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#4 in Herbal Supplements Third-Party Tested

NOW Foods Milk Thistle 300mg

by NOW Foods

"Standardized milk thistle extract with 80% silymarin — 200 capsules of liver-protective support from the most trusted herbal brand"

Amazon Rating
4.6/5
Reviews
22,000+
Price Range
$14-20
Servings
200 capsules
GMP CertifiedNon-GMONPA A-Rated
Our Editorial Rating
8.3
Very Good
FormCapsule
SubcategoryLiver Support
View on Amazon

Overview

NOW Foods Milk Thistle provides 300mg of milk thistle extract standardized to 80% silymarin, the active compound responsible for liver-protective effects. Silymarin has been extensively studied for its hepatoprotective properties, including supporting liver cell regeneration and acting as an antioxidant in liver tissue. With 200 capsules at under $20, it's one of the best values in liver support supplements. NOW Foods' rigorous testing ensures consistent silymarin content.

Key Ingredients

IngredientAmount
Milk Thistle Extract (80% Silymarin)300 mg
Silymarin240 mg

Pros & Cons

What We Like

  • 200 capsules (6+ month supply)
  • 80% silymarin standardization
  • 22,000+ reviews
  • Under $20
  • NOW Foods quality

What Could Be Better

  • Single ingredient (no liver complex)
  • Not phospholipid-bound (lower absorption)
  • May interact with medications
  • Standard extract (not Silybin Phytosome)

Who Is This For?

Best For

  • Liver health support
  • Those on medications affecting liver
  • Post-alcohol recovery support
  • Long-term liver maintenance

Not Ideal For

  • Those wanting enhanced absorption
  • Those wanting liver complex blend
  • Those on certain medications (check interactions)

Our Verdict

8.3/10 — Very Good

NOW Milk Thistle is the liver support staple — 200 capsules of standardized silymarin at an unbeatable price. The 80% silymarin standardization ensures meaningful liver-protective activity.

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