Optimum Nutrition Serious Mass 5.45kg

£54.99 £44.58

Serious Mass is the ultimate in weight gain formulas. Serious Mass supplies you with the tools you need to pack on the pounds and develop the physique you’ve always wanted.

  • Container Size: 5.45 g
    • Serving Size: 2 Scoops (334 g)
    • Servings Per Container: 16

Nutritional Information Per Serving (Based on Chocolate Flavour)

  • Energy: 1252 kcal / 5247 kJ
  • Protein: 49.9 g
  • Total Carbohydrates: 252.1 g
    • of which Sugars: 21.3 g
    • of which Dietary Fiber: 2.8 g
  • Fat: 4.8 g
    • of which Saturates: 1.9 g
  • Salt: 1.238 g

Amounts Per Serving

  • Vitamin A: 299 mcg
  • Vitamin D: 2 mcg
  • Vitamin E: 4 mg
  • Vitamin C: 22 mg
  • Thiamin: 0.5 mg
  • Riboflavin: 0.6 mg
  • Niacin: 7 mg
  • Vitamin B6: 0.7 mg
  • Folic Acid: 71 mcg
  • Vitamin B12: 0.5 mcg
  • Biotin: 55 mcg
  • Pantothenic Acid: 2 mg
  • Potassium: 1397 mg
  • Chloride: 653 mg
  • Calcium: 351 mg
  • Phosphorus: 167 mg
  • Magnesium: 83 mg
  • Iron: 4 mg
  • Zinc: 3 mg
  • Copper: 0.65 mg
  • Manganese: 0.5 mg
  • Selenium: 34 mcg
  • Chromium: 130 mcg
  • Iodine: 51 mcg
  • Sodium: 495 mg


  • Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumin),Fat Reduced Cocoa Powder, Flavorings, Mineral Blend (DiPotassium Phosphate, Sodium Chloride, Ferric Pyrophosphate, Zinc Oxide Copper Gluconate, Manganese Sulphate, Chromium Chloride Hexahydrate, Potassium Iodine), Medium Chain Tri-glycerides, Creatine Monohydrate, Choline Bitartrate, L-glutamine, Glutamine Peptides (gluten), whey powder, inositol, vitamin blend (ascorbic acid, vitamin E-acetate, niacinamide, biotin, vitamin A-acetate), calcium-D-pantothenate, pyridoxine hydrochloride, folic acid, cholecalciferol, thiamine hydrochloride, riboflavin, vitamin b12, sweetener (sucralose)

Recommended Use

  • Add two heaping scoops (334 g) of serious muscle mass to a large blender filled with 24 fl. oz. of cold water or milk.
  • If desired, add ice and other ingredients, cover and blend on a high speed for 45-60 seconds – or until thoroughly mixed.
  • New users may find it beneficial to begin with one half of a serving daily for the first week, gradually increasing to one or more full servings several times a day.

Suitability / Allergen Information

  • Contains: gluten, egg, milk
  • May contain: peanuts, soy, nuts

Warnings: Please consult your physician first (especially if you have a medical condition). Do not use if you are pregnant, lactating or under the age of 18. If anxiety, dizziness, headaches, nausea, stomach pain, heart palpitations or depression is a result, lower dosage or discontinue use. Drink at least 8-12 glasses of water per day to ensure adequate hydration. Do not exceed the recommended daily intake. Food supplements should not be used as a substitute for a varied, balanced diet and healthy lifestyle. Keep this product in a cool, dry place out of reach of children.

Additional information


Banana, Chocolate, Cookies & Cream, Strawberry, Vanilla


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