Source Naturals Pau D'Arco Extract, 100 Tablets supplement bottle
Source Naturals

Pau D'Arco Extract, 100 Tablets

What We Researched
6 active ingredients analyzed · 4 inactive ingredients decoded · 1 brand certification checked · 2 retailers compared · Last updated: Mar 2026
65
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin A (beta-carotene) 300 mcg 33%
Vitamin C (as ascorbic acid) 20 mg 22%
Calcium (as dibasic calcium phosphate & naturally occurring) 98 mg 8%
Pau D'Arco Bark Extract 1 g
Pau D'Arco (Inner) Bark 50 mg
Bioavailability Fair

Absorption Rating

  • Vitamin A (beta-carotene) Fair
  • Vitamin C (as ascorbic acid) Fair
  • Calcium (as dibasic calcium phosphate & naturally occurring) Fair
  • Pau D'Arco Bark Extract Fair
  • Pau D'Arco (Inner) Bark Poor
Other Ingredients Excellent

Fillers & Additives

  • Dibasic Calcium Phosphate
  • Stearic Acid
  • Silica
  • Modified Cellulose Gum and Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Vitamin A (beta-carotene) 300 mcg Under-dosed
  • Vitamin C (as ascorbic acid) 20 mg Under-dosed
  • Calcium (as dibasic calcium phosphate & naturally occurring) 98 mg Under-dosed
  • Pau D'Arco Bark Extract 1 g Effective
  • Pau D'Arco (Inner) Bark 50 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Dietary Fiber 1 g 2%*
Vitamin A (beta-carotene) 300 mcg 33%
Vitamin C (as ascorbic acid) 20 mg 22%
Calcium (as dibasic calcium phosphate & naturally occurring) 98 mg 8%
Pau D'Arco Bark Extract 1 g
Pau D'Arco (Inner) Bark 50 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Modified Cellulose Gum and Magnesium Stearate Generally_safe

They are used to improve the manufacturing process of supplements.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$13$12$11$10$9 Mar 12 $11.00
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
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Source Naturals Pau D'Arco Extract, 100 Tablets a good supplement?

Source Naturals Pau D'Arco Extract, 100 Tablets received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 6 active ingredients with 50 servings per container. Of the 4 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals Pau D'Arco Extract, 100 Tablets?

Source Naturals Pau D'Arco Extract, 100 Tablets contains 6 active ingredients: Dietary Fiber (1 g), Vitamin A (beta-carotene) (300 mcg), Vitamin C (as ascorbic acid) (20 mg), Calcium (as dibasic calcium phosphate & naturally occurring) (98 mg), Pau D'Arco Bark Extract (1 g), Pau D'Arco (Inner) Bark (50 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Pau D'Arco Extract, 100 Tablets safe to take?

Source Naturals Pau D'Arco Extract, 100 Tablets 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 Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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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.