Rule 1 | R1 Mass Gainer Chocolate Peanut Butter / 12 LB
When it comes to achieving your body composition goals, relying solely on your own efforts may only take you so far in terms of progress. Without proper supplementation, your dedicated workouts may not yield the desired results. Enter R1 Mass Gainer by Rule 1 Proteins, an effective solution to help you add the necessary mass and achieve your body goals. Packed with premium-quality ingredients, each serving of R1 Mass Gainer by Rule 1 Proteins provides 1,220 calories, over 250g of carbohydrates, and 40g of protein. These proteins are derived from three different whey sources, including the extensively researched supplement, creatine. What sets this product apart is not just what it contains but also what it excludes. R1 Mass Gainer by Rule 1 Proteins is free from any banned substances, ensuring natural and trustworthy results you can take pride in. It is also formulated without creamers, spiking agents, or soy protein, making it a specialized blend designed to offer you the most effective means of gaining mass.
When it comes to achieving your body composition goals, relying solely on your own efforts may only take you so far in terms of progress. Without proper supplementation, your dedicated workouts may not yield the desired results. Enter R1 Mass Gainer by Rule 1 Proteins, an effective solution to help you add the necessary mass and achieve your body goals. Packed with premium-quality ingredients, each serving of R1 Mass Gainer by Rule 1 Proteins provides 1,220 calories, over 250g of carbohydrates, and 40g of protein. These proteins are derived from three different whey sources, including the extensively researched supplement, creatine. What sets this product apart is not just what it contains but also what it excludes. R1 Mass Gainer by Rule 1 Proteins is free from any banned substances, ensuring natural and trustworthy results you can take pride in. It is also formulated without creamers, spiking agents, or soy protein, making it a specialized blend designed to offer you the most effective means of gaining mass.
When it comes to achieving your body composition goals, relying solely on your own efforts may only take you so far in terms of progress. Without proper supplementation, your dedicated workouts may not yield the desired results. Enter R1 Mass Gainer by Rule 1 Proteins, an effective solution to help you add the necessary mass and achieve your body goals. Packed with premium-quality ingredients, each serving of R1 Mass Gainer by Rule 1 Proteins provides 1,220 calories, over 250g of carbohydrates, and 40g of protein. These proteins are derived from three different whey sources, including the extensively researched supplement, creatine. What sets this product apart is not just what it contains but also what it excludes. R1 Mass Gainer by Rule 1 Proteins is free from any banned substances, ensuring natural and trustworthy results you can take pride in. It is also formulated without creamers, spiking agents, or soy protein, making it a specialized blend designed to offer you the most effective means of gaining mass.
When it comes to achieving your body composition goals, relying solely on your own efforts may only take you so far in terms of progress. Without proper supplementation, your dedicated workouts may not yield the desired results. Enter R1 Mass Gainer by Rule 1 Proteins, an effective solution to help you add the necessary mass and achieve your body goals. Packed with premium-quality ingredients, each serving of R1 Mass Gainer by Rule 1 Proteins provides 1,220 calories, over 250g of carbohydrates, and 40g of protein. These proteins are derived from three different whey sources, including the extensively researched supplement, creatine. What sets this product apart is not just what it contains but also what it excludes. R1 Mass Gainer by Rule 1 Proteins is free from any banned substances, ensuring natural and trustworthy results you can take pride in. It is also formulated without creamers, spiking agents, or soy protein, making it a specialized blend designed to offer you the most effective means of gaining mass.
in 25 offers
The lowest price for Rule 1 | R1 Mass Gainer Chocolate Peanut Butter / 12 LB right now is $70.43 at drnutrition.com, compared across 24 retailers.
The all-time low was $70.34 on 6 May 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 12 May 2026.
Last updated at 12/05/2026 04:41:30
Rule 1 Mass Gainer, Chocolate Peanut Butter, 11.43 LB, Over 1,220 Calories Per Serivng
Delivery between 16–21 May $73.44
R1 Mass Gainer 16 Servings Chocolate Peanut Butter 11.57 lbs
Rule 1 Mass Gainer 16 Serv Chocolate Peanut Butter Mass Weight Gainer
Delivery $15.22
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Rule 1 Mass Gainer Protein Powder 5.20kg / Chocolate Peanut Butter
Delivery between 15–25 May $15.95
Rule1 Mass Gainer Chocolate Peanut Butter / 16 Serves
Delivery $14.99
Rule1 Mass Gainer Chocolate Peanut Butter / 16 Serves
Delivery $14.99
R1 Mass Gainer by Rule 1 Proteins 12lbs / Chocolate Peanut Butter
Delivery $12.90
Rule1 R1 Mass Gainer 11.46lb (5.2kg) / Chocolate Peanut Butter
Free delivery
Buy Rule1 Proteins - R1 Mass Gainer at The Cave Gym for only A$89.95 16 Serves / Chocolate Peanut Butter
R1 MASS // Mass Gainer Protein Blend Chocolate Peanut Butter / 16 Servings
Delivery $9.95
originally posted on walmart.com
RULE 1 Mass Gainer has transformed my fitness journey. The Chocolate Fudge flavor in the 11.46lb size is incredibly delicious. It mixes flawlessly, leaving behind a smooth and lump-free shake. The packaging is convenient and the 16 servings offer great value. With this mass gainer, I've experienced remarkable gains in size and strength. RULE 1 Mass Gainer deserves a resounding five-star rating!
Rule 1 Mass Gainer, Chocolate Peanut Butter, 11.43 LB, Over 1,220 Calories Per Serivng
Delivery between 16–21 May $73.44
R1 Mass Gainer 16 Servings Chocolate Peanut Butter 11.57 lbs
Rule 1 Mass Gainer 16 Serv Chocolate Peanut Butter Mass Weight Gainer
Delivery $15.22
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Rule 1 Mass Gainer Protein Powder 5.20kg / Chocolate Peanut Butter
Delivery between 15–25 May $15.95
Rule1 Mass Gainer Chocolate Peanut Butter / 16 Serves
Delivery $14.99
RULE 1 Mass Gainer has transformed my fitness journey. The Chocolate Fudge flavor in the 11.46lb size is incredibly delicious. It mixes flawlessly, leaving behind a smooth and lump-free shake. The packaging is convenient and the 16 servings offer great value. With this mass gainer, I've experienced remarkable gains in size and strength. RULE 1 Mass Gainer deserves a resounding five-star rating!
