Review Graph
Top Rated Flavors
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Most Recent
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Most Helpful
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All Reviews (83)
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Verified Buyers (83)

Vernon M
Verified Buyer
Great!!! doesn't bloat me to the point I wanna squirt methane into my own aura. Gained a couple pounds in a week. Flavor is tasty & it's all at a reasonable price. Will be buying more*
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Brett P
Verified Buyer
Just ordered more. Great flavor and has def helped me get in the extra calories to see some good gains.*
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timothy N
Verified Buyer
Is a very good product extremely satisfied with it it was great*
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Michael C
Verified Buyer
Shipping is always excellent but the product is Awesome tastes great*
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DAVID RICARDO C
Verified Buyer
Cookies and Creme flavor is really good!! Is my favorite flavor!!*
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Josue T
Verified Buyer
Seems effective but the high fiber gives me the bubbles. Taste is alright*
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DAVID RICARDO C
Verified Buyer
IS an amazing option for my daily requirements! I really like it!!*
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Tyler D
Verified Buyer
Great taste and price for a quality mass gainer. Mixes well in a shaker bottle with no clumps. *
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Dan J
Verified Buyer
I was looking for affordable protein and didn't fully realize the amount of this product, per serving, you would need to consume to get to 40 grams of protein. (2 full cups) The product does not dissolve very well in water, but the taste is good.*
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Denis O
Build Muscle
Verified Buyer
The flavor is really good and easily to drink anytime is really awesome!!!*
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Walter C
Build Muscle
Verified Buyer
Excellent purchase, delicious flavor definitely recommended*
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Erik B
Build Muscle
Verified Buyer
Tastes great, mixes easily in the shaker or blender. Gives me all I need after a good workout.*
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Michael
Verified Buyer
Good protein at a grate price. I can’t get enough. This is my go to protein when I’m feeling like I’m pushing to hard but can’t eat more then my diet allows.*
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The Phenominal one
Build Muscle
Verified Buyer
Cookies and cream tastes amazing, and at $27 for 6 pounds, can't beat it!*
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Melissa B
Build Muscle
Verified Buyer
Good weight gainer. Really put on some size when taken twice a day*
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Rudy A
Verified Buyer
The product is good but it’s too expensive and only has 10 servings. *
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The Phenominal one
Build Muscle
Verified Buyer
One of few mass gainers that doesn't upset my stomach, rule one is top of the line!*
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The Phenominal one
Build Muscle
Verified Buyer
Always my go to for mass gainers, been using rule 1 since 2016!*
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The Phenominal one
Build Muscle
Verified Buyer
High quality, blends well, and is one of the more affordable mass gainers!*
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Zebulon P
Build Muscle
Verified Buyer
Loved it and it helped me keep my weight up with no bloat o*
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John B
Verified Buyer
Inner seal was damaged and flavor isn't great.
M&S was great and sent me a replacement very quickly *
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Melissa B
Build Muscle
Verified Buyer
My son repeatedly orders this protein. I noticed he put on alot of muscle mass shortly after consistently taking it.*
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Kevaughan G
Verified Buyer
Good source of calories, Not as smooth as the other mass gainers.*
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Joshua S
Verified Buyer
Great taste, even with water !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!*
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Joe C
Verified Buyer
This product, like many others, has a sugar substitute that can cause cancer. READ AND RESEARCH BEFORE YOU BUY *
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Kim S
Build Muscle
Verified Buyer
Very fine powder so you don’t have the grit like some powders. Still kind of clumpy though. Overall good taste and no bloating or side effects.*
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Erik B
Build Muscle
Verified Buyer
Tastes great and mixes well in the blender. No globs or chunks.good chocolate flavor.*
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Fredy B
Build Muscle
Verified Buyer
The vanilla flavor is amazing!
I would go for a work out after a say at work and drink the recommended serving after my work out... I wouldn't even feel hungry the rest of the evening.
Stacked on at least 5lbs after 1 container.*
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Krysta F
Verified Buyer
I desperately needed to gain weight and I bought this product years ago and still use it. It has helped me gain 20 pounds. The flavors are pretty good. I make a smoothie using frozen fruit, Oat milk and flax seed oil to make an 800 calorie smoothie when I fail to eat enough calories for the day. I would recommend this product to anyone needing to gain weight.*
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Allen K
Verified Buyer
Good: Flavors are the best in the business.
Bad: kind of a waste… good protein mixed with junk carbs… just buy their whey and eat some real food, you’ll be better off. *
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The Phenominal one
Build Muscle
Verified Buyer
Amazing taste and excellent quality and texture, mixes better than most mass gainers!*
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The Phenominal one
Build Muscle
Verified Buyer
Love the flavor and value, high quality mass.gainer from rule one!*
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Akito
Build Muscle
Verified Buyer
It tastes good. Just small portion. I like it but I won't buy it again*
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William D
Healthy Lifestyle
Verified Buyer
Great Taste cookies and cream Rule 1 Whey Protein no bloat Excellent Product *
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Romain M
Build Muscle
Verified Buyer
Rule 1 Mass gainer, good quality and great product taste!*
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Melissa B
Build Muscle
Verified Buyer
Huge 8oz scoops and 2 scoops is a serving. Overall satisfied with product*
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Melissa B
Build Muscle
Verified Buyer
Taste good. 1st one didn't have scoop but the next one did and it was 8oz! Overall pretty good. Thanks M&S*
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The Phenominal one
Build Muscle
Verified Buyer
Rule one is amazing, my go to mass gainer, nothing else compares!*
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The Phenominal one
Build Muscle
Verified Buyer
High quality mass gainer, and a pretty clean one at that, especially for the price!*
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The Phenominal one
Build Muscle
Verified Buyer
Love the quality, taste, value, Rule one has always been a go to for supplements!*
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Garrett B
Increase Strength
Verified Buyer
I did not necessarily like the vanilla flavor however the product worked well. I decided to order a different product once finishing this protein powder as I felt that I had better results with other protein powders. I may use this product again although I am not sure.*
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Kelly
Verified Buyer
A mass gainer that is worth a try. Is a cheaper mass gainer as well*
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Kelly
Verified Buyer
Good mass gainer for weight gain. Give it a try and see how it works for you.*
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Jean-Gaby M
Verified Buyer
Great taste and results. RECOMMENDED , YOU WILL NOT REGRET YOUR MONEY*
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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.