MET-Rx Size Up MSM Potassium Nitrate is the ultimate

Potassium Nitrate is the ultimate Nitrate product as it contains efficacious doses of potent Nitrates

Warnings: Allergens: soy and wheat

This ultimately provides optimal muscle-tissue saturation through an exclusive array of three pure

Calcium (Calcium Citrate and Amino Acid Chelate)

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MET-Rx Size Up MSM Potassium Nitrate is the ultimateMET Rx Xtreme size up has one of the highest protein contents per serving on the market. Providing 60g of protein and 600 calories per 4 scoop serving, xtreme size up should be your only choice for serious mass gaining! If you are one of those people who have a tough time packing on solid, powerful mass, try met rx xtreme size up, specially designed for hard gainers who want to gain weight and pack on mass. MET Rx xtreme size up features four