If you’re ready to get serious about packing on big-time muscle, then you need Serious Mass Weight Gainer.
What is Serious Mass?
ON Serious Mass is a well-rounded weight gaining formula with a whopping 1,250 calories per serving. But it’s not just a calorie bomb — there’s also 50 grams of protein, creatine, glutamine, zero added sugar, and much more.
ON Serious Mass features:
- Loaded with calories at 1,250 per serving
- 50g blend of whey and casein protein
- 25g vitamin and mineral complex
- Creatine & Glutamine for extra strength and recovery
- No added sugar!