10% off £30 OR 15% off £40
Ultimate weight gain formula
50g protein per serving
25 vitamins & supplements
Pescatarian
Vegetarian
Discount codes cannot be used with this product
Optimum Nutrition Serious Mass Chocolate Peanut Butter 5.45kg
Serious weight gain requires serious calories. Optimum Nutrition Serious Mass is the ultimate weight gain formula.
Those who need the extra calories most often have the toughest time consuming enough of them. For many aspiring to be bigger, Serious Mass is the ultimate in weight gain formulas. With over 1,250 calories per serving to boost daily calorie intake, 50g high protein to support muscle growth and repair, over 250g carbohydrates, and now with 3g of added creatine per serving to support performance, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious – SERIOUS MASS.
Use anytime, it is quick, convenient and easy to prepare. Serious Mass is ideal between meals, after weight training as part of your recovery routine and before bed. Just mix two scoops of Serious Mass (330g) with 710ml of water to create a tasty, calorie-packed shake.
Full ingredients
Maltodextrin, Whey Protein Concentrate (milk), Calcium Caseinate (milk) (Emulsifier: Soy Lecithin), Fat-Reduced Cocoa Powder (2.3%), Flavouring, Minerals (Sodium Chloride, Dipotassium Phosphate, Ferric Pyrophosphate, Zinc Oxide, Cupric Gluconate, Manganese Sulphate, Chromium III Chloride Hexahydrate, Potassium Iodide), EGG Albumen, Medium Chain Triglycerides, Creatine Monohydrate, Choline Bitartrate, L-Glutamine, Glutamine Peptides [Wheat], Whey Powder (milk), 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). For allergens, see ingredients in bold.
May contain Soy, Nuts and Peanuts.
Always read the label before use
Per 100g / Per 2 scoops 334g | |
Fat | 1,7 g / 5,5 g |
of which saturates | 0,7 g / 2,4 g |
of which sugars | 7,7 g / 26 g |
Protein | 15 g / 50 g |
Salt | 0,47 g / 1,56 g |
Energy | 1582 kJ / 378 kcal / 5283 kJ /1263 kcal |
Carbohydrates | 75 g / 251 g |
Fibre | 1,0 g / 3,2 g |
Vitamin A | 192 µg (24%)* / 640 µg (80%)* |
Vitamin D | 1,2 µg (24%)* / 4,0 µg (80%)* |
Vitamin E | 2,7 mg (22%)* / 9,0 mg (75%)* |
Vitamin C | 19 mg (24%)* / 64 mg (80%)* |
Thiamin | 0,27 mg (24%)* / 0,89 mg (81%)* |
Riboflavin | 0,34 mg (25%)* / 1,1 mg (82%)* |
Niacin | 3,9 mg (24%)* / 13 mg (81%)* |
Vitamin B6 | 0,33 mg (24%)* / 1,1 mg (79%)* |
Folic Acid | 45,1 µg (23%)* / 151 µg (75%)* |
Vitamin B12 | 2,2 µg (88%)* / 7,4 µg (294%)* |
Biotin | 11 µg (22%)* / 37 µg (75%)* |
Pantothenic Acid | 1,4 mg (23%)* / 4,5 mg (75%)* |
Calcium | 179 mg (22%)*/ 600 mg (75%)* |
Phosphorus | 159 mg (23%)* / 532 mg (76%)* |
Magnesium | 85,8 mg (23%)* / 287 mg (76%)* |
Iron | 5,4 mg (39%)* / 18 mg (129%)* |
Zinc | 3,2 mg (32%)* / 11 mg (106%)* |
Copper | 0,41 mg (41%)* / 1,4 mg (136%)* |
Manganese | 0,60 mg (30%)* / 2,0 mg (100%)* |
Selenium | 17 µg (30%)* / 46 µg (101%)* |
Chromium | 14 µg (34%)* / 46 µg (114%)* |
Iodine | 44,9 µg (30%)*/ 150 µg (100%)* |
Creatine | 0,9 g / 3,0 g |
Fluoride | 1,0 mg (30%)* / 3,5 mg (100%)* |
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 2 heaped scoops (330 g) of Serious Mass to a blender filled with 710 ml 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. TIP: New users may find it beneficial to begin with ½ a serving daily for the first week and then gradually increase to 1 or more full servings several times a day.
4.5
55 reviews
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
Pros mentioned
Protien powder
Beat flavour
Kizzy - 7 months ago
Verified Purchaser
10/10
Tastes really good done in a blender without a blender it can be quite lumpy
Conn - a year ago
Verified Purchaser
Great
Great
Andrew - a year ago
Verified Purchaser
Product name
Price
Rating
Flavour
Quantity and format
Suitable for
£58.00
£65.00
£1.06/100 g
Flavour
Chocolate Peanut Butter
Quantity and format
5450 gSuitable for
Pescatarian, Vegetarian
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.