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World Of Health Fitness & Wellbeing

Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins & Minerals, High Calorie Mass Gainer, Vanilla Flavour, 8 Servings, 2.73Kg, Packaging May Vary

Serious Mass Protein Powder with Creatine, Glutamine, 25 Vitamins & Minerals, High Calorie Mass Gainer, Vanilla Flavour, 8 Servings, 2.73Kg, Packaging May Vary

Regular price £39.99
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Flavour Name
  • 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
  • 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

Product Description

Optimum Nutrition has been helping performance-focused athletes for over 35 years achieve their goals. This time, we bring you the intense and dialled-up version of our muscle-building and weight gain formula. Meet the Serious Mass high-calorie protein powder, designed for true sports enthusiasts and high-performance athletes. Serious Mass is the ultimate muscle-building and mass gainer formula. This protein powder makes the ideal post-workout and between meals shake for sizing up your goals. Every serving of this mass gainer contains 25 essential vitamins and minerals (including vitamin D, B12, E, Biotin and Magnesium), over 1,250 calories to boost your calorie intake, 50 grams of protein to support muscle growth* and 250 grams of carbohydrates helping support muscle recovery**. Plus, every serving has also been enriched with 3 grams of creatine monohydrate that increases your physical performance during high-intensity exercise***. Designed for the goal-focused athlete, our ON Serious Mass High Calorie Weight Gainer protein powder comes in 6 great tasting flavours: banana, chocolate peanut butter, chocolate, cookies & cream, strawberry and vanilla. Blend this quality protein with fruit or nut butter for extra calories and discover your optimum taste combination. Serious Mass is quick, convenient, and easy to prepare: simply mix 2 heaped scoops with 710 ml of water or plant milk. Use it after intense training as a part of your recovery routine, between meals, and before bed to add calories, carbs, and protein to your healthy, balanced diet. * Source: EFSA Journal 2010;8(10):1811; 2011;9(6):2203 ** Source: EFSA Journal 2011;9(6):2211 ***Source: EFSA Journal 2011;9(7):2303


Maltodextrin, WHEY Protein Concentrate [MILK], Calcium CASEINATE [MILK], Flavourings, Creatine Monohydrate, MILK Mineral Complex, Medium Chain Triglycerides [MILK], EGG Albumen, Dipotassium Phosphate, Sodium Chloride, Vitamin & Mineral Blend (Sodium L-Ascorbate, Ferric Pyrophosphate, D-Alpha-Tocopheryl Acetate, Nicotinamide, Zinc Oxide, Retinyl Acetate, Calcium D-Pantothenate, Sodium Fluoride, Manganese Sulphate, Potassium Iodate, Cyanocobalamin, D-Biotin, Chromium (III) Chloride, Pteroylmonoglutamic Acid, Cholecalciferol, Sodium Selenite, Cupric Citrate, Pyridoxine Hydrochloride, Thiamine Hydrochloride, Phylloquinone, Riboflavin, Sodium Molybdate), Glutamine Peptides [WHEAT GLUTEN], L-Glutamine, Magnesium Oxide, WHEY Powder [MILK], Inositol, L-Ascorbic Acid, Sweetener (Sucralose), Antioxidant (Tocopherol-Rich Extract), Calcium D-Pantothenate, Pteroylmonoglutamic Acid.


Mix two heaped scoops of Pro Complex with 12 to 14 oz. of your favourite beverage. Take two to three servings per day or use as recommended by a physician or licensed nutritionist.

Safety Warning

Always reseal after use, keep in cool dry place.

Legal Disclaimer

Food supplements should not be used as a substitute for a varied diet. Do not exceed stated recommended daily dose. Keep out of reach of young children. Storage: always reseal after use, keep in a cool dry place.

Box Contains

1 x Weight gain powder 2.72 kg
1 x Serving scoop

Manufacturer Contact Information

4 Waterside, Dublin 24, Ireland

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