Whey Protein Concentrate
A fast-digesting complete protein that supports muscle building and recovery.
1 / 6
- Servings
- 16
- Price/serv
- 23.44
- Price
- 375.00
- Format
- Powder
- Servings
- 16
- Price/serv
- 23.44
- Price
- 375.00
- Format
- Powder
Optimum Nutrition5.0· 1 review
Optimum Nutrition Serious Mass Weight Gainer Chocolate 12 LB
5.0(1)375.00
(VAT incl.)
23.44 per serving
318.75 with code MARHABA15
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1
- 1,260 calories per serving for aggressive mass gain
- 50g of high-quality protein to build and repair muscle tissue
- Up to 253g of carbohydrates for sustained energy and recovery
Benefits
- Energy & Vitality
- Muscle & Performance
- Weight Management
FormPowder
Volume5443.1 g
Allergy informationContains:Milk
For allergens, including cereals containing gluten, see ingredients highlighted in bold. May contain traces of gluten, egg, nuts, and peanuts.
Certifications & quality
- Informed Choice
100% Authentic Guaranteed
100% Authentic · Verified Supply Chain
Sourced directly from the brand or its authorised distributor — never third-party resellers.
Payment methods
Optimum Nutrition Serious Mass is designed for athletes and hardgainers who struggle to consume enough calories through food alone and need support building muscle mass. Each serving delivers 1,260 calories, 50g of protein, and up to 253g of carbohydrates, plus 5g of creatine monohydrate to support strength and performance. The 12 LB container provides approximately 16 servings of chocolate-flavored shake that you can mix with water or milk.
Corn Maltodextrin — primary carbohydrate source delivering up to 253g of carbs per serving for sustained energy and glycogen replenishment.
Whey Protein Concentrate (Milk) — supplies 50g of high-quality complete protein per serving to drive muscle protein synthesis and recovery.
Creatine Monohydrate — 5g per serving to enhance strength, power output, and lean mass gains backed by extensive sports nutrition research.
Medium Chain Triglycerides (MCTs) — a readily absorbed fat source that contributes additional calorie density without excess bulk.
Mineral Complex — includes magnesium, iron, zinc, manganese, selenium, iodine, copper, chromium, and molybdenum to support metabolic functions and overall athletic health.
Vitamin Blend — a full spectrum of 25 essential vitamins including Vitamin C, Vitamin E, B-complex vitamins, Vitamin A, and Vitamin D for comprehensive nutritional support.
Emulsifier — Lecithins (contains Soy) — ensures smooth mixing and consistent texture with every shake.
Reviews(1)
From the product label.
Fits your routine
Iron · 9mg
per 2 Scoops (340g)
- Sodium 650mg
- Biotin 60 mcg
- +18 more in Nutrition Facts
Label directions: Mix 340g (about two heaping scoops) with cold water, milk, or other beverage in a blender for 30 to 45 seconds until dissolved.
- Slot
- Morning
From the product label. A planning tool, not medical advice. You can change everything afterwards.
Key Ingredients(4)
Creatine Monohydrate
Supports strength, power, and overall athletic performance.
Carbohydrates
Provides energy to fuel intense workouts and aids in the replenishment of glycogen stores.
Glutamine
An amino acid that occurs naturally to support muscle recovery.
Nutrition Facts
Nutrition Facts
16 servings per container
Serving Size2 Scoops (340g)
Amount Per Serving
Calories 1260
% Daily Value*
Sodium650mg
Total Carbohydrate253g
Protein50g
Calcium700mg
Iron9mg
Potassium1370mg
Biotin†60mcg
Folate†170mcg DFE
Folic Acid†100mcg
Iodine†23mcg
Magnesium†200mg
Riboflavin†0.9mg
Manganese†0.6mg
Vitamin A†340mcg RAE
Vitamin B12†1.55mcg
Vitamin B6†0.4mg
Vitamin C†30mg
Niacin†4mg
Vitamin E†4mg
Zinc†3.7mg
Thiamin†0.4mg
Pantothenic Acid†3mg
Other Ingredients:
Maltodextrin, Alkalinized Cocoa, Natural Flavor, Artificial Flavor, Sunflower Lecithin, Soy Lecithin, Acesulfame Potassium, Sucralose
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.
How to Use
Mix 340g (about two heaping scoops) with cold water, milk, or other beverage in a blender for 30 to 45 seconds until dissolved. New users may find it beneficial to begin with half a serving for the first week and then gradually increase to a full serving. For best results, consume regularly over time in combination with regular resistance exercise.
Specs last updated: October 26, 2026
