NutraBio Extreme Mass Gainer Protein Powder, 53G Protein, Clean Weight Gainer, Increase Muscle Mass, Full Spectrum Amino Acid - Strawberry Pastry, 6 Pound
NutraBio Extreme Mass Gainer Protein Powder, 53G Protein, Clean Weight Gainer, Increase Muscle Mass, Full Spectrum Amino Acid - Strawberry Pastry, 6 Pound
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NutraBio Extreme Mass Gainer Protein Powder, 53G Protein, Clean Weight Gainer, Increase Muscle Mass, Full Spectrum Amino Acid - Strawberry Pastry, 6 Pound

NutraBio Extreme Mass Gainer Protein Powder, 53G Protein, Clean Weight Gainer, Increase Muscle Mass, Full Spectrum Amino Acid - Strawberry Pastry, 6 PoundNutraBio Extreme Mass 53G Protein Advanced Anabolic Muscle Mass Gainer Protein High Calorie Full Spectrum Amino Acid Strawberry Pastry 6 PoundNutraBio Kosher Extreme Mass Weight Gainer Chocolate Dairy 6 LB
Flavor:Strawberry

Key item features

  • ANABOLIC WHEY PROTEIN BLEND – Extreme Mass uses a blend of high grade WPC80 and Micellar Casein for maximum lean muscle gain. This blend delivers the optimum amino acid profile for nitrogen retention and muscle repair.
  • DIETARY ESSENTIALS – Serious athletes need true proper nutrition to ensure growth and weight gain. Extreme Mass provides healthy fats, fiber, complex carbs, and vitamins to ensure your body has what it needs to grow.
  • SUPER CHARGE YOUR MACROS – Extreme Mass provides 53 grams of protein and 99 grams of carbohydrates per serving, and only 6 grams of fat. This is essential for any person looking to up their caloric intake. Extreme Mass is suitable for both men and women.
  • SUPERIOR QUALITY - NutraBio uses only the best, and this product is no exception. Extreme Mass is gluten free, soy free, free of added sugars, vegetarian, third-party tested, certified kosher, and made in the USA.
  • THIRD PARTY TESTED, FULL DISCLOSURE – Like all NutraBio products, Extreme Mass is tested by an independent third party lab to ensure it is both pure and meets our strict quality standards. All NutraBio products feature fully transparent labels with no proprietary blends.
Current price is $67.99
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4.875 stars out of 5, based on 16 seller reviews(4.9)
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4.9 out of 5 stars
stars45 ratings43 reviews
How item rating is calculated
  1. 5 stars93% (42)
  2. 4 stars4% (2)
  3. 3 stars0% (0)
  4. 2 stars2% (1)
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Showing 1-3 of 43 reviews

Apr 22, 2026
Wyatt P.
5 out of 5 stars review

Seller Verified Purchase

I didn't like the taste as much as my previous protein, but what I do trust is Joseph Pircher. He trusts nutrabio and since they do 3rd party testing and the products are demonstrably high quality, I'll continue to use their products. I prefer results over taste lol.

Incentivized Review
Review from https://nutrabio.com
Helpful?53FHEGTMK30K209035842
Mar 23, 2026
Paul P.
5 out of 5 stars review

Seller Verified Purchase

40M Ectomorph that has been struggling to gain good healthy weight here. Started taking NutraBio Extreme Mass 10 weeks ago and I already gained 20lbs of healthy weight along with (slightly) improved diet and exercising. Tried dozens of different weight gainers and this one is so far my favorite that has shown best results. Great quality product that mixes well even without using a blender, has good taste (I think very important to be able to drink regularly/daily) - I will be adding this to my daily shake going forward. Vanilla flavor seems to be most versatile for mixing with variety of ingredients (e. g. oats, peanut butter, honey, etc. ) but all three flavors are great.

Review from https://nutrabio.com
Helpful?53FHEGTMK30K209035842
Sep 5, 2025
Stephen
5 out of 5 stars review

Seller Verified Purchase

Totally happy!

I took Creatine + Extreme Mass for six months while lifting every other day and added 25lbs. of muscle. I could have done better if I had been more diligent with my lifting, but I slacked off. I went from 180 to 205 and gained one inch in my waist (36"). That wouldn't have happened if I had worked harder lifting. I'll keep the same routine going forward with my ultimate goal of 10 more pounds. By the way I'm 75 years old and ripped.

Review from NutraBio
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