Review Graph
Top Rated Flavors
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Most Recent
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Most Helpful
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All Reviews (505)
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Verified Buyers (505)

Charles D
Verified Buyer
Flavor is great. Muscle growth seems to be on par. Will continue to use.*
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Nicholas C
Build Muscle
Verified Buyer
Really enjoy the flavor, mixes very well too. Noticeable improvement in recovery*
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Kevin B
Verified Buyer
Both flavors are awesome. I start every day with a mix of these Aminos & creatine.*
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Blackheart
Build Muscle
Verified Buyer
The sour watermelon is my favorite flavor so far good taste and mixes well*
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Chris L
Build Muscle
Verified Buyer
This is the best tasting product. It mixes well and hydrates. *
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Ely D
Healthy Lifestyle
Verified Buyer
Highly recommend anything r1 flavor profiles and dissolve amazingly *
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Ken R
Healthy Lifestyle
Verified Buyer
Taste like a sweet tart. Great flavor. An amino that mixes well *
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Phillip S
Verified Buyer
Anything that comes with a warning that it may cause cancer should be explained prior to the purchase.*
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Edvin S
Healthy Lifestyle
Verified Buyer
Great deal 2 for 1 and great taste. A bit of ice in the mix turns this to something even better!*
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John M
Build Muscle
Verified Buyer
Not too bad. I like the Rainbow Candy flavor better then the Fruit Punch. I will have to try out some of the other flavors next time.*
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Skerdi
Transformation
Verified Buyer
I train twice a day and Rule 1 R1 Essential Amino 9 is all i need*
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Mohamed A
Verified Buyer
Great deal for the amino . Taste great and easy to mix . Will reorder it again.*
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Josh W
Verified Buyer
Aminos taste good and are a good help to get me through my workouts*
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robert c
Build Muscle
Verified Buyer
Great price and flavor profile will not train without it. Highly recommend *
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Tim R
Verified Buyer
I use this after every workout. Helps with the recovery process.*
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Nicholas C
Verified Buyer
Great flavor and great to keep in the car for when on the go!*
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Alexander P
Verified Buyer
My go to EAA supplement. I use 2 scoops with my intra workout shake.*
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Akito
Build Muscle
Verified Buyer
The content is rich compared to other EAA products. I don't know if I will buy it again.*
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Jay W
Build Muscle
Verified Buyer
My go to for BCAA….Great flavor, good energy. Been using Rule1 for a while & never been let down. Price & deals make it a no brainier*
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Luis Eduardo N
Build Muscle
Verified Buyer
Great tasting product. You can mix it with water or in smoothies, even with your creatine*
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Brad C
Verified Buyer
Great tasting product. Not only are you getting your amino's but, you're also getting hydrated to help with long workouts.*
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Blackheart
Build Muscle
Verified Buyer
First time I’ve used this but so far really like it. Not sour like others. Good taste and seems to do the job. Another quality product by Rule 1*
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Johnathann V
Verified Buyer
The best tasting aminos. You can mix it with water or in smoothies, even with your protein. It mixes well and it just gives you a great recuperation. *
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Luis Eduardo N
Build Muscle
Verified Buyer
It great, flavor 10/10 i will buy it again, 100% recommended*
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Jesse K
Build Muscle
Verified Buyer
We started using this instead of the liquid IV single packages. I think it works great and tastes way better!*
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Josh W
Verified Buyer
Good product and good flavor. Like drinking it during my workouts *
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Bob w
Healthy Lifestyle
Verified Buyer
Delicious and satisfying to drink, definitely feel better after long workout when I drink this during and post workout*
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MICHELE I
Verified Buyer
The best - flavor is amazing. I also add the juice from a lemon to the Blue Razz Lemonade flavor - it’s refreshing and tastes great. *
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Dan F
Verified Buyer
Great product at a great price!
Will recommend to friends and family!*
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Luis C
Verified Buyer
the best focus and extra strength + great taste ... Strawberry Margarita is a blast !!!*
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Kevin B
Verified Buyer
This is my favorite Amino supplement. No doubt best i have tried.*
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Ed P
Verified Buyer
I use this as my intra workout.
So far I think this helps with my recovery as I workout. *
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Chris L
Build Muscle
Verified Buyer
I really like the flavors they have for this product. Always been happy with Rule1 products. *
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Luis Eduardo N
Build Muscle
Verified Buyer
It is a good product, excellent flavor for recovery, it is very excellent, I have no complaints, I will order it again*
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Samantha F
Build Muscle
Verified Buyer
The best aminos for me.
They melt very well even without a shaker, good taste and not acidic. Electrolytes make all the difference. for me the product is top*
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Ryan B
Verified Buyer
Great flavor, and helps retain muscle as i do not eat enough protein*
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Alexander P
Verified Buyer
One of the best companies around! All of their products are excellent and taste amazing!*
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Jason K
Verified Buyer
Been using this EAA for almost a year. Its great for intraworkout and helps with recovery. Any flavor I've had is great and I've become a fan of all things R1 - Casein, Creatine, EAA, and Whey*
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Oscar R
Verified Buyer
this aminos is great it has all kinds of good EEA n yhe bcca perfect during my workouts the sour watermelon flavor is delicious *
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Kyle R
Verified Buyer
Best flavor, best aminos on the market today. Maybe even the best ever. Rule 1 knows what they are doing *
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Jay W
Build Muscle
Verified Buyer
My go to for BCAA. Mixes perfect, good taste. One of my favorites*
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Chamelie/Carlton E
Healthy Lifestyle
Verified Buyer
seem like this brand is a new kiddo on the block but the amazing thing is the clients just cant resist that brand,they feel the difference with this brand,Thumbs up for RULE ONE*
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Christian M
Verified Buyer
Best flavor the Sour Watermelon. Very good aminos at a great price. Will buy again *
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Virgil P
Build Muscle
Verified Buyer
Rule 1 R 1 Essential Amino 9 has a very good taste and great deals.*
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Paul N
Verified Buyer
One of the best amino pruducts on the market, its just got everything you need*
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Christian M
Verified Buyer
Rule 1 make the best value dips. This does not disappoint. I just ordered another container *
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Jeffrey P
Burn Fat
Verified Buyer
Solid taste no chalky flavor and the hydration is perfect! You can’t go wrong with Rule 1*
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marcos r
Verified Buyer
i like the flavor and the mood it gives me while training, i would definitely buy it again*
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Josh W
Verified Buyer
This is a great product and I haven’t had a bad flavor yet.!*
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Nate D
Verified Buyer
Rule one has produced some quality products. I am happy with trying these out*
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* Muscle & Strength does not imply any medical claims from this review. There are no
guarantees of specific results and results may vary.
* These statements have not been evaluated by the Food and Drug Administration. This product is
not intended to diagnose, treat, cure, or prevent any disease.