ON Serious Mass 12lb Best Before 10/25-3/26 flavour:Strawberry 3/26 What most people don’t know

What most people don’t know is that arginine supplementation stimulates the activity of arginase

Includes - Gold Standard Pre Workout 30sv

thus making Diraxatone the perfect choice for athletes and seekers of maximum body definition

4 Grams of Naturally Occurring Essential Amino Acids per Serving

HOW: Serve size = 20g (2 level scoops)

ON Serious Mass 12lb Best Before 10/25-3/26 flavour:Strawberry 3/26 What most people don’t knowStrawberry Best Before 10 25 Banana Best Before January 2026 Strawberry Best Before March 2026 Every serve of Optimum Nutrition Serious Mass delivers over 1250 of nutrient loaded calories, that are blended with 50g of anabolic (muscle building) protein, from quality proteins such as ultra filtered whey protein concentrate, calcium caseinate, and egg albumen. Features:+ Serious Weight Gain Protein Formula+ 1,250 calories per serve+ 50g Protein High