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Rule1 Proteins

Rule1 R1 Mass Gainer

$119.95 $144.95 Save $25
or 4 interest-free payments of $29.98 with afterpay⚡
Availability: Only 3 left!
  • ▪️ Over 1,220 calories!
  • ▪️ 40g all-whey protein
  • ▪️ 250g+ complex carb blend
  • ▪️ Creatine and MCT enhanced
  • ▪️ 9g naturally-occurring BCAAs
11.46lb (5.2kg) 1 option
Vanilla Creme 5 options
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Pickup available at Australian Muscle
Usually ready in 1 hour

With over 1,220 calories, more than 250g carbohydrates, and 40g protein from three types of whey, R1 Mass Gainer puts you in charge of transforming to XXL. The 6:1 carb-to-protein ratio in this calorie-packed formula can help you pack on desired pounds.

Calorie-Packed Protein

In addition to a 6:1 carb-to-protein ratio, this calorie-packed formula includes creatine, MCTs, and glutamine to help you achieve your most SIZEable aspirations.

Our transparent formula's negatives are real positives: 

  • ZERO Creamers
  • ZERO Spiking
  • ZERO Soy Protein
  • ZERO Banned Substances

With over 1,220 calories, more than 250g carbohydrates, and 40g protein from three types of whey, R1 Mass Gainer puts you in charge of transforming to XXL. The 6:1 carb-to-protein ratio in this calorie-packed formula can help you pack on desired pounds.

Calorie-Packed Protein

In addition to a 6:1 carb-to-protein ratio, this calorie-packed formula includes creatine, MCTs, and glutamine to help you achieve your most SIZEable aspirations.

Our transparent formula's negatives are real positives: 

  • ZERO Creamers
  • ZERO Spiking
  • ZERO Soy Protein
  • ZERO Banned Substances

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