Source Naturals Silymarin Plus supplement bottle
Source Naturals

Silymarin Plus

What We Researched
5 active ingredients analyzed · 5 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
82
Product Score Good
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as Ascorbic Acid) 200 mg 333%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 50 IU 167%
Silymarin (as Milk Thistle seed extract) 326 mg
Inositol 100 mg
Choline (as Choline Bitartrate) 83 mg
Bioavailability Good

Absorption Rating

  • Vitamin C (as Ascorbic Acid) Fair
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) Good
  • Silymarin (as Milk Thistle seed extract) Good
  • Inositol Good
  • Choline (as Choline Bitartrate) Poor
Other Ingredients Excellent

Fillers & Additives

  • Sorbitol
  • Stearic Acid
  • Modified Cellulose Gum
  • Silica
  • Magnesium Stearate
Efficacy Good

Dosage Analysis

  • Vitamin C (as Ascorbic Acid) 200 mg Effective
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) 50 IU Effective
  • Silymarin (as Milk Thistle seed extract) 326 mg Effective
  • Inositol 100 mg Under-dosed
  • Choline (as Choline Bitartrate) 83 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as Ascorbic Acid) 200 mg 333%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 50 IU 167%
Silymarin (as Milk Thistle seed extract) 326 mg
Inositol 100 mg
Choline (as Choline Bitartrate) 83 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

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.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

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
Related Supplements
Frequently Asked Questions
Is Source Naturals Silymarin Plus a good supplement?

Source Naturals Silymarin Plus received a product quality score of 82/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 5 active ingredients with 30 servings per container. Of the 5 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 Silymarin Plus?

Source Naturals Silymarin Plus contains 5 active ingredients: Vitamin C (as Ascorbic Acid) (200 mg), Vitamin E (as D-Alpha-Tocopheryl Succinate) (50 IU), Silymarin (as Milk Thistle seed extract) (326 mg), Inositol (100 mg), Choline (as Choline Bitartrate) (83 mg). Notable high-dose ingredients include Vitamin C at 333% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Silymarin Plus safe to take?

Source Naturals Silymarin Plus 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.

Scan Any Supplement Instantly

Download GoodSupp to scan barcodes, check ingredient safety, and find the best supplements for your needs.

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.