🚀 Bulk up like a pro with Serious Mass—because your gains deserve the serious edge.
Optimum Nutrition Serious Mass 5.4kg Strawberry is a high-calorie mass gainer powder designed for adults seeking rapid muscle and weight gain. Each serving delivers 1,250 calories, 50g of protein, and 250g of carbs, making it ideal for post-workout recovery or between meals. The powder mixes easily into a delicious strawberry shake and includes a free shaker bottle for convenience. Made in the UK, it contains milk, eggs, soy, and wheat allergens.
| Allergen Information | Contains: Milk, Eggs, Soy, Wheat |
| Weight | 5.4 Kilograms |
| Units | 5400 gram(s) |
| Brand | Serious Mass |
| Format | Powder |
| Age Range Description | Adult |
| Country of origin | United Kingdom |
E**T
I have been having this for 7 years and hear are my results
I was 6 stone 7 years ago when I started weight training I have used this and trained like an animal and with in 2years off doing this I went from 6 stone to 9 and i have just kept gaining weight I have 2 a day and a big meal and now I weight 12stone so it does work but slowly you are not gunna gain 4 stone in 3month and if you dont exercise whilst using this it will leave you feeling bloated and fat. Very good product I stand buy it
E**Y
Good
Good
Trustpilot
3 weeks ago
2 days ago
