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Price comparison

Price data powered by pricesAPI.io

Last updated at 05/11/2026 13:18:47

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=mcgrocer.com&sz=64McGrocer.com

$104.33

Optimum Nutrition Serious Mass Chocolate Weight Gainer Protein Powder 1.34kg

Delivery between 12–13 Nov $108.45

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

BrandOptimum Nutrition
FormPowder
FlavourChocolate
IngredientsAmino Acids
Amino Acid TypeGlutamine

Price comparison

Updated 2 days ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=mcgrocer.com&sz=64
McGrocer.com

$104.33

Optimum Nutrition Serious Mass Chocolate Weight Gainer Protein Powder 1.34kg

Delivery between 12–13 Nov $108.45

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Specification

BrandOptimum Nutrition
FormPowder
FlavourChocolate
IngredientsAmino Acids
Amino Acid TypeGlutamine

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Optimum Nutrition Serious Mass Chocolate Weight Gainer Protein Powder 1.34kg

Optimum Nutrition Serious Mass Chocolate Weight Gainer Protein Powder 1.34kg

Serious Mass is the ultimate in weight gain formulas. With 1,262 calories per serving to boost daily calorie intake, 50 g high protein to support muscle growth and repair, over 248 g carbohydrates helping support muscle recovery, and now with 3g added Creatine to support performance per serving, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious.

Serious Mass is the ultimate in weight gain formulas. With 1,262 calories per serving to boost daily calorie intake, 50 g high protein to support muscle growth and repair, over 248 g carbohydrates helping support muscle recovery, and now with 3g added Creatine to support performance per serving, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious.

$104.33

in 1 offers

The lowest price for Optimum Nutrition Serious Mass Chocolate Weight Gainer Protein Powder 1.34kg right now is $104.33 at McGrocer.com.

The all-time low was $55.03 on 31 July 2026 — today's price is 90% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 5 Nov 2026.

Optimum Nutrition Serious Mass Chocolate Weight Gainer Protein Powder 1.34kg

$104.33

Serious Mass is the ultimate in weight gain formulas. With 1,262 calories per serving to boost daily calorie intake, 50 g high protein to support muscle growth and repair, over 248 g carbohydrates helping support muscle recovery, and now with 3g added Creatine to support performance per serving, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious.

Serious Mass is the ultimate in weight gain formulas. With 1,262 calories per serving to boost daily calorie intake, 50 g high protein to support muscle growth and repair, over 248 g carbohydrates helping support muscle recovery, and now with 3g added Creatine to support performance per serving, you’ve got nothing to lose and lots to gain. It is time to stop thinking small and get serious.