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Fueling your body correctly is crucial for sustained performance during endurance activities. The right sports nutrition supplements can help replenish energy stores, support hydration, and delay fatigue. Choosing wisely ensures you get the most benefit without unnecessary ingredients.
GU Energy Roctane Ultra Electrolyte Capsules provide electrolytes: sodium, magnesium, and chloride to aid in hydration by maintaining water balance and plasma volume*
Take before, during, or after exercise to replenish electrolyte losses from any energy-demanding activity resulting in heavy sweat loss
Includes Vitamin D, which is important for calcium absorption and bone health*
Includes vitamin D to help offset deficiencies and improve performance for running, biking, hiking or skiing
With Ginger Root to soothe occasional gastrointestinal distress*
Ignite Your Training Sessions: SIXSTAR Pre-Workout Explosion 2.0 fires up your workouts with extreme energy, focus, and intensity.* Fruit Punch flavor. 30 scoops per tub.
All-Star Lineup: Train longer with 3.2G Beta-Alanine, enjoy intense pumps with 3G L-Citrulline, boost energy with 320MG Caffeine Anhydrous, speed up recovery with 1812MG Electrolyte Matrix & enhance muscle endurance with 2.5G Betaine in a 2-scoop serving.
Unbeatable Flavor: We overhauled the entire taste experience for the 2.0 formula to ensure it not only hits harder but tastes better too.
Tastes Like Victory: SIXSTAR is for athletes who make it happen. For more than a decade, we’ve offered clinically dosed sports performance products custom formulated for athletes that go longer, work harder, and give more than anyone else.
How to Take: Mix 1 serving (1 scoop) with 6oz of water and consume 30 minutes before workouts. Take up to 2 scoops daily 30 minutes before workouts.
C4 PRE WORKOUT POWDER FOR MEN & WOMEN - America's Number 1 Selling Pre-Workout Brand has been trusted since 2011 with over 2 billion servings sold* Optimized for exercise to beat your personal best and crush your goals
BUILD MUSCLE & STRENGTH - Formulated with a nitrogen-containing compound designed to build lean muscle mass, maximize performance, and increase strength in all athletes - from pro to everyday
INCREASE REP COUNT - Formulated with CarnoSyn Beta-Alanine, a premium clinically studied beta-alanine, which has been studied to support muscular endurance and fight fatigue and may cause a harmless tingling sensation
TESTED & TRUSTED BY THIRD PARTIES - Proudly NSF Certified for Sport, an independent certification program recognized by the United States Anti-Doping Agency (USADA), Major League Baseball, the National Hockey League and the Canadian Football League
DELICIOUS FLAVORS UNLIKE ANYTHING ON THE MARKET - Blue Raspberry, Fruit Punch, and Watermelon. Take one serving (1 scoop) of C4 Sport, mixed with 6-8 fl. oz. of water 20 - 30 minutes before training
CLEAN PRE-WORKOUT ENERGY + MENTAL FOCUS: Formulated with 150mg Caffeine Anhydrous and nootropics like Alpha GPC and N-Acetyl-L-Tyrosine for smooth, crash-free energy and laser-sharp focus during training.
ADVANCED ELECTROLYTE HYDRATION SUPPORT: Includes 350mg Sodium from Pink Himalayan Salt + Albion minerals for optimal hydration, endurance, and reduced muscle cramps—perfect for long workouts or hot climates.
ENDURANCE FUEL WITH 20G CLUSTER DEXTRIN CARBS: Powered by Highly Branched Cyclic Dextrin (Cluster Dextrin) for fast gastric emptying and sustained energy—no bloating, sugar spikes, or crashes.
NOOTROPIC PRE-WORKOUT FORMULA: Brain-boosting ingredients support mind-to-muscle connection, improve reaction time, and delay mental fatigue—ideal for runners, cyclists, and hybrid athletes.
DELICIOUS LEMON LIME | 25 SERVINGS: Light, refreshing flavor with zero artificial dyes or fillers. 25 servings per container makes it a cost-effective, high-performance fuel for daily training sessions.
NSF-CERTIFIED FOR SPORT – Trusted by elite athletes, every batch is tested to be free of banned substances, so you can train and compete with total confidence.
BARE PERFORMANCE NUTRITION: We are a team of driven leaders who are passionate about helping others reach their highest levels of fitness with training, nutrition, and supplementation. We live and train behind the motto, "GO ONE MORE"
ENERGY SUPPORT + HYDRATION: 100 mg of caffeine from natural sources (green tea & coffee bean) per serving plus 440 mg blend of electrolytes to help replace what’s lost through sweat
SUPPORT FOR MUSCLE RECOVERY: 5g of amino acids per serving, this amino blend includes micronized taurine, micronized L-glutamine, micronized L-arginine, and beta-alanine
ON THE GO CONVENIENVE: Grab and go stick packs to use pre-workout, Post-workout, or anywhere you need it, now in 3 fruit-flavors
ZERO SUGAR: 0g of sugar with no aspartame for only 5 calories per serving
BANNED SUBSTANCE TESTED: Optimum Nutrition is the World's #1 Sports Nutrition Brand. Focusing on quality control measures so you feel comfortable and safe consuming the product
A DIFFERENT KIND OF PRE-WORKOUT. Not a stimulant and not an electrolyte drink. SportLegs prepares working muscles before hard efforts by supporting efficient lactate use, so movement feels smoother and more sustainable from the start.
