of Strength and Conditioning Research demonstrated that L-Citrulline supplementation improved endurance and reduced muscle soreness.

Blackwolf Workout is designed to enhance your workout with increased energy, focus, and endurance. The combination of L-Citrulline, Dynamine, Creatine, and caffeine provides sustained energy and improved mental clarity without the crash associated with other supplements. It’s safe for most people when used as directed and is especially beneficial for those who train intensely or at odd hours. Whether you’re an elite athlete or a fitness enthusiast, Blackwolf helps you push through even the toughest sessions.
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One of the key ingredients in XWERKS Ignite is Rhodiola rosea.

A study published in the Frontiers in Nutrition demonstrated that Rhodiola can significantly reduce muscle recovery time and improve explosive output. The study, available at the U.S. National Library of Medicine, highlights Rhodiola’s ability to enhance physical and mental performance, making it an essential component of this pre-workout blend.

XWERKS Ignite is designed to be a safe and effective pre-workout supplement. It combines ingredients that increase muscle growth and repair, improve focus, and expand muscular endurance and work capacity. Ideal for athletes and fitness enthusiasts, Ignite helps reduce muscular fatigue, elevate work capacity, and amplify gym performance. With no harmful chemicals or stimulants, it offers a clean energy boost, making it suitable for anyone looking to enhance their workout experience.
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One of the standout ingredients in INTENSIVE Pre-Train is KSM-66® Ashwagandha, a powerful adaptogen known for its stress-reducing and performance-enhancing benefits.

A study published in the Journal of the F1000Research found that KSM-66® Ashwagandha significantly improved muscle strength and endurance while reducing stress levels in athletes. Read the study here.

INTENSIVE Pre-Train is ideal for anyone looking to enhance their workout performance, whether you’re a seasoned athlete or just starting out. It works by boosting your energy levels and focus, thanks to its combination of ingredients like caffeine, L-Tyrosine, and Citrulline Malate. The formula is designed to be gentle on your stomach and free from the common jitters and crashes. With its natural ingredients and positive reviews, it’s a safe choice for those looking to push their limits and achieve better results in the gym.
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One of the key ingredients in BULK Pre-Workout is L-Citrulline Malate, a compound known for its role in enhancing exercise performance.

A study published in the Journal of Strength and Conditioning Research found that L-Citrulline Malate significantly improves muscle endurance and reduces fatigue during intense exercise.

Uses, Safety, and Benefits: BULK Pre-Workout is designed to boost muscle strength, endurance, and blood flow, helping users achieve better workouts and faster muscle growth. The formula includes proven ingredients like Beta-Alanine and Betaine Anhydrous, which are well-researched for their effectiveness and safety. It’s suitable for both beginners and experienced gym-goers looking to enhance their performance. The absence of artificial ingredients makes it a safer choice for those cautious about what they consume.

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One of the key ingredients in Transparent Labs Pump is L-citrulline.

A study published in the Journal of Functional Morphology and Kinesiology demonstrates that L-citrulline can significantly increase blood flow and exercise performance. The study highlights that L-citrulline supplementation enhances endurance and reduces fatigue during high-intensity exercise.

Transparent Labs Pump is designed to be taken before workouts to enhance blood flow, improve muscle hydration, and support overall exercise performance. By increasing nitric oxide levels, it helps deliver more oxygen and nutrients to working muscles. The supplement is safe, free from artificial ingredients, and suitable for those avoiding stimulants. It benefits athletes and fitness enthusiasts who want to maximize their workout efficiency and muscle pump. It’s particularly useful for individuals looking for a clean, effective pre-workout boost.

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One of the key ingredients in Transparent Labs LEAN Pre-Workout is L-Citrulline Malate. This compound has been shown to improve exercise performance by increasing nitric oxide levels, which enhances blood flow and muscle pumps.

LEAN Pre-Workout is designed to enhance athletic performance and support fat loss. It works by boosting nitric oxide levels for better blood flow, increasing energy with natural caffeine, and improving endurance through ingredients like Beta-Alanine and Acetyl-L-Carnitine. It is safe for most users, thanks to its third-party testing for purity and potency. Benefits include improved strength, stamina, and muscle pumps. Ideal for both beginners and experienced pre-workout users, this supplement helps you push through your workouts with greater intensity.

