Source Naturals Pantethine, 300 mg supplement bottle
Source Naturals

Pantethine, 300 mg Review

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 2 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
75
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
Pantothenic Acid (as pantethine) 300 mg 3000%
Bioavailability Excellent

Absorption Rating

  • Pantothenic Acid (as pantethine) Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Modified Cellulose Gum
  • Colloidal Silicon Dioxide
  • Stearic Acid
Efficacy Excellent

Dosage Analysis

  • Pantothenic Acid (as pantethine) 300 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Pantothenic Acid (as pantethine) 300 mg 3000%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Modified Cellulose Gum Generally_safe

It is used to improve the texture and stability of products.

Colloidal Silicon Dioxide Generally_safe

It prevents clumping and improves powder flow.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 1511 products · sourcenaturals.com/

Certifications

2 certifications
Fda Gmp Inspections Verified Source
Non-GMO Project Verified Verified

Transparency

3 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Contains Proprietary Blend — True
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Frequently Asked Questions
Is Source Naturals Pantethine, 300 mg a good supplement?

Source Naturals Pantethine, 300 mg received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 30 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 75/100 with 2 verified certifications including Fda Gmp Inspections, Non-GMO Project Verified.

What are the ingredients in Source Naturals Pantethine, 300 mg?

Source Naturals Pantethine, 300 mg contains 1 active ingredients: Pantothenic Acid (as pantethine) (300 mg). Notable high-dose ingredients include Pantothenic Acid at 3000% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Pantethine, 300 mg safe to take?

Source Naturals Pantethine, 300 mg 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 75/100 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 1511 products in their lineup. They hold 2 verified certifications including Fda Gmp Inspections, Non-GMO Project Verified. 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 — 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.