---
title: "Rule One, R1 Mass Gainer"
description: "R1 Mass Gainer contains over 1200 calories per serving with a 6:1 carb to protein ratio to help pack on mass fast."
url: https://zonenutrition.me/product/rule-one-r1-lbs-high-calorie-mass-gainer-12lb/
date: 2023-06-04
modified: 2026-05-12
author: "znutrition"
image: https://zonenutrition.me/cdn-cgi/image/format=auto,slow-connection-quality=30,onerror=redirect/https://zonenutrition.me/wp-content/uploads/2026/01/r1-mass-gainer-6lb.jpg
type: product
lang: en
product_type: variable
price: 55
currency: USD
availability: instock
---

# Rule One, R1 Mass Gainer

# **RULE 1 MASS GAINER – HIGH-CALORIE WEIGHT GAINER WITH 6:1 CARBOHYDRATE TO PROTEIN FORMULA**

- 6:1 Carb to Protein Ratio

- 40g Protein Per Serving

- Added Creatine

- 9g Naturally-Occurring BCAAs

- Gluten Free

**CALORIES, PROTEIN, & MORE**

(https://www.ruleoneproteins.com/products/mass-gainer) is stacked with complete whey proteins, simple & complex carbs, and creatine. This high-power mass gainer supplies quality calories and essential amino acids to help pack on weight and assist workout recovery.

![](https://zonenutrition.me/wp-content/uploads/2022/08/rule-one-r1-lbs-mass-gainer-4.jpg)

**INFORMED CHOICE® CERTIFIED**

Regularly tested for banned substances by the world class sports anti-doping lab, LGC.

**WHEN & HOW TO USE IT**

Use alongside regular meals—not as a replacement—to support your daily calorie goals. For best results, combine with a nutrient-dense diet and consistent resistance training.

Mix two (2) scoops of R1 MASS GAINER with approx. 500-600 ml of water, skimmed milk or your favorite beverage in a shaker cup or glass for a delicious shake or add your favorite fruit and ice to the above, mix in a blender and enjoy as a smoothie!

**Supplement Facts**

12 LB = 16 Servings

6 LB = 8 Servings