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Product features.
A good fit for Comparing a high-energy powder for a defined calorie and protein shortfall, rather than choosing a protein-only shake.
- The photographed Vanilla label states energy, protein and carbohydrate amounts, making the large serving explicit.
- Each supplied flavour keeps its own listing, so buyers can compare ingredients and pack information instead of assuming all options are identical.
A full serving can add more energy than needed. Several retailer fields are inconsistent, and a mass-gainer label does not diagnose the reason for low weight or guarantee lean-muscle gain.
Read the ingredient evidence.
Whey protein — Adequate protein supports training adaptation; a whey supplement can help meet intake needs but is not necessary when diet already does so. Benefits, women’s context & cautions
These findings concern the stated ingredient or studied preparation. The finished formula and retail version may differ.
Check the exact version, pack size and seller terms before buying.
The details that matter.
- Main photographed option
- Vanilla; 5.45kg pouch; 16 servings / 32 scoops on front label
- Vanilla front-label values
- 1250 kcal; 50g protein; 252g carbohydrate per labelled full serving
- Cookies & Cream option
- 5.45kg pouch; photographed label: 1267 kcal, 50g protein and 252g carbohydrate per serving
- Strawberry pack conflict
- Title says 2.73kg; photo says 5.44kg / 12lb and metadata says 5.45kg. Confirm the actual offered pack.
- Product format
- Carbohydrate-rich protein powder with added creatine, vitamins and minerals; regional formulas vary
- The Vanilla page mixes Serious Mass identity with Pro Complex Gainer wording and directions. Those copied directions are not reproduced as a verified serving plan.
- The Strawberry title conflicts with its photograph and metadata. Confirm pack size with the seller before purchase; the pictured bag is not evidence that the title is correct.
- Check allergens on the delivered regional label. Retailer ingredients mention milk, soy, egg and wheat in some versions; added micronutrients also overlap with multivitamins.
- Unexpected weight loss needs clinical assessment. Choose the amount around an overall food and training plan rather than taking a large labelled serving automatically.
Cycling & duration.
Ingredient timeframes describe the cited preparation; they do not establish a cycle for every finished formula.
Serious Mass Weight Gainer
- On/off pattern
- No nutritional on/off reset is needed; use must follow a defined calorie and protein gap.
- Duration & evidence
- There is no standard mass-gainer course. Reassess portions as ordinary food intake, weight trend and training change; creatine research does not establish a course for the whole mixture.
- When to review
- Review whether the energy surplus is appropriate, digestive tolerance and overlapping vitamins and minerals before extending use.
- A large pouch is not a treatment duration. Do not use a full serving simply because the pack describes it.
- Unplanned weight loss or difficulty eating deserves assessment rather than repeated weight-gainer courses.
Duration sources: NHS: healthy ways to gain weight · NIH ODS: exercise supplements, protein and BCAAs. Checked 2026-11-06.
Read the guide to supplement cycling, courses and review periods
How we assessed it.
Exact Amazon UK destination, selected product photograph and published label features checked on 6 November 2026, with manufacturer and authoritative health sources where identified. Gram Health has not physically tested these products or verified batch composition; retailer conflicts and formulation differences are disclosed.
Retailer source: Amazon UK: Serious Mass Vanilla 5.45kg · Details checked 2026-11-06.
Amazon UK: Serious Mass Cookies & Cream 5.45kg
Amazon UK: Serious Mass Strawberry listing with pack-size conflict
Optimum Nutrition UK: Serious Mass range and flavour-specific nutrition
NHS: healthy ways to gain weight
These features explain the choice; individual fit, taste and health suitability can differ. Current stock, price and seller terms belong to the specific listing.
Read the context.
Explore the topic and make the product details useful.
A different way to meet the need.
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Gold Standard 100% Whey Protein Powder
A good fit for Filling an actual dietary protein gap with a flavoured whey shake and a clearly identified pack.
A whey-isolate, concentrate and hydrolysed-isolate blend, checked here in Vanilla Ice Cream. The pictured 900 g tub states 30 servings and the retailer declares 24 g protein per serving; these figures identify this flavour rather than the whole range.
Read the ingredient evidence.
Whey protein — Adequate protein supports training adaptation; a whey supplement can help meet intake needs but is not necessary when diet already does so. Benefits, women’s context & cautions
These findings concern the stated ingredient or studied preparation. The finished formula and retail version may differ.
Impact Whey Isolate Powder
A good fit for A whey isolate format with several flavour choices.
An isolate-led dairy powder checked in the Natural Vanilla, 30-serving variant. The model identifies whey protein isolate; nutrition and allergens should be compared using the exact flavour panel rather than a range-wide headline.
Read the ingredient evidence.
Whey protein — Adequate protein supports training adaptation; a whey supplement can help meet intake needs but is not necessary when diet already does so. Benefits, women’s context & cautions
These findings concern the stated ingredient or studied preparation. The finished formula and retail version may differ.
Clear Whey Isolate - Blackcurrant 240 g
A good fit for Filling an assessed protein gap with a juice-style drink prepared with water.
A Blackcurrant clear whey-isolate drink powder declaring 20 g protein and 82 kcal per 24 g serving. It provides a fruit-flavoured alternative to a creamy protein shake when extra dietary protein is useful; it remains milk-derived.
Read the ingredient evidence.
Whey protein — Adequate protein supports training adaptation; a whey supplement can help meet intake needs but is not necessary when diet already does so. Benefits, women’s context & cautions
These findings concern the stated ingredient or studied preparation. The finished formula and retail version may differ.
Selected from published product specifications and ingredient information. Read the reason and fit for each pick. How we choose products
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