Grapefruit Seed Extract

Citrus paradisi (seed)

Family: Rutaceae Evidence: D extractcapsule

Controversial extract — antimicrobial effects may be from added synthetic preservatives, not the grapefruit itself. Some products contain benzethonium chloride.

Safety Profile

PregnancyInsufficient Data
BreastfeedingInsufficient Data
PediatricNot Recommended

Contraindications

Quality concerns — many products adulterated with synthetic antimicrobials.

Interactions

May interact with medications metabolized by CYP3A4 (same as grapefruit juice).

Side Effects

GI irritation. Quality/purity concerns.

Allergy: Citrus allergy.
This information is for educational purposes only. It is not medical advice. Consult a qualified healthcare provider before using any herbal product.