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Optimum Nutrition Serious Mass is a high-calorie weight gainer designed to help adults increase their daily calorie and protein intake alongside a balanced diet and resistance-training programme. It combines carbohydrates, protein, creatine, glutamine, vitamins and minerals in a convenient powder that can be mixed with water or milk.
Serious Mass is intended for people who find it difficult to consume enough calories through regular meals alone or who have increased energy requirements. It can be consumed between meals or after a workout as part of an overall nutrition plan.
The following values are based on the official Indian product information for a full serving. Always refer to the nutrition panel on your specific pack for the definitive values.
| Nutritional Information | Per Full Serving |
|---|---|
| Serving Size | 2 rounded scoops (approximately 334g) |
| Calories | 1,200+ kcal |
| Protein | 50g |
| Carbohydrates | Approximately 256g |
| Creatine | 3g |
| L-Glutamine | 1g |
| Vitamins and Minerals | 24 |
Note: Nutrition values may vary by flavour, formulation or market. Check the label on your product before relying on these figures.
Optimum Nutrition Serious Mass uses a carbohydrate-based formula combined with a blend of protein sources. The published ingredient information identifies maltodextrin as the primary carbohydrate source and lists the following components:
The complete ingredient list may include flavouring, emulsifiers, sweeteners and other ingredients depending on the flavour. Check the product packaging for the full ingredient list and allergen declaration.
Optimum Nutrition Serious Mass may suit healthy adults who:
Individual calorie and protein requirements differ. A calorie surplus can support weight gain, but the amount and type of weight gained depend on overall nutrition, training, activity levels and individual factors.
Follow the preparation instructions printed on your product packaging. The official Indian product instructions recommend mixing two rounded scoops with approximately 710ml of cold water or milk using a blender.
A full serving is substantial. If you are new to the product, follow the manufacturer's directions for introducing it into your diet and assess your tolerance. Do not exceed the recommended serving.
Choose the available pack size and flavour from the options displayed on 91Servings.
Chocolate and Vanilla are the flavours listed on the current product page. Availability may change, so confirm your selected variant before adding it to your cart.
Serious Mass is a high-calorie weight gainer intended to supplement regular meals and help increase daily calorie and protein intake.
The official Indian product information lists 50g of protein per full serving. Check the label for your specific flavour and pack.
The Indian product information lists more than 1,200 calories per full serving. The exact value depends on the product formulation and how the shake is prepared.
Yes. The manufacturer provides preparation instructions for water or milk. Milk adds calories and nutrients, so include these in your daily intake.
No. It is intended to supplement regular meals and snacks, not replace a varied and balanced diet.
Choose from the available pack sizes based on your needs, usage frequency and budget. Check the serving count on the specific pack before purchasing.
Shop Optimum Nutrition Serious Mass Weight Gainer at 91Servings. Explore available pack sizes and flavours, review the product specifications, and choose the option that fits your nutrition goals.
| Flavor | Chocolate, Vanilla |
|---|---|
| Size | 1 kg, 3 kg, 5 kg |
Find answers to common questions about ordering, payments, shipping, returns, product authenticity and customer support at 91Servings.
Browse our products, select your preferred items, add them to your cart and proceed to checkout. Enter your delivery details, choose an available payment option and follow the instructions to complete your order.
91Servings offers the following payment options, subject to availability at checkout:
The payment options available for your order will be displayed during checkout.
Pay 25% of your order value in advance during checkout. The remaining 75% is payable upon delivery. Please review the payment instructions and terms displayed at checkout before placing your order.
Yes. You can choose to pay the full order amount online during checkout using an available payment method. Your order will be processed according to our standard order fulfilment procedure.
The 25% advance and 75% COD option is subject to order eligibility and delivery serviceability. Available payment options will be shown during checkout.
Orders may be cancelled before dispatch, subject to our applicable order cancellation terms. Once an order has been shipped, cancellation may not be possible. Please contact our support team as soon as possible if you need assistance.
After successfully placing your order, you will receive an order confirmation via email and/or SMS with your order details, subject to the contact information provided at checkout.
Most orders are delivered within 2–7 business days, depending on your location, product availability and courier serviceability. Delivery estimates may vary for certain locations.
Once your order has been dispatched, you will receive tracking details via email and/or SMS when available. Use the tracking link to check your shipment's progress.
Free shipping may be available on eligible orders or during promotional offers. Any applicable shipping charges will be displayed during checkout.
We primarily serve customers within India. International shipping availability may vary and will be communicated if the service becomes available for your location.
Delivery may occasionally be delayed due to courier operations, weather, public holidays or other unforeseen circumstances. If your order is delayed beyond the expected delivery window, contact our support team with your order details.
Returns are accepted only for eligible cases involving damaged, defective, incorrect or missing products, subject to our Returns & Refund Policy and its applicable conditions.
Please report damaged, defective, incorrect or missing items within 24 hours of delivery. Contact our support team with your order details and clear photos of the product and packaging.
Returns due to a change of mind, personal preference, taste preference or ordering mistakes are not accepted under our stated return policy.
Opened or used supplements, vitamins and nutrition products are not eligible for return or refund, except where required by applicable law or where our policy provides otherwise for a verified product issue.
Approved refunds are generally processed within 7 business days after the returned product has been received and verified, where a return is applicable. The time taken for the funds to appear may also depend on the payment provider or bank.
Refunds are generally processed to the original payment method used for the purchase. If an alternative method is required, our support team will provide the applicable instructions.
Any refund of an advance payment is subject to the applicable cancellation, return and refund terms. Contact our support team with your order details to confirm eligibility and the refund process.
We strive to source products from brands, authorised importers, trusted distributors and verified suppliers. Customers should review the product packaging, batch details and applicable authenticity information when their order arrives.
Expiry date or best-before information may be available on the product page. Always check the date printed on the packaging when your order arrives. If you have questions about a specific product, contact our support team.
Manufacturers may update packaging, labels or branding without prior notice. Packaging may therefore differ slightly from website images. If you suspect that a product is incorrect or has a quality issue, contact our support team before using it.
Storage requirements vary by product. In general, follow the instructions printed on the packaging and keep supplements away from unsuitable temperatures, direct sunlight and moisture where indicated.
In some containers, the scoop may settle beneath the powder during transit. Check carefully without damaging the product or its packaging. If you still cannot find it, contact our support team for assistance.
No. Dietary supplements are intended to complement a balanced diet and healthy lifestyle. They should not replace regular meals or professional medical advice.
Account requirements depend on the checkout options available on the website. Where guest checkout is available, you may place an order without creating an account. Creating an account may help you manage orders and track purchases.
You can contact our support team using the details below:
Our customer support team responds during regular business hours. Response times may vary on weekends, public holidays and during periods of high demand.
Consult a qualified healthcare professional before using supplements if you are pregnant or breastfeeding, take medication, have an existing medical condition or have known allergies.
Food products and supplements offered for sale should comply with applicable Indian food safety requirements. Check the product packaging for relevant licence and regulatory details. If you have a question about a specific product, contact our support team.
No. Information on our website is provided for general informational purposes and is not a substitute for professional medical advice, diagnosis or treatment. Consult a qualified healthcare professional for advice about your individual needs.
Brand Name: 91Servings
Operated By: Fitbay International
GSTIN: 29CJKPB2701E1ZN
FSSAI Licence No.: 11223334001923
Email: support@91servings.in
Phone: +91-9632651597
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