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A key ingredient in Shroom Tech® Sport is Cordyceps Sinensis, a mushroom known for its ability to enhance endurance and resistance to fatigue. A study published in the Journal of Alternative and Complementary Medicine found that Cordyceps Sinensis improved oxygen uptake and aerobic capacity by up to 50% in healthy older adults. This natural ingredient supports increased energy production at the cellular level, helping athletes perform at their best without relying on stimulants.

Shroom Tech® Sport is used to enhance aerobic performance, support exercise volume, and assist with cellular energy production. It works by utilizing ingredients like Cordyceps Sinensis, Rhodiola, Ashwagandha, and Chromium Picolinate to boost energy and endurance naturally. It’s a safe, non-habit-forming pre-workout supplement certified drug-free by the Banned Substances Control Group. Shroom Tech® Sport benefits include improved focus, reaction time, and cardiovascular endurance, making it ideal for athletes, gym goers, and anyone leading an active lifestyle.
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One of the standout ingredients in Torroband Nitric Shock is magnesium. Magnesium is crucial for muscle function and overall exercise performance.

A reliable study published in the Journal of the International Society of Sports Nutrition highlights that magnesium supplementation can improve muscle strength and endurance in physically active individuals.

Torroband Nitric Shock Fruit Punch is designed to increase your energy levels, enhance your exercise performance, and stimulate muscle growth. It works by combining ingredients like caffeine, beta-alanine, and magnesium, which support energy production, reduce fatigue, and improve overall muscle function. This supplement is generally considered safe for healthy adults, but it’s always wise to consult with a healthcare provider before starting any new supplement regimen. Benefits include sustained energy, improved muscle tone, and enhanced workout performance. Ideal for men over 40 looking to boost their fitness routine and maintain muscle mass.
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One of the standout ingredients in Bucked Up® Pre-Workout is Citrulline Malate 2:1. This compound has been extensively studied for its effectiveness in improving exercise performance.

According to a study published in the Journal of Sport and Health Science, Citrulline Malate significantly enhances blood flow, reduces fatigue, and improves overall workout performance.

Bucked Up Pre-Workout is formulated to amplify your energy, endurance, and focus during workouts. Its ingredients, including Citrulline Malate and Beta-Alanine, work synergistically to boost nitric oxide levels, enhance muscle endurance, and reduce fatigue. The formula is designed to be safe for most users, as it avoids excessive stimulants and adheres to GMP standards. With no sugar, zero calories, and being keto/paleo friendly, it caters to a wide range of dietary preferences. Whether you’re a beginner or a professional athlete, Bucked Up® offers a balanced boost to help you achieve your fitness goals.
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One of the key ingredients in Legion Pulse is L-citrulline malate.

A study published in the Cleveland Clinic found that this compound significantly increases the number of repetitions performed in the gym and decreases muscle soreness after exercise. This makes L-citrulline malate an essential component for anyone looking to enhance their workout performance and recovery.

Legion Pulse is designed to boost your energy and focus while enhancing your strength and endurance. By mixing a serving with water, you’ll experience a surge in energy and concentration without the common side effects like jitters or an upset stomach. Its benefits include better pumps, more strength, and increased endurance. Safe for both men and women, this pre-workout supplement is ideal for those looking to maximize their workout results naturally.
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The main ingredient in Naked Energy is caffeine derived from unroasted coffee beans. Caffeine is well-known for its ability to enhance athletic performance by increasing endurance and reducing fatigue.

According to a study published in the Journal of Applied Physiology, caffeine can significantly improve physical performance and cognitive function in athletes.

Naked Energy is used as a pre-workout supplement to provide clean, healthy energy for workouts. It works by combining amino acids, vitamins, and caffeine to enhance athletic performance, increase endurance, and reduce fatigue. This supplement is safe for most people, as it contains no artificial additives or sweeteners and is independently third-party tested for purity and safety. Its benefits include improved workout performance, increased energy levels, and enhanced muscle building when paired with post-workout shakes. Naked Energy is ideal for athletes, fitness enthusiasts, and anyone looking to improve their gym performance naturally.

