Optimum Nutrition Serious Mass is the ultimate weight gain formula. If you find it difficult to gain weight, Serious Mass can help you develop the physique you've always wanted! Without adequate calories and quality protein, you simply can’t get any bigger, without enough fuel and muscle-building nutrients like protein, you simply won’t grow!

Each delicious shake delivers an incredible 1,250 calories, but no added sugar. This includes 50g of blended protein to support building muscle and 250g of carbs to fuel your workouts. That’s serious calories, serious protein and serious carbs...that’s Serious Mass!

Nutritional Information

• Container Size: 5.45 g
  

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

• Energy: 1266 kcal / 5297 kJ
• Protein: 50 g
• Total Carbohydrates: 252 g
  • of which Sugars: 26 g
  • of which Dietary Fiber: 0.6 g
• Fat: 6.2 g
  • of which Saturates: 3.2 g
• Salt: 3.4 g
• Vitamin A: 306 µg
• Vitamin D: 1.9 µg
• Vitamin E: 3.6 mg
• Vitamin C: 22 mg
• Thiamin: 0.53 mg
• Riboflavin: 0.67 mg
• Niacin: 6.9 mg
• Vitamin B6: 0.76 mg
• Folic Acid: 75.2 µg
• Vitamin B12: 12 µg
• Biotin: 56 µg
• Pantothenic Acid: 2.2 mg
• Potassium: 302 mg
• Chloride: 1099 mg
• Calcium: 417 mg
• Phosphorus: 189 mg
• Magnesium: 17.4 mg
• Iron: 1.4 mg
• Zinc: 0.81 mg
• Copper: 0.10 mg
• Manganese: 0.17 mg
• Chromium: 39 µg
• Iodine: 15.3 µg
• Sodium: 416 mg

• Cookies & Cream:
  • Maltodextrin, Whey Protein Concentrate, Calcium Caseinate (Emulsifier; Soy Lecithin), Flavourings, Cookie Crumb (1.4%) (Wheat Flour [Gluten], Sugar, Fully Hydrogenated Vegetable Fats; Palm and Rapeseed in varying proportions; Fat-Reduced Cocoa Powder), EGG Albumen, Sodium Chloride, Medium Chain Triglycerides, Dipotassium Phosphate, Creatine Monohydrate, Choline Bitartrate, L-Glutamine, Glutamine Peptides [Gluten], Whey Powder, Inositol, Vitamin Blend (L-Ascorbic Acid, Nicotinamide, DL-Alpha-Tocopheryl Acetate, Calcium D-Pantothenate, Pyridoxine Hydrochloride, Riboflavin, Thiamin Hydrochloride, Retinyl Acetate, Pteroylmonoglutamic Acid, D-Biotin, Cholecalciferol, Cyanocobalamin), Sweetener (Sucralose), Magnesium Oxide, Potassium Chloride, Ferric Pyrophosphate, Zinc Oxide, Cupric Gluconate, Manganese Sulphate, Chromium (III) Chloride Hexahydrate, Potassium Iodide

Directions

Add two heaped scoops (334g) of Serious Mass to a blender filled with 710 ml (24 ounces) of water. Blend for 45-60 seconds. Then add a few ice cubes and, if desired, other calorie contributing ingredients and blend for an additional 30-45 seconds.

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Cut off Time 

Our cut off time for same day dispatch is 3 pm. All orders placed after 3pm will be dispatched the next working day. 

When Will My Order Arrive? 

Standard Shipping on items less than 3kg will be shipped via Royal Mail on a 48-72 hour delivery service. Items over 3kg will be sent via DPD 2 working day service.

Next working day service is shipped via DPD.

Damaged? Missing Items

We pride ourselves on delivering a high quality service and in the unfortunate situation where a parcel may been damaged in transit please contact us as soon as you receive your order. In some circumstances we do require pictures to be emailed in order to either credit or refund. If no pictures are provided then any claims will be rejected. If you can see damage to the parcel upon delivery please reject the delivery and sign the parcel as damaged.

If an item is missing from your order please contact us as soon as the order has been opened and contact us on 0113 345 9344 so that we can launch an investigation. If the wrong item has been sent please contact us to let us know which item has been sent so that we can resolve the issue for you.  

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