First, there’s no scientific evidence that proves prenatal vitamins benefit hair and nails. Taking them when you don’t need to -- like when you’re on birth control -- could cause problems. Here’s what you need to know.
Prenatal vitamins are generally safe. The problem is they may have more nutrients than your body needs if you’re not pregnant. That could bring about unwanted side effects. These include:
Calcium. It’s great for your bones, but too much can cause:
If you’re having trouble growing your hair or nails, a dermatologist (a doctor who specializes in hair, skin, and nails) can help you figure out why.
Whole foods are the best source of nutrients. Eating a variety of these foods should give you what you need if you’re in good health. They include:
If you still think you need a supplement, talk to your doctor. They can help you choose the right one. They’ll also make sure it won’t affect any medications you may be taking.