- CALORIE RICH PROTEIN SOURCE – the ultimate gainer powder which can be used post-workout or between meals
- SUPPORTS SERIOUS SIZE – great for those aspiring to be bigger, for those who find it hard to gain weight / muscle, or for those on the go who have high caloric needs due to intense training
- 1,255-1272 CALORIES per serving – when mixed with water
- 50 g – 53 g PROTEIN per serving
- 250 g+ CARBOHYDRATES per serving
- ADDED CREATINE, L-GLUTAMINE & GLUTAMIC ACID
- INSTANTISED POWDER – helps the powder dissolve easily and mixes well in a blender with other ingredients such as fruit and nut butters for added calories
- 24 VITAMINS & MINERALS per serving
- NO ADDED SUGAR
- AVAILABLE IN 6 LB TUBS OR 12 LB BAGS
Weight Gainers
Optimum Nutrition Serious Mass Protein Powder High Calorie Mass Gainer with Vitamins, Creatine and Glutamine, Vanilla, 8 Servings, 2.73 kg, Packaging May Vary
Original price was: £36.99.£30.00Current price is: £30.00. (as of 03/30/2026 03:32 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)
CALORIE RICH PROTEIN SOURCE – the ultimate gainer powder which can be used post-workout or between meals
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