Citrus paradisi (seed)
Controversial extract — antimicrobial effects may be from added synthetic preservatives, not the grapefruit itself. Some products contain benzethonium chloride.
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If you take any medications, review these interactions carefully.
May interact with medications metabolized by CYP3A4 (same as grapefruit juice).
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GI irritation. Quality/purity concerns.
Full dosage ranges, extraction ratios, and step-by-step preparation instructions for Grapefruit Seed Extract are available to members.
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