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Serious Mass by Optimum Nutrition

Name: Serious Mass by Optimum Nutrition
Brand: Optimum Nutrition
SKU: 132011
Price: 99.95 NZD
Availability: InStock
Rating: 4.8 (94 reviews)

4.8

Rated 4.8 out of 5 stars

94 Reviews

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1250 calories per serve
50g protein for muscle growth
Includes 20 vitamins and minerals

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Why not add some creatine?

Multiple benefits in a single scoop - complements every stack

2025 Supplement Award Winner

1 st
Best Weight Gainer
2 nd
Brand of the Year

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Description

When it comes to building muscle mass, increasing calorie intake is essential. Optimum Nutrition offers a powerful solution with its Serious Mass gainer formula, designed for individuals aiming to bulk up. Each serving packs a hefty punch with 1250 calories, 50 grams of protein, and over 250 grams of carbohydrates.

What sets this weight gainer apart is the absence of added sugars, replaced instead by beneficial ingredients like creatine, glutamine, and a blend of 20 vitamins and minerals. This results in a delicious shake loaded with high-quality calories ideal for muscle growth. Optimum Nutrition Serious Mass stands out as the ultimate formula for both muscle building and weight gain.

Key Benefits of Optimum Nutrition Serious Mass:

Facilitates muscle mass gains
Delivers 1250 calories per serving to support optimal weight gain and muscle development
Contains a high-value protein blend (50g) for muscle maintenance and growth
Provides over 250g of carbohydrates to fuel workouts and replenish glycogen stores
Incorporates creatine monohydrate for enhanced muscle strength, power, and size during intense training
Enriched with 20 essential minerals and vitamins
Ideal for post-workout recovery or as a meal replacement

Who Should Use Optimum Nutrition Serious Mass?

This product is perfect for individuals engaged in rigorous training regimes seeking to increase muscle mass. It's also suitable for those struggling to meet their daily calorie requirements through regular food intake or facing challenges in gaining weight despite sufficient eating.

When Is the Best Time to Consume Optimum Nutrition Serious Mass?

Serious Mass can be taken post-workout to aid in recovery and muscle growth or between meals to help meet macro targets. Simply mix two scoops with 700-720ml of cold water or milk using an electric blender. Beginners can start with one scoop (half serving) before progressing.

Directions

Mix two scoops (334g) with 700–720ml of cold water or milk in a blender. Consume post-workout or between meals. Beginners may start with one scoop and gradually increase to two scoops per serve. This product is intended for healthy adults; always read the label, use only as directed, and seek medical advice if unsure.

Ingredients

6lbs / Banana

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

Other Ingredients - Maltodextrin, Protein Blend (Whey Protein Concentrate, Calcium Caseinate, Egg Albumen, Sweet Dairy Whey), Cocoa (Processed with Alkali), Natural and Artificial Flavour, 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, Cyanocobalamin), Acesulfame Potassium, Lecithin, Medium Chain Triglycerides.

Nutrition information is intended as a guide and may vary slightly between flavours or over time. While we strive for accuracy, small differences can occur. For specific details on a particular flavour, please contact customer service.

6lbs / Chocolate

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

6lbs / Vanilla

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Banana

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Chocolate

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Vanilla

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Strawberry

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

Warning

This product is not a sole source of nutrition and should be consumed in conjunction with a nutritious diet and an appropriate training or exercise program. Not suitable for children under 15 years of age or pregnant women: Should only be used under medical or dietetic supervision.

Shipping and Delivery

Orders placed before 3PM AEST, Monday to Friday (not including Public Holidays), will be shipped the same day! Once your payment clears and despatch information is available we'll email you an order tracking number. Most customers receive their supplements in 1-2 business days! As long as:

You order before 3pm (AEST) Mon-Fri
You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

If you have used an alternate payment method: Direct bank deposit or Paypal Echeque may take some time to clear. To get your supplements in the shortest time possible, use Paypal's Instant Payment or a credit card.

Shipping Policy

More Information

Key Benefits of Optimum Nutrition Serious Mass:

Facilitates muscle mass gains
Delivers 1250 calories per serving to support optimal weight gain and muscle development
Contains a high-value protein blend (50g) for muscle maintenance and growth
Provides over 250g of carbohydrates to fuel workouts and replenish glycogen stores
Incorporates creatine monohydrate for enhanced muscle strength, power, and size during intense training
Enriched with 20 essential minerals and vitamins
Ideal for post-workout recovery or as a meal replacement

Who Should Use Optimum Nutrition Serious Mass?

When Is the Best Time to Consume Optimum Nutrition Serious Mass?

