Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels supplement bottle
Irwin Naturals

Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels

What We Researched
14 active ingredients analyzed · 10 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
63
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Medium Chain Triglyceride (MCT) Oil 2400 mg
L-Citrulline 1500 mg
Fenugreek extract (4:1)(seed) 200 mg
Ginkgo (Ginkgo biloba) extract (leaf) 120 mg
Beet powder (root) 100 mg
LJ100® Tongkat Ali (Eurycoma longifolia) extract (root) 100 mg
Cayenne powder (30,000 HU) (fruit) 60 mg
Beta Sitosterol 33 mg
Asian Ginseng extract (4% ginsenosides, 0.8 mg)(root) 20 mg
BioPerine ComplexBioPerine® Black Pepper extract (95% piperine) (fruit), Ginger extract (5% gingerols) (rhizome) 6 mg
Bioavailability Very Good

Absorption Rating

  • Medium Chain Triglyceride (MCT) Oil Good
  • L-Citrulline Good
  • Fenugreek extract (4:1)(seed) Fair
  • Ginkgo (Ginkgo biloba) extract (leaf) Poor
  • Beet powder (root) Fair
  • LJ100® Tongkat Ali (Eurycoma longifolia) extract (root) Good
  • Cayenne powder (30,000 HU) (fruit) Fair
  • Beta Sitosterol Good
  • Asian Ginseng extract (4% ginsenosides, 0.8 mg)(root) Good
  • BioPerine ComplexBioPerine® Black Pepper extract (95% piperine) (fruit), Ginger extract (5% gingerols) (rhizome) Good
Other Ingredients Good

Fillers & Additives

  • Gelatin
  • Water
  • Purified
  • Glycerin
  • Annatto
  • Soy Lecithin
  • Beeswax
  • Silicon Dioxide
  • Titanium Dioxide High
  • Maltodextrin
Efficacy Poor

Dosage Analysis

  • Medium Chain Triglyceride (MCT) Oil 2400 mg Under-dosed
  • L-Citrulline 1500 mg Under-dosed
  • Fenugreek extract (4:1)(seed) 200 mg Under-dosed
  • Ginkgo (Ginkgo biloba) extract (leaf) 120 mg Effective
  • Beet powder (root) 100 mg Under-dosed
  • LJ100® Tongkat Ali (Eurycoma longifolia) extract (root) 100 mg Under-dosed
  • Cayenne powder (30,000 HU) (fruit) 60 mg High
  • Beta Sitosterol 33 mg Under-dosed
  • Asian Ginseng extract (4% ginsenosides, 0.8 mg)(root) 20 mg Under-dosed
  • BioPerine ComplexBioPerine® Black Pepper extract (95% piperine) (fruit), Ginger extract (5% gingerols) (rhizome) 6 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 45
Total Fat 2.5 g 3%**
Saturated Fat 2.5 g 12%**
Protein 4 g
Medium Chain Triglyceride (MCT) Oil 2400 mg
L-Citrulline 1500 mg
Fenugreek extract (4:1)(seed) 200 mg
Ginkgo (Ginkgo biloba) extract (leaf) 120 mg
Beet powder (root) 100 mg
LJ100® Tongkat Ali (Eurycoma longifolia) extract (root) 100 mg
Cayenne powder (30,000 HU) (fruit) 60 mg
Beta Sitosterol 33 mg
Asian Ginseng extract (4% ginsenosides, 0.8 mg)(root) 20 mg
BioPerine ComplexBioPerine® Black Pepper extract (95% piperine) (fruit), Ginger extract (5% gingerols) (rhizome) 6 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Water Safe

Dissolves and carries water-soluble ingredients.

Purified Unknown
Glycerin Safe

Retains moisture and helps dissolve ingredients in softgels and liquids.

Annatto Safe

Provides natural color to supplements.

Soy Lecithin Safe

Helps blend oil and water-based ingredients. Common allergen.

Beeswax Safe

Used as a coating and to help form softgel capsules.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$39$37$35$33$31 Mar 12 $37.00$32.99
iHerb
Vitacost

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

Brand Trust Report
Irwin Naturals

Founded 1994 · Los Angeles, California, United States · 130 products · irwinnaturals.com/

Certifications

1 certification
Nsf Gmp Verified Source

Transparency

4 claims
Third Party Testing Claim — Verified Source
Coa Availability — Verified Source
Testing Lab Disclosure — Claimed

Violation History

2 incidents
Lawsuit Deceptively marketing products as 'natural' while they contain synthetic ingredients.2021Source
Prop 65 Lead2011-02-02Source
Related Supplements
Frequently Asked Questions
Is Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels a good supplement?

Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels received a product quality score of 63/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 14 active ingredients with 15 servings per container. Of the 10 inactive ingredients, 7 are rated safe and 1 are flagged for review. The manufacturer, Irwin Naturals, holds a brand trust score of 78/100 with 1 verified certifications including Nsf Gmp.

What are the ingredients in Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels?

Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels contains 14 active ingredients: Calories (45), Total Fat (2.5 g), Saturated Fat (2.5 g), Protein (4 g), Medium Chain Triglyceride (MCT) Oil (2400 mg), L-Citrulline (1500 mg), and 8 more. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels safe to take?

Irwin Naturals Testosterone UP RED® with Nitric Oxide Booster, 60 Liquid Soft-Gels has been analyzed for ingredient safety across all its components. Of 10 inactive ingredients, 7 are rated safe. 1 ingredient is flagged for review: Titanium Dioxide. 'Caution' doesn't mean dangerous — it indicates the ingredient has some considerations worth being aware of, such as potential sensitivities or ongoing research. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Irwin Naturals a trustworthy supplement brand?

Irwin Naturals receives a brand trust score of 78/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1994 and headquartered in Los Angeles, California, United States, the company offers 130 products in their lineup. They hold 1 verified certifications including Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Irwin Naturals has 2 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. 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.