Optimum Nutrition
Serious mass
Serious mass
2.7kg / Chocolate
Melsfit store
rue de Lyon 10
1201 Geneve
Switzerland
Le Flon (Lausanne)
Rue de Genève 21
1003 Lausanne
Switzerland
Serious Mass is the ultimate in weight gain formulas.
With 1,250 calories per serving and 50 grams of protein to support muscle recovery, this instant powder is the perfect post-workout and between-meal shake to achieve your goals.
Serious Mass gives you the tools you need to put on the pounds and help you build the physique you've always wanted.
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