Irwin Naturals 3-In-1 Carb Blocker®, Maximum Strength, 75 Liquid Soft-Gels supplement bottle
Irwin Naturals

3-In-1 Carb Blocker®, Maximum Strength, 75 Liquid Soft-Gels

What We Researched
11 active ingredients analyzed · 13 inactive ingredients decoded · 1 brand certification checked · 3 retailers compared · Last updated: Mar 2026
74
Product Score Fair
78
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g <1%**
Chromium (as Chromium Picolinate) 125 mcg 357%
Common Bean (White Kidney Bean) extract (20:1) (seed) 1000 mg †
Flax Seed Oil (seed) 800 mg †
Cassia (Cinnamon)(Cinnamomum aromaticum) extract (6:1)(bark) 100 mg †
Lipase 20 mg †
Protease 20 mg †
Bioperine ComplexBioperine® Black Pepper extract (95% piperine) (fruit), Ginger extract (5% gingerols)(rhizome) 6 mg †
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Chromium (as Chromium Picolinate) Good
  • Common Bean (White Kidney Bean) extract (20:1) (seed) Good
  • Flax Seed Oil (seed) Good
  • Cassia (Cinnamon)(Cinnamomum aromaticum) extract (6:1)(bark) Fair
  • Lipase Good
  • Protease Good
  • Bioperine ComplexBioperine® Black Pepper extract (95% piperine) (fruit), Ginger extract (5% gingerols)(rhizome) Good
Other Ingredients Good

Fillers & Additives

  • Gelatin
  • Water
  • Purified
  • Glycerin
  • Maltodextrin
  • Soy Lecithin
  • Beeswax
  • Dextrin
  • Annatto
  • Titanium Dioxide High
  • St. John's Bread
  • Turmeric
  • Silicon Dioxide
Efficacy Good

Dosage Analysis

  • Chromium (as Chromium Picolinate) 125 mcg Effective
  • Common Bean (White Kidney Bean) extract (20:1) (seed) 1000 mg Effective
  • Flax Seed Oil (seed) 800 mg Under-dosed
  • Cassia (Cinnamon)(Cinnamomum aromaticum) extract (6:1)(bark) 100 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 20
Total Fat 1 g 2%**
Total Carbohydrates 1 g <1%**
Protein 1 g
Chromium (as Chromium Picolinate) 125 mcg 357%
Common Bean (White Kidney Bean) extract (20:1) (seed) 1000 mg †
Flax Seed Oil (seed) 800 mg †
Cassia (Cinnamon)(Cinnamomum aromaticum) extract (6:1)(bark) 100 mg †
Lipase 20 mg †
Protease 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.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Soy Lecithin Safe

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

Beeswax Safe

Used as a coating and to help form softgel capsules.

Dextrin Generally_safe

It is used as a filler, binder, or coating agent.

Annatto Safe

Provides natural color to supplements.

Titanium Dioxide Caution

Used as a whitening agent in tablet coatings and capsules.

St. John's Bread Unknown
Turmeric Safe

Provides natural yellow color.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Price Comparison

Target $19.99 $0.54 / serving
Best Price
iHerb $23.13 $0.63 / serving

Price History

Tracked across major retailers. Updated periodically.

$25$24$23$22$21 Mar 12 $23.00
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
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
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Frequently Asked Questions
Is Irwin Naturals 3-In-1 Carb Blocker®, Maximum Strength a good supplement?

Irwin Naturals 3-In-1 Carb Blocker®, Maximum Strength, 75 Liquid Soft-Gels received a product quality score of 74/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 11 active ingredients with 37 servings per container. Of the 13 inactive ingredients, 8 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 3-In-1 Carb Blocker®, Maximum Strength?

Irwin Naturals 3-In-1 Carb Blocker®, Maximum Strength contains 11 active ingredients: Calories (20), Total Fat (1 g), Total Carbohydrates (1 g), Protein (1 g), Chromium (as Chromium Picolinate) (125 mcg), Common Bean (White Kidney Bean) extract (20:1) (seed) (1000 mg), and 5 more. Notable high-dose ingredients include Chromium at 357% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Irwin Naturals 3-In-1 Carb Blocker®, Maximum Strength safe to take?

Irwin Naturals 3-In-1 Carb Blocker®, Maximum Strength, 75 Liquid Soft-Gels has been analyzed for ingredient safety across all its components. Of 13 inactive ingredients, 8 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.