• Rule 1 Mass Gainer Protein Powder Mass Gainer
  • Rule 1 Mass Gainer Protein Powder Mass Gainer
  • Rule 1 Mass Gainer Protein Powder Mass Gainer
  • Rule 1 Mass Gainer Protein Powder Mass Gainer
  • Rule 1 Mass Gainer Protein Powder Mass Gainer
  • Rule 1 Mass Gainer - 6LB Chocolate Fudge
  • Rule 1 Mass Gainer - 6LB Vanilla
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Rule 1 Proteins

Rule 1 Mass Gainer

$159.95
$159.95
6lb
6lb
11lb
Chocolate Fudge
Chocolate Fudge
Vanilla Creme
Chocolate Peanut Butter
Cookies and Creme

Hit your mass goals with R1 Mass Gainer, a calorie-packed blend that contains 3 types of Whey.

Features

  • 1220+ calories
  • 250g+ carbs
  • 40g Protein
  • Contains 3 types of Whey
  • Zero creamers, spiking, or banned substances

Benefits

If you need help bulking up and enhancing your gains, R1 Mass Gainer can accelerate your results with their 6:1 carb-to-protein ratio that contains creatine, glutamine and MCTs to help you hit your desired size.

This transparent protein powder contains 9g of naturally occurring BCAAs, a 250+ complex carb blend and 40g of all-whey protein to bulk you up to your desired levels. Experience the mass with over 1220 calories in a mix that contains no creamers, spiking, soy protein or banned substances.

R1 Mass Gainer is perfect for hard gainers, bodybuilders, and athletes looking to bulk up quickly with a high-calorie, carb-rich formula. With 1220+ calories, 250g+ carbs, and 40g of all-whey protein, this mass gainer supports muscle growth and recovery without any creamers, soy protein, or banned substances.

HOW TO USE

Mix 2 scoops of R1 Gain with approx.420-480 ml of water, milk or your favorite beverage in a shaker cup or glass with a spoon. Consume 1-2 shakes per day, based on your personal protein/calorie requirements.
NUTRITIONAL INFORMATION
Free delivery on orders $150+. Free Sample on ALL orders.
Return policy

FAQs

Are Fibre Boost Cold Pressed Protein Bars healthy?

Yes! Every fibre boost protein bar is made with clean ingredients, high-grade protein, and prebiotic fibre. With around 150 calories and no hidden nasties, it’s a healthy smart bar choice for daily snacking.
What are the best fibre boost bar flavours to try?

Popular fan-favourite fibre boost bar flavours include Rocky Road, Sticky Date Pudding, Cookie Dough, Banana Bread, White Chocolate, and New York Cheesecake. Trying single bars is a great way to discover your personal favourite!
How does a cold pressed protein bar support digestion?

Unlike heavy, baked protein bars, a cold-pressed protein bar uses minimal processing. It includes soluble prebiotic fibre to support your gut and aid digestion. This helps reduce bloating.
 Can I eat a high fibre protein bar every day?

Absolutely. Eating a high fibre protein bar each day is an easy way to hit your protein goals. It can support gut health and help you feel full for longer between meals.
Should I buy a single bar or a box of 12?

Single bars are great for sampling new delicious flavours or quick on-the-go snacks. Once you find your go-to flavour, purchasing a Fibre Boost 12-Pack Box offers the best overall value per bar.