JYM supplements combine scientific research with premium ingredients at precise doses to bring you the best possible results. Mass JYM is the ultimate lean mass gainer. With both a 1 scoop and 2 scoop serving, you can customize Mass JYM to fit your personal fitness goals or diet requirements. Combining only premium protein sources and a complex carbohydrate blend, Mass JYM is made for one thing: building serious size. Unlike most mass gainers on the market, you won’t find low-quality concentrate protein in Mass JYM, only the highest-quality ingredients that produce incredible results.

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