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Rule 1 Protein

Common questions

Is Rule 1 Protein healthy?

Rule 1 Protein scores 78/100 on Scout's independent analysis of ingredients, additives, and lab results — a fair-to-good score — solid, with tradeoffs. R1 Protein features high-quality protein sources like whey protein isolate and hydrolysed whey protein isolate, which are beneficial for muscle repair and growth.

How processed is Rule 1 Protein?

Rule 1 Protein is NOVA Group 2: Processed Culinary Ingredients.

Which ingredients drive Rule 1 Protein's score?

In Scout's ingredient-by-ingredient analysis, Whey Protein Isolate, Hydrolysed Whey Protein Isolate count in its favor; Soy is flagged as an ingredient of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Rule 1 Protein

Rule 1
Bioengineered
78 Good

Analysis updated May 2026 · How Scout scores

$119.99 · 5 lb · $1.50 / ounce
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At a glance

Beneficial ingredients 2
Harmful ingredients 1
Owned by Rule One Proteins, LLC
Category Protein Powders
Summary

R1 Protein features high-quality protein sources like whey protein isolate and hydrolysed whey protein isolate, which are beneficial for muscle repair and growth. However, the presence of natural flavors and soy, which can be highly processed and potentially allergenic, slightly detracts from its overall formulation quality. The product is moderately processed but maintains a focus on delivering effective protein supplementation with minimal additives.

Key ingredients 5

Whey Protein Isolate
Very Good

Whey Protein Isolate is a high-quality, fast-absorbing protein source that supports muscle recovery and overall nutrition.

See more about Whey Protein Isolate →
Hydrolysed Whey Protein Isolate
Very Good

Hydrolysed Whey Protein Isolate is pre-digested, making it easier for the body to absorb and beneficial for muscle repair.

Cocoa (Processed with Alkali)
Neutral

Cocoa adds flavor and antioxidants but is processed with alkali, which can reduce some beneficial compounds.

See more about Cocoa (Processed with Alkali) →
Natural Flavours
Neutral

Natural Flavours enhance taste without adding artificial ingredients, though their exact composition is unspecified.

See more about Natural Flavours →
Soy
Bad

Soy can be a common allergen and contains phytoestrogens, which some consumers prefer to avoid.

See more about Soy →

Processing

Group 2 · Culinary ingredients

Processed Culinary Ingredients

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Amazon pricing & content

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