Is NOW Extra Strength Milk Thistle Extract 450 mg safe while breastfeeding?

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

Clarity Product Analysis

NOW

Extra Strength Milk Thistle Extract 450 mg

Name: Extra Strength Milk Thistle Extract 450 mg
Brand: NOW

All clear4 of 11 ingredients checked · 3 safe · 1 caution · 0 avoid

1 ingredient(s) rated Caution

4Checked

AGrade

3Safe

1Flagged

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Full ingredient analysis

Ingredient	Verdict	Evidence	Notes
Bovine Gelatin	Not in DB
Calories	Not in DB
Caramel color	Caution	Gold	Caution advised during lactation.
Glycerin	Safe	Gold
Milk Thistle Fruit, Seed Extract	Not in DB
Silicon Dioxide	Safe	Gold
Silymarin Flavonoids	Not in DB
Sunflower Lecithin	Not in DB
Sunflower Oil	Safe	Gold
Total Fat	Not in DB
Water	Not in DB

See all 11 ingredients analyzed. Free, instant access.

According to the Clarity Ingredient Safety Database by Health AI. 4 of 11 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.

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

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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.

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