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Optimum Nutrition - Serious Mass

Optimum Nutrition - Serious Mass

Regular price $79.90
Sale price $79.90 Regular price
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  • 1250 calories per scoop
  • 40g protein
  • Supports fast muscle growth

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About This Product

Serious Mass by Optimum Nutrition

High protein weight gain powder


Optimum Nutrition Serious Mass is your path to packing on the pounds quickly! With 1250 calories in just one scoop, and 40g of protein, this is for the peeps who are serious about gaining weight. Perfect to use post-workout or even between meals, combine this with powerful workouts to help you get big quick.

Each scoop also contains 250g of carbs, creatine, glutamine, and glutamine peptides, alongside 25 minerals and vitamins its everything you need all in the one package.

Available in either a 6lb or 12lb quantity, youll be one your way to a bigger you in no time.

Available Flavours
  • Banana
  • Chocolate
  • Strawberry
  • Vanilla


Free Shipping on All Orders With No Minimum Purchase
As part of our commitment to providing you with the smoothest shopping experience possible, we offer free Australia Standard shipping on every order with no minimum purchase required.

Same-Day Dispatch Before 12PM

We aim to dispatch orders placed on weekdays before 12PM Sydney time the same day we receive them. If you place an order after 12PM or during the weekend, it may be dispatched the following business day.

Easily Track Your Order

As soon as your item is posted, you will receive an email from us notifying you that it has been dispatched. You will also receive an email which contains your tracking number.

If your delivery seems to be taking too long please phone us on 02 6248 8901 or email us and we will sort it out for you immediately.

More Questions?
If you have any more questions, you can check our F.A.Q page here, or get in touch with our team via Live chat on the website, emailing or if you prefer to have a good old yarn, our team are ready and waiting and they love a chat about supps so give us a call on 02 6248 8901!


Easy Return Policy

Supps R Us offers an easy 30-day return policy for all products purchased online. You may return unopened products to us within 30 days of receiving the shipment. 

Request a return by contacting our friendly customer service team at and providing your order number and reason for return. Our team will provide you shipping instructions and options to exchange or refund the product if you are eligible.

For full details about our return policy, please review our terms and conditions.

Nutritional Info

Serious Mass Nutritional Information
Serving Size: 2 Heaped Scoops (334g)

*Please note: Nutritional info may vary slightly between flavours.

Per Serve
Calories 1250Cal
Protein 50g
Fat - Total 4.5g
   Saturated 1.5g
Carbohydrate - Total 252g
   Sugars 20g
   Dietary Fibre 4g
Cholesterol 80mg
Vitamin A 5000 I.U.
Vitamin C 60mg
Vitamin D 200 I.U
Vitamin E 30 I.U
Thiamin 4.8mg
Riboflavin 4mg
Niacin 50mg
Vitamin B6 5mg
Folic Acid 400mcg
Vitamin B12 10mcg
Biotin 300mcg
Pantothenic Acid 25mg
Calcium 590mg
Iron 8mg
Phosphorus 430mg
Iodine 150mcg
Magnesium 140mg
Zinc 15mg
Selenium 70mcg
Copper 1.6mcg
Manganese 2mg
Chromium 120mcg
Molybdenum 75mcg
Sodium 410mg
Potassium 1560mg
Creatine Monohydrate 1mg
L-Glutamine 500mg
Glutamine Peptides 500mg
Choline 250mg
Inositol 250mg
PABA 5mg
Other Ingredients:
Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Sweet Dairy Whey), Cocoa (Processed with Alkali), Natural and Artificial Flavours, Vitamin And Mineral Blend (Dipotassium Phosphate, Magnesium Aspartate, Dicalcium Phosphate, Calcium Citrate, Ascorbic Acid, Niacinamide, Zinc, Citrate, Beta Carotene, D-Calcium, Pantothenate, D-Alpha Tocopheryl Succinate, Selenomethionine, Copper Gluconate, Ferrous Fumarate, Manganese Amino Acid Chelate, Thiamin Mononitrate, Pyridoxine Hydrochloride, Riboflavin, Chromium Polynicotinate, Folic Acid, Biotin, Molybdenum Amino Acid Chelate, Cholecalciferol, Potassium Iodide, Cyanocabalamin), Lecithin, Acesulfame Potasssium, Medium chain triglycerides.
Allergen Warning:
Contains Milk, Egg, Wheat (Glutamine Peptides) and Soy (Lecithin) Ingredients.

For information on specific flavours please get in touch with our staff via email to or call 1300 252 355
Always read the label and use only as directed.