SUPPORTS THE BODY’S NATURAL LACTATE FUEL SYSTEM. At the beginning of exercise, muscles typically produce lactate earlier than they can efficiently use and recycle it. SportLegs helps muscles use that fuel sooner, supporting a more balanced early effort...
HOW WORKOUTS FEEL DIFFERENT. Users commonly report steadier pacing, less burn, and a smoother rhythm during runs, rides and long training sessions - a fluid, in-shape feeling during sustained efforts. Individual experiences vary.
TRUSTED IN COMPETITIVE SPORT. Used for decades by runners, cyclists and endurance athletes - including professional hockey players - from daily training to elite competition.
SIMPLE PRE-ACTIVITY ROUTINE. No “loading” period. Designed for use on Day 1. Take 1 capsule per 50 lbs body weight 30 minutes before activity. Vegan formula with lactate, calcium, magnesium and Vitamin D. Made in the USA with premium global...
Dual-Source Energy Gel: SiS BETA Fuel Gel is formulated with an optimal 1:0.8 ratio of maltodextrin and fructose to deliver a high-efficiency energy source during your workout, all in a 2 fl oz gel
Fast-Absorbing: This fast-absorbing formula is designed for sustained energy to support elite endurance sessions and race-day performance
Isotonic Gel: This ready-to-use isotonic gel is easy on stomachs and supports gastrointestinal comfort without added water
On-the-Go Fueling: Take one of these easy-to-open, compact, portable, and travel-friendly endurance gel multipacks for mental and physical support when you need it most
Leaders in Performance: We deliver Informed Sport Certified tailored nutrition strategies formulated by science, pioneering performance nutrition through decades of innovation
EXTRA STRENGTH ENERGY & PERFORMANCE SUPPORT: Formulated to help support daily energy levels and overall physical performance as part of an active lifestyle. Designed for adults with demanding routines who want balanced nutritional support to complement...
ENDURANCE & STAMINA SUPPORT FORMULA: Designed to support stamina and endurance during workouts, training sessions, sports activities, and physically demanding days. Intended to complement consistent fitness routines and help active individuals maintain...
VITALITY-FOCUSED SPORTS NUTRITION: Supports overall vitality and sustained physical output when used alongside a balanced diet, proper hydration, and healthy lifestyle habits. Suitable for adults seeking dependable support for daily activity and active...
FAST & CONVENIENT CAPSULE FORMAT: Easy-to-take capsules require no mixing, measuring, or preparation. Suitable for use at home, at the gym, at work, or while traveling, making it simple to maintain consistent daily supplementation in busy schedules.
10 CAPSULE VALUE PACK: Includes a compact 10-capsule box ideal for short-term supplementation, trial use, or on-the-go convenience. Allows users to experience the formula without committing to a long-term supply.
Last update on 2026-07-10 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Sports Nutrition Endurance & Energy Supplements
Key Factors to Consider
Ingredient Profile: Look for supplements with ingredients scientifically shown to support endurance. Common beneficial components include carbohydrates (like maltodextrin or dextrose) for quick energy, electrolytes (sodium, potassium, magnesium) for hydration and muscle function, and sometimes caffeine for a mental and physical boost. Avoid products with excessive fillers or artificial sweeteners if you have sensitivities.
Form and Timing: Supplements come in various forms, such as powders, gels, chews, and drinks. Consider what is most convenient and effective for your specific sport and training regimen. Powders are versatile for mixing into drinks, while gels and chews offer concentrated energy on the go. Think about when you'll need the energy – before, during, or after your activity – as this will influence the best product type.
Dietary Needs and Sensitivities: Ensure the supplement aligns with your personal dietary requirements. Many options are available for those avoiding gluten, dairy, or artificial colors. Some athletes prefer vegan or plant-based formulations. Always check the label for allergens and certifications if you have specific dietary restrictions or health concerns.
Frequently Asked Questions
What are the primary benefits of endurance supplements?
Endurance supplements primarily aim to provide sustained energy during prolonged physical activity. They help replenish glycogen stores, maintain hydration through electrolytes, and can delay the onset of fatigue, allowing for improved performance over longer durations.
How do electrolytes contribute to endurance?
Electrolytes like sodium, potassium, and magnesium are lost through sweat during intense exercise. Replenishing them is vital for maintaining fluid balance, nerve function, and muscle contractions. Proper electrolyte balance can prevent cramping and support overall endurance performance.
Can I use energy supplements daily?
Daily use of high-energy supplements is generally not recommended unless advised by a healthcare professional or sports nutritionist. They are typically designed for use around strenuous workouts or competitions to provide immediate fuel and aid recovery.
What's the difference between pre-workout and endurance supplements?
Pre-workout supplements are formulated to boost energy and focus right before a training session, often containing stimulants and performance enhancers. Endurance supplements are designed for sustained energy release during prolonged activities, focusing on carbohydrates and electrolytes to maintain performance over time.
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