If at 9:30 I took a dose of vitamin C greater than 1000 mg, and I take birth control pills by 21, will vitamin C reduce their effectiveness?
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Małgorzata Bekier Pharmacist
2 years ago
No, to my knowledge this should not affect the effectiveness of contraception. I leave a link to the text related to this topic: https://www.gdziepolek.pl/artykuly/jakie-leki-oslabiaja-skutecznosc-antykoncepcji