6lbs / Banana

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

6lbs / Chocolate

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

6lbs / Vanilla

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Banana

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Chocolate

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Vanilla

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

12lbs / Strawberry

NUTRITION INFORMATION	Per Serving in Water / Per Serving in Low Fat Milk
Calories	1250 / 1640
Calories from Fat	40 / 180
Total Fat	4.5 g (7%†) / 9 g (14%†)
Saturated Fat	1.5 g (8%†) / 4.5 g (23%†)
Cholesterol	80 mg (27%†) / 115 mg (38%†)
Total Carbohydrate	252 g (84%†) / 291 g (97%†)
Dietary Fibre	4 g (16%†) / 4 g (16%†)
Sugars	20 g / 20 g
Protein	50 g (100%†) / 74 g (148%†)
Vitamins & Minerals
Vitamin A	5000 IU (100%†) / 5600 IU (112%†)
Vitamin C	60 mg (100%†) / 66 mg (110%†)
Vitamin D	200 IU (50%†) / 220 IU (55%†)
Vitamin E	30 IU (100%†) / 33 IU (110%†)
Thiamin	1.5 mg (100%†) / 1.7 mg (113%†)
Riboflavin	1.7 mg (100%†) / 3.4 mg (200%†)
Niacin	20 mg (100%†) / 22 mg (110%†)
Vitamin B6	2 mg (100%†) / 2.2 mg (110%†)
Folic Acid	400 mcg (100%†) / 440 mcg (110%†)
Vitamin B12	6 mcg (100%†) / 6.6 mcg (110%†)
Biotin	300 mcg (100%†) / 330 mcg (110%†)
Pantothenic Acid	10 mg (100%†) / 11 mg (110%†)
Calcium	500 mg (50%†) / 1330 mg (133%†)
Phosphorus	380 mg (38%†) / 830 mg (83%†)
Iodine	150 mcg (100%†) / 165 mcg (110%†)
Magnesium	80 mg (20%†) / 88 mg (22%†)
Zinc	15 mg (100%†) / 18 mg (120%†)
Selenium	70 mcg (100%†) / 77 mcg (110%†)
Copper	1.6 mg (80%†) / 1.6 mg (80%†)
Manganese	2 mg (100%†) / 2 mg (100%†)
Chromium	120 mcg (100%†) / 120 mcg (100%†)
Molybdenum	75 mcg (100%†) / 75 mcg (100%†)
Sodium	470 mg (20%†) / 870 mg (36%†)
Potassium	1560 mg (45%†) / 2260 mg (65%†)
Other Ingredients
Creatine Monohydrate	1 g / 1 g
L-Glutamine	500 mg / 500 mg
Glutamine Peptides	500 mg / 500 mg
Choline (as choline bitartrate)	250 mg / 250 mg
Inositol	250 mg / 250 mg
PABA (para-aminobenzoic acid)	5 mg / 5 mg

Warning

You order before 3pm (AEST) Mon-Fri
You use a payment method with instant clearance, like Paypal Instant Payment or Credit Card
Your parcel is less than 5kg in cubic weight. (Some bulky goods will not apply)
You are not in a remote location

Please note parcels going via Australia Post (PoBox, Defence Adresses) may take longer than 1-3 business days.

Parcels going to NT, and bulky parcels going to WA may take 5+ business days to arrive.

If your order weighs more than 5kg or is bulky: Heavy or bulky orders are sent via road freight which means that the estimated delivery time will be longer than orders sent via air freight.

Shipping Policy

4.8

Rated 4.8 out of 5 stars

Based on 94 reviews

Total 5 star reviews: 80 Total 4 star reviews: 8 Total 3 star reviews: 5 Total 2 star reviews: 1 Total 1 star reviews: 0

Slide 1 selected

94%would recommend this product

94 reviews

Sort

JH
Jonathan H.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 year ago
I'm excited!
I just started adding Serious Mass to my daily routines a few days ago and haven't seen any significant changes yet (of course lol). But, I know people who used/are using this for a long time and are happy with their gains hence, I tried it too. I'm excited to see my improvements 🤞
Was this helpful?
WR
Wayne R.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 year ago
All I needed
This product is a very y high-quality product
Doing what I needed.
TasteRated 5.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 5.0 on a scale of 1 to 5
Was this helpful?
MU
Muhammad U.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
3 years ago
Best Mass Gainer
This is the one which i like and got positive result. Flavour is very good. Nutrition content is excellent.
Was this helpful?
AM
Adrian M.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
3 days ago
Serious Mass by Optimum Nutrition
Best for bulking
TasteRated 4.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 3.0 on a scale of 1 to 5
Was this helpful?
Nutrition Warehouse
3 days ago
Thanks Adrian! Glad to hear Serious Mass is working great for your bulking goals 💪🏼
GS
Gary S.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
3 days ago
Very gud
Very good shop
TasteRated 5.0 on a scale of 1 to 5
TextureRated 5.0 on a scale of 1 to 5
Value for moneyRated 5.0 on a scale of 1 to 5
Was this helpful?
Nutrition Warehouse
3 days ago
Thanks Gary! So glad you're happy with your experience and Serious Mass! 🙌

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Boost Strength & Power

ENHANCE BRAIN POWER & MEMORY

SUPPORT BETTER SLEEP & RECOVERY

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