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One of the key ingredients in Nutricost Pre-X Xtreme is L-Citrulline.

A study published in the Nutrients highlights L-Citrulline’s effectiveness in improving exercise performance and reducing muscle soreness. The research indicates that L-Citrulline supplementation can enhance endurance and strength, making it a valuable addition to any pre-workout regimen.

Nutricost Pre-X Xtreme is designed to improve workout performance by increasing energy, focus, and stamina. Its formulation includes ingredients like Beta-Alanine and Caffeine Anhydrous, which work synergistically to enhance exercise output and delay fatigue. The product is safe for most users, given its adherence to non-GMO and gluten-free standards and its absence of proprietary blends, ensuring transparency in ingredient amounts. Ideal for athletes and fitness enthusiasts looking to maximize their training, it offers benefits such as improved pump, reduced muscle soreness, and heightened mental clarity.
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One of the standout ingredients in Nitrosurge is L-Citrulline, known for its powerful effects on nitric oxide production.

A study published in the Journal of Strength and Conditioning Research highlighted that L-Citrulline supplementation significantly improves muscle endurance and reduces fatigue during high-intensity exercise. This scientific backing underscores the effectiveness of Nitrosurge’s formula in enhancing workout performance.

Nitrosurge is formulated to provide a potent pre-workout boost by increasing nitric oxide levels, which enhances blood flow, energy, and strength. The supplement is designed for both men and women looking to elevate their training sessions without the inclusion of creatine. It is safe for most users when taken as directed and offers benefits such as heightened focus, sustained endurance, and robust muscle pumps. Ideal for athletes and gym-goers, Nitrosurge’s clean and effective ingredients make it a reliable choice for optimizing performance.

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One of the key ingredients in Optimum Nutrition Gold Standard Pre-Workout is creatine monohydrate. A well-researched compound, creatine has been shown to improve exercise performance and muscle mass.

A study published in the Nutrients found that creatine supplementation significantly enhances strength, muscle mass, and exercise performance (source). This makes it a vital component of the supplement, contributing to its effectiveness.

Optimum Nutrition Gold Standard Pre-Workout is designed to help you maximize your workouts by boosting energy, focus, and endurance. It works through a combination of caffeine, which increases alertness, and creatine monohydrate, which supports strength and muscle growth. Beta-alanine helps buffer lactic acid, reducing muscle fatigue. The supplement is generally safe for healthy individuals when used as directed. It benefits those looking to improve athletic performance, whether for competitive sports or regular workouts. It’s ideal for anyone seeking a reliable pre-workout boost.

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One of the main ingredients in Pre JYM is Citrulline Malate. A reliable study published in the Journal of Strength and Conditioning Research showed that Citrulline Malate supplementation could improve athletic performance and reduce muscle soreness. The study found that participants who took Citrulline Malate experienced significantly reduced muscle fatigue and increased production of ATP, leading to better workout performance.

Pre JYM is designed to enhance your workout by providing energy, strength, and endurance. It works by combining ingredients like BCAAs, Creatine HCl, Beta-Alanine, and Betaine, which support muscle growth, endurance, and strength. Caffeine and Huperzine A enhance mental focus without causing jitters or crashes. The supplement is safe for most users when taken as directed, offering benefits such as improved workout performance, increased muscle pumps, and enhanced mental focus. It’s ideal for anyone looking to boost their workout results, whether for cardio, bulking, or cutting.
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One of the key ingredients in Kaged Pre-Kaged is beet root extract, which contains 300 mg of standardized nitrates.

A study published in the Journal of the Academy of Nutrition and Dietetics found that dietary nitrates from beetroot juice improved muscle performance and endurance in athletes.

