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 · 24 reviews)

Victoria P. ★★★★★

First tried this to help get my lifts back up after a long break, and the mixability is way better than I expected—no clumps when shaken with milk. Each serving packs enough calories and that 3g of creatine to actually feel the difference in recovery.

Ava ★★★★★

I was skeptical about the taste for a weight gainer, but the chocolate flavor is genuinely good and mixes easily with just water. A single shake gives me over 1,200 calories and 50 grams of protein, which is exactly what I need post-workout. It's thick and filling without being chalky.

Daniel I. ★★★★★

Been using this as my post-workout shake for a month now, and the 1250 calories per serving really help me hit my bulking goals without feeling overly full. The powder mixes smoothly in a shaker bottle, though I'll admit it's a bit thick if you don't add enough water. Noticed some improvement in my recovery times since starting it.

Scarlett ★★★★★

Mixes up super thick in milk, almost like a milkshake, and the 1,250 calories per serving are a game-changer for someone like me who struggles to keep weight on. I’ve noticed a real difference in my energy during workouts after a few weeks of using it.

Amelia U. ★★★★★

The chocolate flavor is rich without being overly sweet, which makes it easy to drink even when I’m not super hungry. Each serving packs a serious calorie punch for bulking, and I’ve noticed steady weight gain after a few weeks. It mixes fairly smoothly with water too, though I prefer it thicker with almond milk.

Samuel ★★★★★

I mix this with whole milk and a banana for breakfast, and it blends smooth without any chalky lumps. The 1,250 calories per serving really does make a difference in how full I feel through the morning.

Sophia ★★★★★

Tried this as a post-workout shake and a meal replacement on heavy training days; the chocolate flavor blends smoothly with just water and doesn't leave that chalky aftertaste. At 6 pounds, it's lasted me over a month of consistent use, and I've definitely noticed improved recovery since adding it.

Penelope ★★★★★

This weight gainer actually helps me meet my calorie goals without feeling overly full, and I've noticed a solid boost in my recovery after workouts. The chocolate taste is decent mixed with milk, not too chalky like some others I've tried.

Amelia ★★★★★

The chocolate flavor blends smoothly with just water, no clumps, and the 1,250 calories per scoop are a game-changer for my bulking phase. I’ve actually put on a solid 4 pounds in two weeks without feeling overly stuffed.

Daniel I. ★★★★★

I usually struggle to get all my calories in, but this powder mixes easily even with just water. The chocolate flavor is actually pretty good, not too artificial tasting. Just wish the scoop was bigger so I didn't have to measure out four scoops every time.