PROMASIL™
A SUSTAINED RELEASE PROTEIN BLEND
8 SOURCE PROTEIN
WHY:
Sustained release blend. Day & Night Amino Acid Fortification.
AT A GLANCE*
- Now with 8 SOURCES, including Native Whey Isolate and Native casein.
- 24 g full-spectrum protein.
- Elite blend of fast, intermediate, and slower digesting sources.
- Premium proteins including whey isolate, micellar casein & egg albumen.
- Over 5 g BCAAs (leucine, isoleucine, valine).
- Little fat or sugar.
- Instantized to mix up quickly, fully, and easily.
- No banned substances - safe for sport.
*Per serving. Amino acids are naturally occurring and values are approximated. Information varies by flavor. Refer to nutritional, ingredient, and allergen information for complete details.
Insights
Proteins come in a variety of forms. Sources like whey are ideal around workouts when you want aminos - fast. Casein proteins are better between meals and before bed when slower delivery, over several hours, is preferred. Moderate-release proteins like egg and goat's milk are easily digested and contain all of the essential amino acids, which makes them great choices most other times.
PROMASIL's elite blend combines fast, intermediate, and slower-digesting sources to deliver the best of all worlds: a single protein powder that is versatile enough for all day use. Whether you drink your shake in the morning, after workouts, or between meals, PROMASIL's multi-source blend provides broad-spectrum amino acid coverage in one convenient package.
WHO:
Active Lifestyles, Strength Training, Team Sports, and Endurance Sports.
FOR:
Workout Recovery, and Nutrient Fortification
WHEN:
Any Time, and Everyday Nutrition
HOW:
1 Scoop of Promasil Protein in a glass or shaker filled with 6 - 8oz. of water or milk. Stir, Shake or Blend for 20 - 30 seconds until powder is fully dissolved. Enjoy.
ALLERGEN INFO
CONTAINS: MILK, EGG AND SOY INGREDIENTS (All Flavors)
CONTAINS: MILK, EGG, SOY, AND WHEAT PRODUCTS (Cookies & Cream)


93 Reviews
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Tastes AMAZING and is AMAZING for you!
Posted by Jasmine Fleming on Jun 4th 2020
I’ve been using this protein for years now and anytime I try another brand, I come straight back to the Rivalus brand. You can’t beat the taste for it being so good for you!
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My Favorite Protein
Posted by Josh Smith on Jun 3rd 2020
I've taken about 11 pounds of Promasil so far and it's by far the best protein I've ever used. I've tried the Chocolate Peanut Butter and Cookies n' Cream flavors. Chocolate Peanut Butter is definitely my favorite. It's not too peanut buttery and the chocolate isn't overly sweet.
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Promasil
Posted by Gregory Ritchie on May 14th 2020
Vanilla soft serve tastes great and is a good blend.
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Promasil
Posted by Shaylon Wright on Mar 25th 2020
Good test and good results
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Promasil
Posted by Brian on Jan 14th 2020
Smooth-mixing and great tasting. Love the Cookies and Cream flavor.
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Last me throughout the day
Posted by Big Daddy on Jan 10th 2020
I drink a shake on the way to work and it keeps me satiated past lunchtime.
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Promasil #1
Posted by Jason R on Jan 5th 2020
Absolutely love Rivalus products and Promasil is my go to for protein. I love that they incorporate multiple sources for fast, medium, and slow absorption. I feel like the multi-phase absorption of protein helps with muscle building more than just whey isolate or concentrate on its own. I will definitely continue buying Promasil for my protein needs! Thanks Rivalus for making such amazing products!
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Best protein out there!
Posted by Mindy on Dec 16th 2019
I’ve tried several different types of protein and this is by far, the best!! It’s easy on the stomach and the flavor is a great way to crush my sweet tooth!! Well done Rivalus! Other favorites: Cookies and Cream and Chocolate Chip Mint!
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Promasil
Posted by Michael on Oct 9th 2019
I been a long time user of the clean gainer great product but after using it for months at twice daily I gained a little more weight than I was trying to I went from 215lbs to 230lbs so I decided to give promasil a try very good product so far. great taste easy mix and less calories. So now I use promasil once a day and clean gainer after workouts. Just wish some of the other flavors came in the 5lb jug. 4 stars due to the price for number of servings.