15% off £20
18+
Exercise & Performance
Supports muscle building & weight gain
Helps boost calorie intake
3g added Creatine to support performance
Discount codes cannot be used with this product
Optimum Nutrition Serious Mass Chocolate 5.4kg
Current price: £65.00
£1.20/100 g
Per serving (334g)
Protein
50g
Energy
1263Kcal (378/100g)
Fat
5.5g (saturates 2.4g)
Carbs
251g
Salt
1.56g
Sugars
26g
What Is It:
A high‑calorie weight gainer that supports muscle building and weight gain, delivering 1,250 calories per serving to help boost calorie intake. Formulated for those who struggle to consume enough food, Serious Mass supplies concentrated macronutrients to assist substantial mass gain.
Key Benefits:
How To Use:
Add 334 g (~ 2 heaped scoops) to a blender filled with 710 ml of water and blend for 30–45 seconds until thoroughly mixed. Store in a cool, dry place.
Key Ingredients:
Key actives per serving: 50 g high protein to help build and maintain muscle, over 250 g carbohydrates to help support muscle recovery and refuel glycogen, plus 3 g added creatine to help support performance.
Full 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.For Allergens - See ingredients in bold.
May contain soy, nuts, and peanuts.
For allergens, see ingredients in bold.
Always read the label before use
| Per 100g / Per 334g Serving | ||
|---|---|---|
| Energy | 1582kJ / 5284kJ / 378kcal / 1263kcal | *0% |
| Fat | 1.7g / 5.5g | *0% |
| of which saturates | 0.7g / 2.4g | *0% |
| Carbohydrates | 75g / 251g | *0% |
| of which sugars | 7.7g / 26g | *0% |
| Protein | 15g / 50g | *0% |
| Salt | 0.47g / 1.56g | *0% |
| Vitamin A | 192 μg / 640 μg | *0% |
| Vitamin D | 1.2µg / 4.0µg | *0% |
| Vitamin E | 2.7mg / 9.0mg | *0% |
| Vitamin K | 22µg / 75µg | *0% |
| Vitamin C | 19mg / 64mg | *0% |
| Thiamin | 0.27mg / 0.89mg | *0% |
| Riboflavin | 0.34mg / 1.1mg | *0% |
| Niacin | 3.9mg / 13mg | *0% |
| Vitamin B6 | 0.33mg / 1.1mg | *0% |
| Folic Acid | 45.1µg / 151µg | *0% |
| Vitamin B12 | 2.2µg / 7.4µg | *0% |
| Biotin | 11µg / 37µg | *0% |
| Pantothenic Acid | 1.4mg / 4.5mg | *0% |
| Calcium | 180mg / 600mg | *0% |
| Phosphorus | 159mg / 532mg | *0% |
| Magnesium | 85.8mg / 287mg | *0% |
| Iron | 5.4mg / 18mg | *0% |
| Zinc | 3.2mg / 11mg | *0% |
| Copper | 0.41mg / 1.4mg | *0% |
| Manganese | 0.60mg / 2.0mg | *0% |
| Fluoride | 1.0mg / 3.5mg | *0% |
| Selenium | 17µg / 55µg | *0% |
| Chromium | 14µg / 46µg | *0% |
| Molybdenum | 17µg / 57µg | *0% |
| Iodine | 44.9 μg / 150 μg | *0% |
| Creatine | 0.9g / 3.0g | *0% |
May contain soy, nuts, and peanuts.
To be used in the framework of a
varied and balanced diet and a healthy lifestyle.
We go to great efforts to ensure that the information on this page is accurate at the time that the page was last edited. As we are constantly reviewing and developing our products to meet our consumer needs, consumers, particularly those that suffer from allergies and intolerances, should always check product labelling, warnings, and directions provided with the product that is delivered, prior to use or consumption.
Add 334 g (~ 2 heaped scoops) to a blender filled with 710 ml of water. Blend for 30-45 seconds.
Store in a cool, dry place.
364 reviews
Excellent
N/A - 4 days ago
Great quality and fair price
O3 - 18 days ago
Great taste. Blends easily.
Steel City Rose - 19 days ago
تحویل عالی بود
سام - 25 days ago
Customer reviews below are moderated for offensive content only. They are not medical advice, should not be relied upon, and are not endorsed by Holland & Barrett. For health issues or product suitability, consult a health professional. Products are not medicinal unless stated otherwise. Find out more
Current price: £65.00
£1.20/100 g
Flavour
Chocolate
Quantity and format
5400 gSuitable for
-Ingredients
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We go to great efforts to ensure that the information on this page is accurate at the time that the page was last edited. As we are constantly reviewing and developing our products to meet our consumer needs, consumers, particularly those that suffer from allergies and intolerances, should always check product labelling, warnings, and directions provided with the product that is delivered, prior to use or consumption.