Weider Giant Mega Mass 4000 Strawberry, 9.77 lb

Weider Giant Mega Mass 4000 Nutrient and Complex Carb Rich Gainer. The Ultimate In Weight Gainers. Mega Mass 4000 has been nominated for weight gainer of the year in the industry for the last five years. If you're serious about gaining weight, increasing size, and exploding strength, then Mega Mass 4000 is the ultimate supplement.