Ronnie Coleman Signature Series, King Test 8X® supplement bottle
Ronnie Coleman

Signature Series, King Test 8X® Review

What We Researched
7 active ingredients analyzed · 1 brand certification checked · Page generated: Sep 2026
67
Product Score Fair
61
Brand Score Fair

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin D (as Cholecalciferol) 500 IU 125%
D-Aspartic Acid 3,120 mg ‡
Agmatine Sulfate 1,000 mg ‡
Carnitine Fumarate 1,000 mg ‡
AI MetabolizerDIM (3,3'-Diindolylmethane) 100 mg ‡
Absorption AgentAstraGin™ (Astragalus Membranceus & Panax Notoginseng) (root) 50 mg ‡
Performance & Enhancement SystemTaurine, Horny Goat Weed (Epimedium grandiflorum) (leaf), Nettles (Urtica dioica) (root), Green Tea Extract (Camellia Sinensis) (leaf) & Calcium D-Glucarate 1,305 mg ‡
Bioavailability Fair

Absorption Rating

  • Vitamin D (as Cholecalciferol) Good
  • D-Aspartic Acid Good
  • Agmatine Sulfate Good
  • Carnitine Fumarate Poor
  • AI MetabolizerDIM (3,3'-Diindolylmethane) Poor
  • Absorption AgentAstraGin™ (Astragalus Membranceus & Panax Notoginseng) (root) Fair
  • Performance & Enhancement SystemTaurine, Horny Goat Weed (Epimedium grandiflorum) (leaf), Nettles (Urtica dioica) (root), Green Tea Extract (Camellia Sinensis) (leaf) & Calcium D-Glucarate Fair
Other Ingredients Fair

Fillers & Additives

No inactive ingredient data available.

Efficacy Good

Dosage Analysis

  • Vitamin D (as Cholecalciferol) 500 IU Under-dosed
  • D-Aspartic Acid 3,120 mg High
  • Agmatine Sulfate 1,000 mg Under-dosed
  • Carnitine Fumarate 1,000 mg Effective
  • AI MetabolizerDIM (3,3'-Diindolylmethane) 100 mg Effective
  • Performance & Enhancement SystemTaurine, Horny Goat Weed (Epimedium grandiflorum) (leaf), Nettles (Urtica dioica) (root), Green Tea Extract (Camellia Sinensis) (leaf) & Calcium D-Glucarate 1,305 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin D (as Cholecalciferol) 500 IU 125%
D-Aspartic Acid 3,120 mg ‡
Agmatine Sulfate 1,000 mg ‡
Carnitine Fumarate 1,000 mg ‡
AI MetabolizerDIM (3,3'-Diindolylmethane) 100 mg ‡
Absorption AgentAstraGin™ (Astragalus Membranceus & Panax Notoginseng) (root) 50 mg ‡
Performance & Enhancement SystemTaurine, Horny Goat Weed (Epimedium grandiflorum) (leaf), Nettles (Urtica dioica) (root), Green Tea Extract (Camellia Sinensis) (leaf) & Calcium D-Glucarate 1,305 mg ‡
Brand Trust Report
Ronnie Coleman

Founded 2011 · Boynton Beach, Florida, United States · 52 products · ronniecoleman.net/

Certifications

1 certification
Fda Gmp Inspections Source available Primary evidence

Transparency

2 claims
Third Party Testing Claim — Claimed Evidence available Evidence

Violation History

3 incidents
Lawsuit Defective packaging provided by suppliers caused widespread product failures.2024 Source available Primary source
Fda Warning Product 'BETASTIM 45 SCOOPS' was considered adulterated because it contained a new dietary ingredient, Acacia rigidula, for which a New Dietary Ingredient notification was not submitted to the FDA.2016-03-07 Source available Primary source
Prop 65 Lead2014-08-29 Source available Primary source
Related Supplements
Frequently Asked Questions
Is Ronnie Coleman Signature Series, King Test 8X® a good supplement?

Ronnie Coleman Signature Series, King Test 8X® received a product quality score of 67/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 7 active ingredients with 15 servings per container. The manufacturer, Ronnie Coleman, holds a brand trust score of 61/100.

What are the ingredients in Ronnie Coleman Signature Series, King Test 8X®?

Ronnie Coleman Signature Series, King Test 8X® contains 7 active ingredients: Vitamin D (as Cholecalciferol) (500 IU), D-Aspartic Acid (3,120 mg), Agmatine Sulfate (1,000 mg), Carnitine Fumarate (1,000 mg), AI MetabolizerDIM (3,3'-Diindolylmethane) (100 mg), Absorption AgentAstraGin™ (Astragalus Membranceus & Panax Notoginseng) (root) (50 mg), and 1 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Ronnie Coleman Signature Series, King Test 8X® safe to take?

GoodSupp reviewed the inactive-ingredient data available for Ronnie Coleman Signature Series, King Test 8X®. This label analysis cannot determine whether the product is safe for a particular person, and source labels may change. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Ronnie Coleman a trustworthy supplement brand?

Ronnie Coleman receives a brand trust score of 61/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2011 and headquartered in Boynton Beach, Florida, United States, the company offers 52 products in their lineup. Note: Ronnie Coleman has 3 historical regulatory incidents 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 — read our methodology. 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.