Promasil by RivalUs - Whey Protein Blend!

With Canadian roots, RivalUs is a brand with a lot of experience in the supplement industry! Founded by some of the original staffers at Optimum Nutrition, RivalUs know how to bring a high quality protein to market, and they've done so excellently with their 7-tier whey protein blend, Promasil, which is available in a regular or a naturally flavoured variant.


What is Promasil by RivalUs?

Promasil by RivalUs - now stocked at Genesis Nutrition - is a premium whey protein blend which combines 7 high-quality fast and slow digesting proteins. For an instant stream of aminos which work for up to 8 hours after consumption, Promasil is a unique whey protein product which provides 24g of protein in every 30.1g serve. Whey isolate, whey hydrolysate, milk isolate, whey concentrate, goat's milk, egg albumen and micellar casein; Promasil is a serious protein for serious performance.

How does Promasil by RivalUs Work?

Each scoop of Promasil contains a massive SEVEN types of protein which are all digested and absorbed at different rates. One of the most interesting features of this product is the addition of Beta Alanine (not included in the naturally flavoured version). With regards to catalysing muscular recovery, a staggered release of fast, medium and slow proteins, plus beta alanine, leads to an incredibly comprehensive matrix which well and truly covers your anabolic window. 

Inside each scoop of Promasil, you can expect 80% protein makeup, with 24g of protein, 2.6g of Leucine, 1.6g of Isoleucine and 1.5g of Valine. For each scoop of Naturally Flavoured Promasil, you're receiving 76% protein makeup, with 24g of protein, 2.6g of Leucine, 1.6g of Isoleucine and 1.5g of Valine. 

What are the Benefits of Taking Promasil?


  • Lean Muscle Growth
  • Increased Recovery
  • 7 Timed-Release Proteins
  • 80% Protein

Our Thoughts:

Promasil by RivalUs is not your average whey protein. Comprised of a 7 tier blend of timed release proteins, enhanced with beta alanine and with 80% protein per serve, this is by all means a unique blend of post-workout recovery goodness. The team at Genesis are all about innovative formulas, and Promasil is certainly innovative! The addition of beta alanine works to increase muscular recovery, complementing the already potent protein matrix. 


Where can I buy RivalUs Promasil?

Here at we stock the entire RivalUs range of products. Below we have included a list of items that include Promasil and an assortment of other RivalUs items available for purchase with us online.


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