Rule One Proteins Lean™, Non-Stim Weight Management, 60 Capsules supplement bottle
Rule One Proteins

Lean™, Non-Stim Weight Management, 60 Capsules

What We Researched
11 active ingredients analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
84
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol) 5 mcg 25%
Thiamin (as Thiamin HCl) 0.5 mg 42%
Forskohlii Root Extract 250 mg
L-Carnitine Tartrate 250 mg
Decaffeinated Green Coffee Bean Extract 200 mg
Apple Fruit Cider Vinegar Powder 150 mg
Decaffeinated Gree Tea Leaf Extract 100 mg
Dandelion Root Powder 100 mg
Cayenne Fruit Extract (Capsimax®) 50 mg
Grains of Paradise Seed Powder 40 mg
Black Pepper Fruit Extract (BioPerine®) 5 mg
Bioavailability Good

Absorption Rating

  • Vitamin D (as Cholecalciferol) Good
  • Thiamin (as Thiamin HCl) Fair
  • Forskohlii Root Extract Good
  • L-Carnitine Tartrate Poor
  • Decaffeinated Green Coffee Bean Extract Fair
  • Apple Fruit Cider Vinegar Powder Fair
  • Decaffeinated Gree Tea Leaf Extract Fair
  • Dandelion Root Powder Fair
  • Cayenne Fruit Extract (Capsimax®) Fair
  • Grains of Paradise Seed Powder Good
  • Black Pepper Fruit Extract (BioPerine®) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Vegetable Capsule)
  • Sugar spheres
  • Rice Flour
  • Magnesium Stearate
Efficacy Fair

Dosage Analysis

  • Vitamin D (as Cholecalciferol) 5 mcg Under-dosed
  • Thiamin (as Thiamin HCl) 0.5 mg Under-dosed
  • Forskohlii Root Extract 250 mg Effective
  • L-Carnitine Tartrate 250 mg Under-dosed
  • Decaffeinated Green Coffee Bean Extract 200 mg Under-dosed
  • Apple Fruit Cider Vinegar Powder 150 mg High
  • Decaffeinated Gree Tea Leaf Extract 100 mg Under-dosed
  • Dandelion Root Powder 100 mg Under-dosed
  • Cayenne Fruit Extract (Capsimax®) 50 mg High
  • Grains of Paradise Seed Powder 40 mg Effective
  • Black Pepper Fruit Extract (BioPerine®) 5 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Cholecalciferol) 5 mcg 25%
Thiamin (as Thiamin HCl) 0.5 mg 42%
Forskohlii Root Extract 250 mg
L-Carnitine Tartrate 250 mg
Decaffeinated Green Coffee Bean Extract 200 mg
Apple Fruit Cider Vinegar Powder 150 mg
Decaffeinated Gree Tea Leaf Extract 100 mg
Dandelion Root Powder 100 mg
Cayenne Fruit Extract (Capsimax®) 50 mg
Grains of Paradise Seed Powder 40 mg
Black Pepper Fruit Extract (BioPerine®) 5 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Vegetable Capsule) Safe

It is used to encapsulate supplement ingredients.

Sugar spheres Unknown
Rice Flour Safe

Natural bulking agent to fill capsule space. Hypoallergenic.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$16$15$14$13$12 Mar 12 $14.00
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 Lean™, Non-Stim Weight Management a good supplement?

Rule One Proteins Lean™, Non-Stim Weight Management, 60 Capsules received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 11 active ingredients with 30 servings per container. Of the 4 inactive ingredients, 3 are rated safe and 0 are flagged for review. 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 Lean™, Non-Stim Weight Management?

Rule One Proteins Lean™, Non-Stim Weight Management contains 11 active ingredients: Vitamin D (as Cholecalciferol) (5 mcg), Thiamin (as Thiamin HCl) (0.5 mg), Forskohlii Root Extract (250 mg), L-Carnitine Tartrate (250 mg), Decaffeinated Green Coffee Bean Extract (200 mg), Apple Fruit Cider Vinegar Powder (150 mg), and 5 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Rule One Proteins Lean™, Non-Stim Weight Management safe to take?

Rule One Proteins Lean™, Non-Stim Weight Management, 60 Capsules has been analyzed for ingredient safety across all its components. 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.