How affective is birth control when taking diet supplements such as vitamins and cla?

BC and vitamins. Most vitamins will not interfer with bc. However there are some herbs that can interfer and you should talk with your doctor if you are using herbs.

Related Questions

Can taking too many vitamin C supplements with birth control cause it to be less effective?

No- maybe more! If anything, vitamin c may make oral contraceptives more effective by reducing the rate at which your liver clears estrogen from your system, thus slightly raising estrogen levels in some women- this is probably not clinically significant. Vitamin c also improves absorption of the iron it contains. Read more...

I read that taking high doses of vitamin C can affect birth control effectiveness. I am on seasonique and take vit. C supplement about 560 mg per day?

Unlikely. A study has shown that the increase in availability of estrogen in women taking a lot of vitamin c is not of any clinical significance. Vitamin c does not decrease the effectiveness of the pills, although huge doses may cause mild symptoms of excess estrogen. Read more...
Not an issue. That is a small dose of vitamin c. Why do you feel you need to take it in the first place? It has no benefits at that dose. Read more...

Can taking too many vitamin supplements, or taking too many vitamin supplements in high quantity affect/ counteract with birth control?

Yes. Vitamins don't interfere with birth control pills; however, there are some supplements that in high doses could interfere with birth control pills. Some examples are St. John's Wort, Soy Isoflavones, and Chaste-berry. If you are on a particular herb, check it for interactions or ask you doctor. Best wishes! Read more...