optimumnutrition

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, - Main image
$16.50 $54.99 In stock

Category: POWDERS

Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Chocolate, 6 Pound (Packaging May Vary) - POWDERS - Sold by optimumnutrition. Free US shipping, 30-day return policy. Quality products you can trust.

Customer Reviews (4.5 / 5 · 42 reviews)

Richard ★★★★★

I mix this with whole milk after dinner and it actually tastes like a real chocolate shake, not a chalky mess. The 1,250 calories per serving make it easy to hit my surplus without forcing down extra meals.

Penelope ★★★★★

I’ve been using this as a post-workout shake, and the 1,250 calories per serving really helps me hit my bulking goals. The chocolate flavor mixes smoothly with milk and doesn’t leave a gritty aftertaste like other weight gainers I’ve tried.

Evelyn J. ★★★★★

Was a bit worried it would be too sweet or chalky like other mass gainers, but the chocolate flavor mixes smooth with just water and doesn't leave that weird aftertaste. One scoop in my post-workout shake gives me that full, sustained energy without feeling overly stuffed.

Aurora H. ★★★★★

Mixes surprisingly well in cold water with just a fork, no blender needed. The chocolate flavor is decent and not overly sweet, and I've definitely noticed better recovery since adding this to my routine.

Robert U. ★★★★★

Been drinking this after heavy leg days and the chocolate flavor is actually pretty good mixed with milk, not too chalky. Noticed I'm recovering faster and finally gaining weight after struggling for weeks. The 6-pound tub lasts a solid month which makes the price feel fair.

Sofia V. ★★★★★

I've been using this after heavy lifting sessions and the 1,250 calories per serving really helps me hit my daily surplus goal. The powder blends well with milk in a shaker bottle, and the extra vitamin C and zinc are a nice bonus for immune support.

Natalie U. ★★★★★

The powder mixes surprisingly well in just a shaker bottle with no clumps, which makes post-workout recovery way less of a chore. I'm already noticing a difference in my energy levels during afternoon lifts after using this for two weeks straight.

Hannah G. ★★★★★

I was skeptical about the taste for a weight gainer, but the chocolate flavor mixes smoothly and doesn't have that chalky aftertaste. A single serving makes it easy to hit my calorie goals without feeling overly full.

Julian B. ★★★★★

Finally getting consistent gains after switching to this — the 1,250-calorie serving is no joke, and mixing it with whole milk actually tastes decent. The powder blends fairly smooth with a shaker bottle, no clumps.

Olivia Y. ★★★★★

Bought this to help me hit my calorie surplus goals, and the chocolate flavor mixes really smoothly with milk—no clumps. The 6-pound bag lasts a while, and I’ve noticed a solid boost in my recovery after heavy leg days.