Kaged Pre-Kaged is used to boost energy and endurance, trigger incredible pumps, and heighten mental focus during workouts. The formula includes beet root extract, vitamin C, and 75 mg of organic caffeine, providing a clean energy boost without the jitters. Its benefits include improved focus, alertness, and endurance. The product is third-party tested and banned substance-free, making it safe for athletes and suitable for vegan and vegetarian diets. It is ideal for those engaged in intense, repetitive training.
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The key ingredient in Klean Pre-Workout is beet root extract, known for its potential to boost athletic performance. A study published in the Journal of Applied Physiology found that beet root juice significantly improved exercise endurance and performance by increasing nitric oxide levels in the body. This effect is attributed to the nitrates in beet root, which help improve blood flow and reduce the oxygen cost of exercise.

Klean Pre-Workout is formulated to enhance focus, alertness, and endurance during workouts. The caffeine content, lower than an average cup of coffee, helps prevent mid-workout fatigue, commonly known as the “bonk.” It’s a safe option for most athletes, being GMO-free and free from wheat, gluten, and artificial additives. Benefits include improved workout performance and sustained energy. Ideal for those engaged in high-intensity training or looking to boost their exercise routine, it’s suitable for anyone seeking a clean and effective pre-workout supplement.
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The key ingredient, CarnoSyn® Beta-Alanine, is a premium, clinically studied beta-alanine known for supporting muscular endurance and reducing fatigue. A study published in the Journal of the International Society of Sports Nutrition found that CarnoSyn® Beta-Alanine significantly improved exercise performance and endurance. For more details, visit PubMed Study.

C4 Original Pre-Workout Powder is designed to increase rep count and support strength and performance through its powerful blend. By taking one serving mixed with 6 fl. oz of water 20-30 minutes before training, you’ll benefit from enhanced endurance, reduced fatigue, and a boost in energy. The formula is safe for most users, though some may experience a harmless tingling sensation due to beta-alanine. It’s ideal for both men and women looking to maximize their workout performance and achieve their fitness goals.
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One of the key ingredients in Dyna Storm Pre Workout is L-arginine, known for its role in boosting nitric oxide levels in the body. Nitric oxide helps improve blood flow and enhance exercise performance.

A study published in the Journal of the International Society of Sports Nutrition found that L-arginine supplementation can significantly improve exercise endurance and muscle recovery.

Dyna Storm Pre Workout is designed to be taken before exercise to maximize energy and endurance. It works by increasing nitric oxide production, enhancing blood flow, and supporting muscle repair. The formula is crafted to be safe, free from steroids and harmful chemicals. Its benefits include improved stamina, faster muscle growth, and reduced fatigue. Ideal for anyone serious about their fitness journey, it’s perfect for those looking to push their limits and see tangible results.
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A key ingredient in Pumped AF is L-Citrulline, which has been extensively studied for its benefits in exercise performance.

According to a study published in the Journal of Strength and Conditioning Research, L-Citrulline supplementation improves exercise performance and reduces muscle soreness (source: PubMed). This amino acid helps boost nitric oxide levels, enhancing blood flow and nutrient delivery to muscles during workouts.

Pumped AF is designed to boost endurance, improve muscle hydration, and deliver extreme muscle fullness without relying on stimulants. The formula includes ingredients like Glycersize and Creatine Monohydrate, known for their effectiveness in enhancing workout performance and muscle recovery. Safe for both men and women, this pre-workout is suitable for those looking to elevate their training without unwanted stimulant effects. Users can expect increased endurance, improved muscle hydration, and noticeable pumps.
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MitoBurn is a key ingredient in GHOST Burn known for its fat-burning potential.

According to a study published in the journal Obesity Research & Clinical Practice, MitoBurn (L-BHB) has been shown to enhance fat oxidation and support weight management when combined with exercise. This study highlights MitoBurn’s role in promoting efficient fat utilization and improving overall metabolic function.

GHOST Burn is designed to increase your workout intensity and help with fat burning. It works by combining ingredients like natural caffeine and L-Tyrosine to enhance energy and focus. The formula is vegan-friendly, gluten-free, soy-free, and sugar-free, making it suitable for various dietary needs. Its transparent label ensures you know exactly what you’re getting. The benefits include increased energy, improved fat burning, and enhanced workout performance. Ideal for anyone looking to amplify their fitness routine or support weight management, GHOST Burn is a safe and effective choice.
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