

Optimum Nutrition Serious Mass Chocolate is a high-calorie mass gainer designed for serious athletes. Each serving provides 1250 calories and 50g of protein to support muscle building and recovery. Simply blend two scoops with water for a convenient post-workout shake.
Product Overview:
A performancefocused weightgain formula delivering 1,250 calories, over 250 g carbohydrates, 50 g protein and 3 g added creatine per serving, formulated to support muscle building, recovery and ongoing training performance.
Performance Benefits:
Active Ingredients That Matter:
50 g highquality protein per serving to support muscle building and repair; over 250 g carbohydrates for glycogen replenishment and recovery; 3 g added creatine per serving to support performance and shortterm highintensity exercise; 1,250 kcal boosts daily energy intake.
How To Use:
Add 334 g (approximately two heaped scoops) to a blender filled with 710 ml of water. Blend for 30-45 seconds. Store in a cool, dry place.
Ingredients:
Maltodextrin, WHEY Protein Concentrate [MILK], Calcium CASEINATE [MILK], Fat-Reduced Cocoa Powder, Creatine Monohydrate, Flavouring, MILK Mineral Complex, Medium Chain Triglycerides [MILK], EGG Albumen, Sodium Chloride, Dipotassium Phosphate, 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.
Advisory Information:
May contain soy, nuts, and peanuts.
Always read the label. This is an AI assisted summary.
Nutritional Information
| Per 100g | Per 334g Serving | |
|---|---|---|
| Energy (kJ) | 1582kJ | 5284kJ |
| Energy (kcal) | 378kcal | 1263kcal |
| Fat | 1.7g | 5.5g |
| - of which saturates | 0.7g | 2.4g |
| Carbohydrates | 75g | 251g |
| - of which sugars | 7.7g | 26g |
| Protein | 15g | 50g |
| Salt | 0.47g | 1.56g |
| Vitamin A | 192 g | 640 g |
| Vitamin D | 1.2µg | 4.0µg |
| Vitamin E | 2.7mg | 9.0mg |
| Vitamin K | 22µg | 75µg |
| Vitamin C | 19mg | 64mg |
| Thiamin | 0.27mg | 0.89mg |
| Riboflavin | 0.34mg | 1.1mg |
| Niacin | 3.9mg | 13mg |
| Vitamin B6 | 0.33mg | 1.1mg |
| Folic Acid | 45.1µg | 151µg |
| Vitamin B12 | 2.2µg | 7.4µg |
| Biotin | 11µg | 37µg |
| Pantothenic Acid | 1.4mg | 4.5mg |
| Calcium | 180mg | 600mg |
| Phosphorus | 159mg | 532mg |
| Magnesium | 85.8mg | 287mg |
| Iron | 5.4mg | 18mg |
| Zinc | 3.2mg | 11mg |
| Copper | 0.41mg | 1.4mg |
| Manganese | 0.60mg | 2.0mg |
| Fluoride | 1.0mg | 3.5mg |
| Selenium | 17µg | 55µg |
| Chromium | 14µg | 46µg |
| Molybdenum | 17µg | 57µg |
| Iodine | 44.9 g | 150 g |
| Creatine | 0.9g | 3.0g |