SKU: 96383158203

Optimum Nutrition Serious Mass Chocolate 12 lbs (5,455 g)

Sale price$61.43 Regular price$68.26
Save 10%

Pay in installments of $17.07 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Optimum Nutrition Serious Mass Chocolate 12 lbs (5,455 g)The Bigger Picture of Weight Gainers: Serious weight gain requires serious calories. However, those who need the extra calories most, often have the toughest time consuming enough of them. For many aspiring to be bigger, highly active metabolisms, weaker appetites, and on the run lifestyles make consuming sufficient calories through whole foods alone a real challenge. With Serious Mass, you've got nothing to lose and lots to gain. We've consolidated

The Bigger Picture of Weight Gainers: Serious weight gain requires serious calories. However, those who need the extra calories most, often have the toughest time consuming enough of them. For many aspiring to be bigger, highly-active metabolisms, weaker appetites, and on-the-run lifestyles make consuming sufficient calories through whole foods alone a real challenge. With Serious Mass, you've got nothing to lose and lots to gain. We've consolidated over 1,250 calories, 50 grams of protein, 250-plus grams of carbohydrate, and 25 vitamins and minerals with added glutamine and creatine into every serving. It's time to stop thinking small; get serious-Serious Mass. 1,250 calories per serving in water; 1,630 calories when made with low fat milk. 50 grams of protein from a combination of faster and slower digesting sources including Whey, Casein, and Egg. 250-plus grams of carbohydrate to support fueling of intense workouts and aid in the replenishment of glycogen stores with NO ADDED SUGAR. Enhanced with Creatine, L-Glutamine and Glutamine Peptide, Choline, Inositol, PABA, and MCTs. 25 Vitamins and Essential Minerals with an emphasis on B-Vitamins and Antioxidants.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 96383158203

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 22 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
L
Verified Purchase
Lawrence Tuik
West Palm Beach, US
★★★★★ 5
Excellent quality & value
Size: X-Large, Color: Mg00- White
Love these hoodies, excellent for golf and the quality is excellent. I brought 3 already of these nice looking hoodies. I own many other Maelreg shirts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
I
Verified Purchase
Isaac Godbey
West Palm Beach, US
★★★★★ 5
The perfect casual layer—unbelievably soft!
Size: Large, Color: Burgundy
I am seriously impressed with this hoodie. It’s made from a lightweight jersey material that feels just like a broken-in, high-quality t-shirt. It’s perfect for those transitional weather days when a heavy fleece hoodie would be too warm, or for just lounging around the house. The fit is spot on—not too baggy but with enough room to move comfortably. It washes really well without shrinking or losing its shape. For the price, you absolutely cannot beat the value. I'll definitely be buying a few more colors!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
J
Verified Purchase
JimM
Boise, US
★★★★★ 5
The Perfect Hoodie for Warm Weather Comfort
Size: XX-Large, Color: Black
I've been on the lookout for something exactly like this... a hoodie with the look and feel of a sweatshirt, but without all that heavy fleece that can become uncomfortable when temperatures rise. This Amazon Essentials Lightweight Jersey Pullover Hoodie turned out to be just the solution I needed. Right out of the package, I noticed the material felt soft and airy, like a premium-quality T-shirt rather than a traditional hoodie. The lightweight fabric hits just the right balance: thin enough to remain cool and breathable, yet substantial enough to give you that hoodie vibe you're after. This makes it especially great when the weather is too warm for your thicker hoodies but still a bit too breezy for just a tee. The fit is exactly what I was hoping for... comfortable without being baggy, and relaxed enough to allow easy movement. It drapes nicely, so it never looks awkward or ill-fitting. The hood itself is perfectly sized—not overly bulky, but still practical if you need a bit of coverage. No shrinkage when washed and didn't fade. I've found this hoodie to be ideal for casual days around town, lounging, or even traveling. It layers well, making it versatile for spring, early summer evenings, or warmer fall days. If you're looking for something comfortable, lightweight, and stylish enough to pull off the hoodie look in warmer weather, this is absolutely worth picking up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 7, 2025
K
Verified Purchase
K
Waukegan, US
★★★★★ 5
My new favorite hoodie!
Size: XX-Large, Color: Charcoal Heather
I love this, this is my new go-to hoodie! It's very soft and breathable, it's roomy and comfortable, and it's not too heavy. I've washed it a few times and it's held up well. For the price, you really can't go wrong. I'll probably end up buying a couple more colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
J
Verified Purchase
JWM
Belleville, US
★★★★★ 4
Sleeves are too short
Size: Large, Color: Black
Good quality about as thick as heavy t shirt. The only issue is the sleeves are a tad short which is a bit disappointing. Not sure I will buy this again. I’m 5-7 175 and ordered a large and it fits well. Just a smidge oversized like I prefer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026

recommand products