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A member asked:

I've been on yaz (drospirenone and ethinyl estradiol) for many years now. recent blood test showed a b12 deficiency. was recommended a b100 complex vitamin. will this interact with yaz (drospirenone and ethinyl estradiol)?

1 doctor answer1 doctor weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
Should be fine: B-vitamin supplements or multi-vitamin supplements should not interact with birth control pills. The effectiveness of the birth control pills does not decrease just because a person is taking typical over-the-counter vitamin supplements.

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Last updated Aug 9, 2016

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