Rule One Proteins BCAA, Unflavored, 6.14 oz (174 g) supplement bottle
Rule One Proteins

BCAA, Unflavored, 6.14 oz (174 g)

What We Researched
4 active ingredients analyzed · 1 inactive ingredient decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
97
Product Score Excellent
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
L-Leucine 2.5 g
L-Isoleucine 1.25 g
L-Valine 1.25 g
Bioavailability Excellent

Absorption Rating

  • L-Leucine Good
  • L-Isoleucine Good
  • L-Valine Good
Other Ingredients Excellent

Fillers & Additives

  • Sunflower Lecithin
Efficacy Excellent

Dosage Analysis

  • L-Leucine 2.5 g Effective
  • L-Isoleucine 1.25 g High
  • L-Valine 1.25 g Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 20
L-Leucine 2.5 g
L-Isoleucine 1.25 g
L-Valine 1.25 g

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sunflower Lecithin Safe

Helps mix oil and water-based ingredients. Allergen-free alternative to soy lecithin.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$14$13$12$11$10 Mar 12 $12.00
iHerb

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Rule One Proteins

Founded 2014 · Aurora, IL, United States · 62 products · ruleoneproteins.com

Certifications

2 certifications
Informed Sport Verified Source
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Prop 65 Lead and Cadmium2019-01-07Source
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Frequently Asked Questions
Is Rule One Proteins BCAA, Unflavored a good supplement?

Rule One Proteins BCAA, Unflavored, 6.14 oz (174 g) received a product quality score of 97/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 4 active ingredients with 30 servings per container. All 1 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Rule One Proteins, holds a brand trust score of 84/100 with 2 verified certifications including Informed Sport, Nsf Gmp.

What are the ingredients in Rule One Proteins BCAA, Unflavored?

Rule One Proteins BCAA, Unflavored contains 4 active ingredients: Calories (20), L-Leucine (2.5 g), L-Isoleucine (1.25 g), L-Valine (1.25 g). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Rule One Proteins BCAA, Unflavored safe to take?

Rule One Proteins BCAA, Unflavored, 6.14 oz (174 g) has been analyzed for ingredient safety across all its components. All 1 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Rule One Proteins a trustworthy supplement brand?

Rule One Proteins receives a brand trust score of 84/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2014 and headquartered in Aurora, IL, United States, the company offers 62 products in their lineup. They hold 2 verified certifications including Informed Sport, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Rule One Proteins has 1 historical regulatory incident on record, which are factored into the trust score.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.