Source Naturals Ascorbyl Palmitate 500 mg supplement bottle
Source Naturals

Ascorbyl Palmitate 500 mg

What We Researched
3 active ingredients analyzed · 6 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
79
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbyl Palmitate) 203 mg 338%
Calcium (as Dibasic Calcium Phosphate) 106 mg 11%
Ascorbyl Palmitate (as Vitamin C Ester) 500 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Ascorbyl Palmitate) Fair
  • Calcium (as Dibasic Calcium Phosphate) Fair
  • Ascorbyl Palmitate (as Vitamin C Ester) Good
Other Ingredients Excellent

Fillers & Additives

  • Dibasic Calcium Phosphate
  • Microcrystalline Cellulose
  • Stearic Acid
  • Hydroxypropyl Cellulose
  • Modified Cellulose Gum
  • Silica
Efficacy Fair

Dosage Analysis

  • Vitamin C (as Ascorbyl Palmitate) 203 mg Effective
  • Calcium (as Dibasic Calcium Phosphate) 106 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbyl Palmitate) 203 mg 338%
Calcium (as Dibasic Calcium Phosphate) 106 mg 11%
Ascorbyl Palmitate (as Vitamin C Ester) 500 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.

Microcrystalline Cellulose Safe

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

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Modified Cellulose Gum Generally_safe

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

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

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 Ascorbyl Palmitate 500 mg a good supplement?

Source Naturals Ascorbyl Palmitate 500 mg received a product quality score of 79/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 3 active ingredients Of the 6 inactive ingredients, 4 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 Ascorbyl Palmitate 500 mg?

Source Naturals Ascorbyl Palmitate 500 mg contains 3 active ingredients: Vitamin C (as Ascorbyl Palmitate) (203 mg), Calcium (as Dibasic Calcium Phosphate) (106 mg), Ascorbyl Palmitate (as Vitamin C Ester) (500 mg). Notable high-dose ingredients include Vitamin C at 338% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Ascorbyl Palmitate 500 mg safe to take?

Source Naturals Ascorbyl Palmitate 500 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 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.