Rule One Proteins R1 Protein Whey Isolate - 25g Protein from 100% Whey Protein Isolate - Mint Chocolate Chip - 5lb
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$109.99
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4.9 out of 5 stars with 532 reviews
5 out of 5 stars
2 June, 2026
originally posted on Rule One Proteins
Great Protein
Flavor is second to none, very clean high quality ingredients, digests great may depend on your digestive system but very clean. Very enjoyable taste like a dessert.
5 out of 5 stars
29 May, 2026
originally posted on Rule One Proteins
Love this Protein!
I live the R1 Fruity Cereal Flavor Protein! It tastes amazing, Blends well, and digests well.
5 out of 5 stars
20 May, 2026
originally posted on Rule One Proteins
Protein!
I’m a fan of this protein and it tastes good and also is good quality and MANY flavors.
5 out of 5 stars
20 May, 2026
originally posted on Rule One Proteins
Love it!
I love the taste of the pistachio flavor! Filling and easy on the stomach.
5 out of 5 stars
18 May, 2026
originally posted on Rule One Proteins
Bought 4 5lbs.
BEEN IN THE GAME FOR A COUPLE DECADES. IF YOU RESPECT YOURSELF AND TRULY INTO YOUR GAINS, THIS IS THE ONLY PROTEIN TO CONSUME.
5 out of 5 stars
17 May, 2026
originally posted on Rule One Proteins
Delicious
[This review was collected as part of a promotion.] Flavor and ability to mix are great! Their protein hits the mark.
5 out of 5 stars
17 May, 2026
originally posted on Rule One Proteins
Delicious
Flavor and ability to mix are great! Their protein hits the mark.
5 out of 5 stars
15 May, 2026
originally posted on Rule One Proteins
Pistachio R1
[This review was collected as part of a promotion.] The best protein flavor i’ve ever tried, like a treat anytime i drink it. my favorite flavor
5 out of 5 stars
15 May, 2026
originally posted on Rule One Proteins
Whey Isolate Vanilla Cream!
[This review was collected as part of a promotion.] Amazing flavor! Mixes really well too! Definitely buying again!
5 out of 5 stars
14 May, 2026
originally posted on Rule One Proteins
Whey Isolate Vanilla Cream!
Amazing flavor! Mixes really well too! Definitely buying again!
5 out of 5 stars
7 May, 2026
originally posted on Rule One Proteins
Hands down
[This review was collected as part of a promotion.] The best protein on the market !!! No question at all. Taste and quality is the best I have had . I have been training and drinking protein shakes since 2000. Rule 1 is absolutely the best !
5 out of 5 stars
1 May, 2026
originally posted on Rule One Proteins
Bought 3
Flavor is always great protein mixes better than any other and isn’t all thick like all the other proteins from other companies.
5 out of 5 stars
30 April, 2026
originally posted on Rule One Proteins
Rule 1 Whey protein
[This review was collected as part of a promotion.] Tried for the first time and I like it! easy to mix and flavor is spot on with no aftertaste! Recommend!
5 out of 5 stars
28 April, 2026
originally posted on Rule One Proteins
Everything about it is great
[This review was collected as part of a promotion.] Everything about it , the flavor the taste and the quality is top notch!
5 out of 5 stars
24 April, 2026
originally posted on Rule One Proteins
The best whey protein isolate I've ever had.
[This review was collected as part of a promotion.] The flavor tastes amazing. I grabbed pistachio and it's on point. It's not bitter.. It's smooth. The quality was done well. It's not tough to drink down like some brands out there. Definitely getting it again.
5 out of 5 stars
22 April, 2026
originally posted on Rule One Proteins
Whey Isolate Protein
[This review was collected as part of a promotion.] Great flavor and easy mixing! No bad aftertaste! Recommend!
5 out of 5 stars
19 April, 2026
originally posted on Rule One Proteins
Staple in our routine
[This review was collected as part of a promotion.] We’ve gone through several jugs of R1 Protein Whey Isolate in different flavors—Pistachio, Strawberries & Cream, and Caffè Mocha—and it’s become a daily staple in our routine. Whether we’re blending it into shakes or mixing it into homemade protein balls, it consistently delivers both in taste and performance. One of the standout qualities is how smooth and easy it mixes. No clumping, no gritty texture—just a clean, drinkable shake every time. The flavors are surprisingly well done, too. The Pistachio has a subtle, nutty sweetness that isn’t overpowering, the Strawberries & Cream tastes fresh and slightly indulgent without being overly sugary, and the Caffè Mocha is perfect when you want a hint of coffee flavor in your protein. Nutritionally, it checks all the boxes we look for in a whey isolate—high protein content, low carbs, and easy on digestion! It’s been a great fit whether we’re using it post-workout or just trying to hit our daily protein goals. Overall, this is a product we keep coming back to and plan to continue using. If you’re looking for a reliable, great-tasting whey isolate that mixes well and fits easily into different uses, this is definitely one to try. Highly recommend.
5 out of 5 stars
14 April, 2026
originally posted on Rule One Proteins
Best I have used
[This review was collected as part of a promotion.] This is easily the best mixing protein I have used. Simply mix with water and you get a high protein, low calorie drink that tastes good. I have recommended to all my family and friends.
5 out of 5 stars
9 April, 2026
originally posted on Rule One Proteins
My New Favorite Protein
[This review was collected as part of a promotion.] My trainer got this for me as a gift and I am super happy with it. It is super easy to take down and drink. It feels a lot thinner. She got me the pistachio ice cream flavor which I was skeptical about at first, but I was very surprised at how good the flavor was. But I will say is there is I am definitely experiencing a little flavor fatigue and because of that I’m going to buy a couple of different flavors so I could switch it up every day. Definitely might go to moving forward.
5 out of 5 stars
6 April, 2026
originally posted on Rule One Proteins
Our go to
[This review was collected as part of a promotion.] This person is my husbands and I go to person. It is the best we have found with it’s smoothness and no clumping.