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Customer reviews for Optimum Nutrition, Amino Energy + Focus, Pre-Workout, Watermelon, 1.42 lbs. for
Optimum Nutrition, Amino Energy + Focus, Pre-Workout, Watermelon, 1.42 lbs.
4.6 out of 5 stars
stars
231 ratings169 reviews
  1. 5 stars76% (175)
  2. 4 stars15% (34)
  3. 3 stars5% (11)
  4. 2 stars2% (4)
  5. 1 star3% (7)
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Showing 131-140 of 169 reviews
Jul 25, 2025
Anonymous
3 out of 5 stars review

Not very impressed

[This review was collected as part of a promotion.] I used this before going out for a run, and to be honest, I didn’t feel much of a difference in terms of energy or focus. However, I really enjoyed the flavor—it has a refreshing watermelon taste. I mixed it with cold water, and it was very pleasant to drink. The container is large and I really like the design—it looks great on the shelf. Even though I didn’t notice a big performance boost, I’m still open to trying it again or testing it during a different type of workout.

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Mar 28, 2023
Tony989
5 out of 5 stars review

Nice Energy Boost

[This review was collected as part of a promotion.] I usually avoid anything that is "energy/health food/etc" because I find that they don't work for me. This stuff actually rocks, I have mixed up a water bottle full on several occasions and can actually feel the extra energy. Plus the flavor on it is pretty great. I'm definitely buying it again.

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Mar 29, 2023
Cadenaam
4 out of 5 stars review

Great Drink mix - no powdery texture & great taste

[This review was collected as part of a promotion.] So I am not typically a person who is into energy drinks but I tried this energy drink mix and it was actually pretty good. The flavor was nice and refreshing and it gave me a good energy boost that didn't leave me feeling all jittery or tired like other energy drinks have in the past.,,At first, I wasn't sure about it and I was actually surprised by how good it tasted! I expected it to taste like how most energy drinks taste - straight sugar or if its a mix - have a weird powdery texture. But I didn't experience any of that surprisingly. And as someone who struggles with fatigue and energy half way through the day, I've definitely been feeling more awake and productive during the day since I started drinking this stuff. It's not like a magic solution or anything, but it's been a helpful tool for managing my energy levels. Definitely worth a try if you're in the market for a new energy drink!

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Apr 20, 2023
Brea1228
5 out of 5 stars review

Great taste

[This review was collected as part of a promotion.] I’ve been using this product as a pre-workout. Feel like it really improves hydration and energy during workouts. I’ve even let my kids try it and they like the flavor. Great replacement for sugar loaded drinks. Can’t wait to try other flavors!

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Apr 10, 2023
Kimmeuto
4 out of 5 stars review

Adjust to taste

[This review was collected as part of a promotion.] I used for scoops in a 16 to 20 oz shaker bottle, and four scoops was definitely too much. I recommend adjusting to taste! I use two scoops, The taste was pleasant, it mixed well in my shaker bottle. I was at work, and needed an energy boost, and I felt able to keep up with my work (as a cook in a pizzeria and diner type kitchen) without being overwhelmed. I do not necessarily recommend to this, nor do I necessarily not recommend it. I'll drink what I have left, and probably will not purchase.

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Mar 16, 2023
Btitus2021
4 out of 5 stars review

Tastes great

[This review was collected as part of a promotion.] This powder tastes great. It really has a nice candied watermelon flavor. It mixes well. I do notice a little energy which is a nice thing after lunchtime. I like that it keeps me hydrated as well which is an added bonus.

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Jul 28, 2025
jessef15_7132
5 out of 5 stars review

Refreshing Workout Mix

[This review was collected as part of a promotion.] I received Optimum Nutrition AMIN.O. ENERGY Watermelon Splash free from Influenster in exchange for my honest review. The Watermelon Splash flavor is refreshing and tart in an enjoyable way. It has a subtle watermelon flavor that is easy to drink and sharply refreshing. The powder dissolves easily in cold water by either stirring or shaking. I am excited about all the amino acids this includes. The fact that it contains caffeine, vitamins, and electrolytes for working out is a huge bonus! I also am very impressed by the ingredients. I felt ready to work out and did not start to drag through my cardio and weights exercises. I have limited experience with pre workout supplements. I am curious if i will notice when I run out. But each container is 72 servings!!

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Apr 20, 2023
Tpa21
4 out of 5 stars review

Great quick energy

[This review was collected as part of a promotion.] Used amino energy for before workout for great energy and focus, not a great fan of the watermelon flavor but can’t complain too much since it got the job done. Used it for daily energy boost if not drinking a coffee. Highly recommend

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Mar 6, 2023
Teri93
5 out of 5 stars review

Amin.o Energy Watermelon Splash

[This review was collected as part of a promotion.] I just received the Amin.o Energy Watermelon Splash a couple of days ago and I really like it . I love the taste , I drank some before work and it kept me energized throughout the day . I will definitely recommend this product to my friends and family .

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183
Mar 10, 2023
Bostonmama69
5 out of 5 stars review

Optimum nutrition

[This review was collected as part of a promotion.] The quality and value of this product is amazing The flavor is so delicious and refreshing and I feel amazing from all the great nutritional vitamins and minerals And it was so Easy to make great for refueling after I work out I definitely recommend trying this product I will be getting more thank you

Review from optimumnutrition.com
Helpful?1L1Q2VE97K5S16143914183