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Rule One Source7 Protein
Rule One Source7 Protein is a multi-source protein powder from US brand Rule One, blending several protein types for a thick, satisfying shake. Available in 12 dessert-style flavours such as Pistachio Ice Cream and Chocolate Gelato, in single servings and several tub sizes.
Description
Rule One Source7 Protein – Multi-Source Protein Blend
Rule One Source7 Protein is a multi-source protein powder that, as its name suggests, brings together several protein sources in one blend. Made by American brand Rule One Proteins, it is designed to give a fuller, creamier shake than a single-source whey, making it a satisfying option between meals or before bed as well as after training. The gelato-inspired flavour range makes it a real standout.
Key Benefits
- Multi-source protein: combines different protein types in one convenient shake.
- Muscle support: protein contributes to a growth in muscle mass and to the maintenance of muscle mass.
- Normal bones: protein contributes to the maintenance of normal bones.
- Thick, filling texture: a satisfying shake that works well between meals.
- Dessert flavours: 12 options including Banana Creme, Pumpkin Spice and Vanilla Gelato.
Who Is It For?
Source7 suits gym-goers who want an all-day protein rather than just a post-workout shake, people with long gaps between meals and anyone who prefers a thicker, more filling drink. It is also a good pick if you like variety in your protein sources.
Flavours & Sizes
Choose from 12 flavours including Chocolate Peanut Butter Gelato, Milk Chocolate, Pistachio Ice Cream and Salted Caramel. Sizes range from single servings of around 39–41g to tubs of roughly 800g–2.3kg, depending on flavour.
FAQs
What protein sources are in Source7?
It blends several protein types, typically including dairy proteins. Check the label on your pack for the full list of sources and allergens.
When is the best time to drink Source7?
It works at any time, but its blended profile makes it popular between meals and in the evening, as well as after training.
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 on the label with 200–300 ml of water or milk and shake thoroughly. Drink after training, between meals or in the evening as part of your daily protein intake. Allow a few seconds for any foam to settle.
Always follow the directions on the product label. Do not exceed the recommended daily intake.
- Brand: Rule One
- Product: Rule One Source7 Protein
- Flavours available: Banana Creme, Birthday Cake, Chocolate Gelato, Chocolate Peanut Butter Gelato, Cookies & Creme, Milk Chocolate, Pistachio Ice Cream, Pumpkin Spice, Salted Caramel, Strawberries & Creme, Vanilla Gelato, Vanilla Ice Cream
- Sizes available: 809g, 40g (1 serving), 800g, 41g (1 serving), 902g, 913g, 2280g, 1800g, 39g (1 serving), 819g, 1790g, 2260g
- Country of origin: United States
Country of origin: United States
Best before: shown when you choose an option.
Additional information
| Weight | N/A |
|---|---|
| Flavour | Banana Creme, Birthday Cake, Chocolate Gelato, Chocolate Peanut Butter Gelato, Cookies & Creme, Milk Chocolate, Pistachio Ice Cream, Pumpkin Spice, Salted Caramel, Strawberries & Creme, Vanilla Gelato, Vanilla Ice Cream |
| Size | 1790g, 1800g, 2260g, 2280g, 39g (1 serving), 40g (1 serving), 41g (1 serving), 800g, 809g, 819g, 902g, 913g |
| Country of Origin | United States |









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