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Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships.
Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval.
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Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
†These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
Optimum Nutrition Serious Mass is a chocolate weight gainer powder designed to help increase daily calorie intake, with over 1,200 calories and 50g of blended protein per 2-scoop serving.
Serious Mass is made for people working to increase their calorie intake during a bulking phase or when regular meals alone do not provide enough calories for their goals. It can be used after a workout or between meals, alongside your normal calorie intake and regular resistance training over time.
A 2-scoop serving supplies over 1,200 calories, 50g of blended protein, and over 249g of carbohydrates. The protein blend is intended to support muscle repair and recovery after intense training, while the carbohydrate content helps fuel workouts and replenish glycogen stores.
Serious Mass is suitable as a post-workout shake or between meals. These occasions let you add the shake to your usual eating routine when you are aiming to raise your daily calorie intake.
The formula includes more than 20 vitamins and minerals, including Vitamin C and Zinc, to support nutritional balance and immune system function. Serious Mass comes in chocolate flavor in a 3 lb size. Optimum Nutrition identifies as the World's #1 Sports Nutrition Brand and highlights its quality-control measures.
Serious Mass is suited to people seeking a convenient way to add calories and protein around training or between meals, particularly during a weight-gain or bulking phase. It is intended to complement normal calorie intake and regular resistance training; each 2-scoop serving combines a high calorie count with protein and carbohydrates.
Other Ingredients: Maltodextrin, Whey Protein Concentrate, Cocoa (Processed with Alkali), Natural and Artificial Flavor, Sunflower and/or Soy Lecithin, Acesulfame Potassium, Sucralose.
Q: How many calories are in a serving of Optimum Nutrition Serious Mass?
A: A 2-scoop serving of Optimum Nutrition Serious Mass provides over 1,200 calories, 50g of blended protein, and over 249g of carbohydrates.
Q: When can I use Optimum Nutrition Serious Mass?
A: Optimum Nutrition Serious Mass is intended as a post-workout or between-meal shake, alongside normal calorie intake and regular resistance training.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days of delivery. Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval. See returns & refunds.
Damaged, defective, incorrect or expired item? Email your order number, a photo and the lot/expiration details to sales@naturalvitaminsonline.com and we will arrange a replacement or refund; this is always covered. Please report visible shipping damage within 7 days of delivery.
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