Is NOW Silymarin Milk Thistle Extract 150 mg safe while breastfeeding?

Grade A. 3 Safe, 1 Caution, 0 Avoid. No major safety flags.

Clarity Product Analysis

NOW

Silymarin Milk Thistle Extract 150 mg

Name: Silymarin Milk Thistle Extract 150 mg
Brand: NOW

All clear4 of 8 ingredients checked · 0 flagged · 4 clear

No safety flags identified

4Checked

AGrade

3Safe

1Flagged

Buy NOW on Amazon

This product passed Clarity screening with minimal or no flags.

Buy NOW on Amazon →

Affiliate link. Clarity may earn a commission at no extra cost to you.

Full ingredient analysis

Ingredient	Status	Evidence	Notes
Calories	Not in DB
Hypromellose	Safe	Silver	Safe. Vegetarian capsule material. FDA GRAS. Not absorbed systemically.
Milk Thistle Fruit, Seed Extract	Not in DB
Rice Flour	Safe	Silver	Safe. Arsenic in rice does not significantly concentrate in breast milk.
Silymarin flavonoids	Not in DB
Stearic Acid	Safe	Bronze	Natural fatty acid.. Histamine: N/A
Total Carbohydrates	Not in DB
Turmeric	Safe	Gold	Caution during lactation. Limited safety data at supplemental doses.. Histamine: Medium

See all 8 ingredients analyzed. Free, instant access.

According to the Clarity Ingredient Safety Database by Health AI. 4 of 8 ingredients verified against 1,595 evidence-graded entries. Last verified: April 2026. Database version 4.2. Check this product live →

What this means

This product contains no Avoid-rated ingredients. Caution items indicate areas to monitor.

Check any ingredient yourself.

1,595 ingredients. 20+ safety dimensions. Evidence-graded.

Check an Ingredient →

Product analysis by Clarity (Health AI). Based on published evidence for breastfeeding, pregnancy, and general safety. Not medical advice. Formulations may change; verify current ingredients on the label.

Clarity · Checker · Insights · Methodology