Is Life Extension St. John's Wort Extract Caps 300 mg safe while breastfeeding?

Grade D. 1 Safe, 0 Caution, 1 Avoid. Contains flagged ingredients.

Clarity Product Analysis

Life Extension

St. John's Wort Extract Caps 300 mg

Name: St. John's Wort Extract Caps 300 mg
Brand: Life Extension

Contains avoids2 of 4 ingredients checked · 1 safe · 0 caution · 1 avoid

1 ingredient(s) rated Avoid

2Checked

DGrade

1Safe

1Flagged

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Full ingredient analysis

Ingredient	Verdict	Evidence	Notes
Ascorbyl Palmitate	Not in DB
Rice Flour	Safe	Silver	Safe. Arsenic in rice does not significantly concentrate in breast milk.
St. John's Wort extract	Avoid	Silver	AVOID. Induces CYP3A4 — reduces effectiveness of many medications including contraceptives, antih.... Cycle: CYP3A4 inducer. Reduces contraceptive effectiveness.
Vegetable Cellulose	Not in DB

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According to the Clarity Ingredient Safety Database by Health AI. 2 of 4 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 ingredients rated Avoid. Review the flagged ingredients and discuss with your provider.

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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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