RAW Nutrition CBUM Iso Protein
by RAW Nutrition
"Chris Bumstead's whey isolate — 25g protein with only 1g carb and 0.5g fat per serving for the leanest protein option"
Overview
RAW Nutrition CBUM Iso Protein is Chris Bumstead's signature whey protein isolate, providing 25g of protein per serving with only 1g carb and 0.5g fat — making it one of the leanest protein powders available. The cold-processed whey isolate preserves the protein's natural structure and bioavailability. RAW Nutrition has rapidly grown under the CBUM brand, leveraging Chris Bumstead's 5x Classic Physique Mr. Olympia title to build credibility. The flavors (Cinnamon Crunch, Peanut Butter Brownie) are designed to taste like desserts while maintaining a clean macro profile.
Key Ingredients
| Ingredient | Amount |
|---|---|
| Whey Protein Isolate | 25 g |
| BCAAs (naturally occurring) | 5.5 g |
| Leucine | 2.5 g |
Pros & Cons
What We Like
- 25g protein, 1g carb, 0.5g fat
- Cold-processed isolate
- CBUM brand credibility
- 4,800+ reviews
- Dessert-like flavors
What Could Be Better
- Premium price
- 25 servings only
- Newer brand
- Not Informed Sport certified
Who Is This For?
Best For
- Lean protein seekers
- Contest prep
- Low-carb dieters
- CBUM/bodybuilding fans
Not Ideal For
- Budget seekers
- Those wanting more servings
- Those wanting tested certification
- Those wanting plant protein
Our Verdict
RAW CBUM Iso Protein is the bodybuilder's isolate — 25g protein with virtually zero carbs and fat. The leanest macro profile in the category, backed by a 5x Mr. Olympia champion.