In my experience, 95% of all prescription drugs, including hormonal contraceptives (oral contraceptives/the pill, patches, IUDs, injections, etc.) cause nutrient deficiencies in the body. This is because of the additional actions that the drug has on the body in addition to the intended action of preventing pregnancy – it may block the absorption, and/or use more of these nutrients for its detoxification/breakdown… … More Nutrient Depletions Caused By the Pill