Best Sports Nutrition Endurance & Energy Supplements of 2025

"I've found these caffeine pills to be a lifesaver for a quick and reliable energy boost. Each capsule gives me 200mg of caffeine, which is perfect for powering through tough mornings and long workouts. What I love is their simplicity—pure caffeine without any fillers or unnecessary sugars, so I don’t experience any crashes or jitters. Plus, with 250 capsules per bottle, the value is unbeatable!"

"I really appreciate that these capsules work without making me feel nauseous or jittery. My plan is to keep using them as long as they continue to perform well. Great value for me, especially with 500 capsules in a bottle!"

"In the past, I relied heavily on coffee, but it often left me feeling jittery and resulted in crashes. These pills provide a clean and consistent energy boost without those pesky side effects. I take one each morning, and they help me stay focused and productive throughout the day."

"I think the new C4 Sport is fantastic! I love the extra caffeine they added, and the flavors are great!"

"After trying many pre-workouts, I finally chose Cellucor C4 Sport. The Hawaiian Punch flavor is perfect, and the formula gives me the energy and focus I need throughout my workouts. It's definitely my go-to!"

"I bought this for my kids, both college athletes, but they said it tastes awful. I'm not sure if it was a bad batch or if this is how it normally tastes."

"I find the Force Factor Total Beets Soft Chews to be a fantastic addition to my daily routine, providing a natural and effective way to enhance energy and stamina. They taste great, unlike many supplements, and I enjoy the soft texture, making it easy to take them daily. Since I started using these, I've noticed improved energy levels and better recovery after exercise. I highly recommend them for anyone looking to boost their health."

"I've combined the Alpha Grind Nootropic Testosterone Coffee with the Total Beets for an incredible health boost. The coffee has completely transformed my mornings, improving my focus and energy levels significantly. Adding Total Beets has taken my workouts to another level, enhancing blood flow and stamina. I'm feeling more vibrant and healthy overall, and the ease of incorporating these into my routine makes them a game-changer."

"While I've only been taking these chews for a couple of days, I must say they taste amazing—like a Starburst with health benefits! I'm eager to see how they impact my blood pressure at my next doctor's visit. So far, I’m optimistic about the additional benefits they promise!"

"I've been using Genius Caffeine Pills 100mg, and they've truly changed the game for me! These pills offer a smooth and sustained energy boost without the jitters or crashes I usually experience with other caffeine products. Each pill has 100mg of caffeine, akin to a large cup of coffee, but the slow-release formula ensures a gradual effect that lasts throughout my day. I appreciate how it helps me stay focused and energized without any sudden spikes. Highly recommended for anyone seeking a reliable caffeine supplement!"

"I absolutely love this product! It significantly curbs my appetite, which is fantastic. I had been on prescription Phentermine for weight loss until Covid, and I've never found anything comparable until now. This pill works wonders without the negative side effects. Oddly enough, it also seems to boost my mood! I feel happier and more upbeat. Plus, it doesn't interfere with my sleep; I take it in the morning and have no trouble sleeping at night. I've even lost almost 5 pounds in under two weeks! This product has truly transformed my life, and I never want to be without it!"

"I don't have much more to say aside from the fact that this product does exactly what it claims! There’s no sudden surge of energy or crash afterward, just a few hours of enhanced energy. I particularly like it because it provides the same caffeine boost I would get from an energy drink, but at a fraction of the cost. It also lets me drink water instead of sugary energy drinks, which helps me avoid extra calories."

"I was tired of spending so much on energy drinks and coffee. This product gives me the same alertness without the jitters, and it's a fraction of the cost. Now, I'm saving for more sports equipment!"

"As someone who's caffeine sensitive, I can confidently say these supplements don’t lead to jitters or crashes. I absolutely recommend them!"

"I bought these to help with my focus during exams. I didn't feel a huge boost in energy, but that could be due to my lack of sleep. Overall, I'm giving them a try and will see how it goes."

"I was skeptical at first, but this product really surprised me. After starting to run regularly, I noticed my legs felt weak and sore. However, after taking this supplement, I felt energized and performed great on my runs. No chin splints and only minor soreness afterward. I had no jitters or stomach issues either. Just a heads-up, taking it late at night made my sleep a bit light. Overall, I'm impressed!"

"A coworker at the ski resort recommended this product, and I'm so glad I tried it last ski season. It worked wonders for stopping leg cramps and soreness, allowing me to ski all day. I also use it for mountain biking, especially early in the season. Great value for the price!"

"SportLegs has been a game changer for me! I've been training for an event and felt my lactate threshold was holding me back. After using it, my running improved significantly. I was able to push through without the burn, completing all my reps during strength workouts. I'm very impressed and highly recommend it!"

"I've always struggled with early mornings. This product has changed my life! I wake up, take one or two capsules, and then go back to sleep. When my alarm goes off again, I feel wide awake and ready to tackle the day. No more snoozing!"

"I appreciate the no taste and how easily it mixes with water. It's a simple solution for my caffeine needs."

"I needed an energy boost some days due to my gastritis preventing me from drinking coffee. These caffeine pills have been a game-changer! I've set rules for myself to avoid overuse, and they work perfectly for my needs."

“I've been buying these for almost a year now, and I find them to work great! They’re also very affordable.”

“After stopping coffee, I turned to these pills. They provide me with steady energy and help me focus, especially during my university classes. Plus, at just 5 cents per pill, it's an incredible value!”

“Initially, I experienced intense dry mouth after a few months of taking these pills. I finally connected the dots and stopped, and thankfully, the dryness went away. I truly miss the benefits these pills provided, but I couldn't ignore that side effect.”

“As a mailman, I’m out in the sun for about 5 hours a day. I found that water alone wasn’t enough to keep me going, especially in the extreme heat. After researching, I discovered the importance of electrolytes and found these pills. They rehydrate me without unnecessary ingredients. I've relied on SaltStick this summer and they’ve really helped me finish my day.”

“I'm an Ironman triathlete and I sweat a lot. Depending on the temperature, I take one or two of these per hour. They provide the right balance of electrolytes for me. I also like to pour the capsules directly into my sports drinks, making them easier to use while biking or running.”

“Living in the desert, I sweat just walking to my car. I dislike sugary sports drinks, so these tablets are a great alternative. They keep my electrolytes balanced as long as I drink enough water. My daughter even used them while being a camp counselor and found them much more convenient than warm sports drinks.”

"My wife and I both enjoy this product."

"My family loves these; they help me wake up early without any side effects!"

"After trying various brands, I found this one to be the best—far superior to others!"