Optimum Nutrition Serious Mass 2.72kg pump based pre workout acting as an antioxidant and

acting as an antioxidant and enhancing the immune system

Contributes to the Reduction of Tiredness & Fatigue

Folic Acid

L-Carnitine is a non-essential amino acid that assists with the transport of long-chain fatty acids into cells and helps them be utilized as energy

it is treated as a rejuvenating agent

Optimum Nutrition Serious Mass 2.72kg pump based pre workout acting as an antioxidant andSerious Mass is the ultimate weight gain formula.* With 1,250 calories per serving and 50 grams of protein for muscle recovery, this instantized powder makes a sizable post workout and between meals shake.* Serious Mass gives you the tools you need to pack on pounds and when coupled with serious weight training develop your physique to the fullest.* BEYOND THE BASICS: Adding Calories Has Never Been This Easy or Tasted So Good 1,250 Calories 50 Grams