Name: OPTIMUM NUTRITION ON Serious Mass Gainer - 3kg
Brand: OPTIMUM NUTRITION
Price: 3190 INR
Availability: InStock

OPTIMUM NUTRITION ON Serious Mass Gainer - 3kg

● In stock — ready to dispatch

~~MRP ₹3,799~~ ₹3,190 Wholesale price, even for 1 unit · inclusive of taxes

No minimum order. You get the wholesale price even on one unit. Gym owners, trainers and wholesalers — ask on WhatsApp for special volume deals.

Available flavours

VanillaChocolate

100% genuine, sealed products

Free shipping · delivered in 2–5 days across India

7-day return only if damaged in transit, mismatched or not genuine · details

Mix brands and flavours in one order

Why stock this for your gym or store

ON Serious Mass is the best-known gainer name for hard gainers: 1,200+ calories, 50g protein and 250g+ carbs per serving, plus 23+ vitamins and minerals. Trainers working with underweight clients recommend it widely, so it moves well at gyms.

Well-known gainer brand that customers recognise.

1,200+ kcal and 50g protein per serving for serious weight gain.

Chocolate and Vanilla flavours in a 3 kg pack.

Get bulk price on WhatsApp

About this product

Optimum Nutrition (ON) Serious Mass 3kg is a high-calorie weight gainer for people who struggle to gain weight. Each serving gives 1200+ calories, 50g protein and 250g+ carbohydrates, with 23+ vitamins and minerals plus added creatine and glutamine. Available in Chocolate and Vanilla.

1200+ calories per serving for weight gain

50g protein and 250g+ carbs per serving

23+ vitamins and minerals

Added creatine and glutamine

Vegetarian friendly

How to use: Mix the serving size shown on the label with water or milk. Many users split one full serving into two shakes during the day. Follow the dosage on the label.

Ideal for: Skinny people and hardgainers with a fast metabolism; Athletes with very high calorie needs; Anyone looking to add mass with resistance training

Why buy from NutritionStock: Genuine products sourced from brands and authorised channels, checked before dispatch; Free pan India delivery on every order; Free trainer consultation from our certified fitness trainers and nutritionists; Retail and wholesale orders for gyms, trainers and shops — tap Get bulk price on WhatsApp