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Rule One Mass Gainer
Rule One Mass Gainer is a smooth-mixing weight gainer from US brand Rule One Proteins, combining carbohydrate and protein to help you hit your calorie goals. It comes in 4 flavours, with a 65g single serving to try and larger tubs for regular use.
Description
Rule One Mass Gainer – Smooth-Mixing Weight Gainer
Rule One Mass Gainer is a weight gainer from Rule One Proteins, the American brand behind the popular R1 range. It blends carbohydrate and protein into a creamy shake that makes it easier to eat in a calorie surplus when bulking. Rule One is known for clean-tasting, smooth-mixing products, and flavours such as Chocolate Peanut Butter and Vanilla Creme keep daily shakes enjoyable.
Key Benefits
- Muscle mass – protein contributes to a growth in muscle mass.
- Calorie support – carbohydrate and protein to help you reach your bulking targets.
- Smooth texture – mixes easily with milk or water.
- Four flavours – Chocolate Fudge, Chocolate Peanut Butter, Vanilla Creme and Vanilla Ice Cream.
- Try a single serving – a 65g option lets you test a flavour first.
Who Is It For?
Suited to hard gainers, lifters in a bulking phase, athletes with heavy training loads and anyone who finds it hard to eat enough food each day. The single serving suits gym bags and travel.
Flavours & Sizes
Rule One Mass Gainer comes in Chocolate Fudge, Chocolate Peanut Butter, Vanilla Creme and Vanilla Ice Cream. Sizes include a 65g single serving and 2600g or 2620g tubs, depending on flavour.
FAQs
Why do tub sizes vary slightly?
Pack weights can differ slightly between flavours because of their different ingredients.
When should I drink it?
After training and between meals are the most common times. Choose timings that help you meet your daily calorie target.
Why Shop With Lotty8 Supps?
- Genuine, factory-sealed products – sourced through established UK sports-nutrition wholesale distribution. Never repackaged, never grey-market.
- Fast dispatch – orders placed before 1pm on a working day are dispatched the same day with Royal Mail Tracked 48.
- Low-cost UK delivery – £3.99 per order, free on orders over £100. See our Delivery & Returns page.
- Hassle-free returns – full details on our Delivery & Returns page.
- Top brands in one place – Applied Nutrition, BioTechUSA, SciTec, NOW Foods, Doctor’s Best and many more.
- Real people, real help – questions about a product or your order? Contact the Lotty8 team.
Food supplements should not be used as a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily intake. Keep out of reach of young children. Formulations and packaging can change – always read the label on the product you receive before use.
Mix the serving shown on the label with 400–500 ml of milk or water in a shaker or blender. Drink after training and/or between meals. Split into smaller shakes if you find a full serving too filling.
Always follow the directions on the product label. Do not exceed the recommended daily intake.
- Brand: Rule One
- Product: Rule One Mass Gainer
- Flavours available: Chocolate Fudge, Chocolate Peanut Butter, Vanilla Creme, Vanilla Ice Cream
- Sizes available: 2600g, 2620g, 65g (1 serving)
- Country of origin: United States
Country of origin: United States
Best before: shown when you choose an option.
Additional information
| Weight | N/A |
|---|---|
| Flavour | Chocolate Fudge, Chocolate Peanut Butter, Vanilla Creme, Vanilla Ice Cream |
| Size | 2600g, 2620g, 65g (1 serving) |
| Country of Origin | United States |
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