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Essential Prenatal Vitamins: What You Need to Know

Pregnant woman sitting on bed wearing pink pajamas

Health & Wellness

If you’re pregnant, or hoping to be, one of the best ways to take care of yourself and your baby is by taking a prenatal vitamin. These vitamins give your body extra nutrients during pregnancy.

Even if you eat healthy, a prenatal vitamin helps fill in any gaps.

Why Prenatal Vitamins Matter

Your body works hard during pregnancy, and it needs more nutrients to support your growing baby. Prenatal vitamins help by providing important nutrients you might not get from food alone.

Prevent birth defects:

Folic acid is one of the most important ingredients. It helps prevent serious problems with the baby’s brain and spine, called neural tube defects. These happen early in pregnancy, sometimes before you even know you’re pregnant. That’s why doctors say to start taking folic acid at least one month before trying to get pregnant.

Support brain and spinal development:

Nutrients like folic acid, iron, iodine, and DHA help your baby’s brain and spinal cord grow the right way.

Give you what food might not:

It can be hard to eat the perfect diet every day. Vitamins help make sure you’re getting enough iron, vitamin D, and choline.

Keep you healthy too:

Iron can prevent anemia, which causes tiredness. Calcium and vitamin D keep your bones strong. B vitamins help with energy and stress. These all help you feel better throughout pregnancy.

Key Nutrients to Look For in Prenatal Vitamins

  • Folic acid: Get 400 to 800 micrograms (mcg) a day. It helps prevent birth defects.
  • Vitamin D: Helps build strong bones and may reduce pregnancy problems. Look for 600 to 800 IU daily.
  • Iron: Prevents anemia and helps carry oxygen to your baby.
  • Calcium: Supports your baby’s bones and teeth.
  • Choline and DHA: Help with brain development. DHA is a healthy fat often found in fish oil.
  • Other helpful vitamins: B-complex, vitamin C, and vitamin E are often included too.

When Should You Start Taking Prenatal Vitamins?

The best time to start is before you get pregnant. But if you’re already pregnant, start as soon as possible, especially during the first 12 weeks.

You can find prenatal vitamins at the store or through a prescription.

How to Choose the Best Prenatal Vitamins

Every woman is different. Some women need more iron, calcium, or vitamin D depending on their health and diet. Talk to your doctor or midwife about what’s best for you. They may suggest a certain brand or dose based on your needs.

When picking a prenatal vitamin, look for:

  • At least 400 mcg of folic acid
  • 600 to 800 IU of vitamin D
  • Iron and calcium
  • DHA or omega-3s
  • Choline (if possible)
  • Labels that say tested by groups like USP or NSF
  • A formula that fits your diet (gluten-free, vegan, etc.)

Watch Out for Side Effects

Some women feel sick or get constipated from prenatal vitamins. This is often due to iron.
To help:

  • Drink more water
  • Eat fiber-rich foods like fruit, veggies, and whole grains
  • Go for gentle movement like walking or stretching

If problems don’t go away, ask your doctor about switching your prenatal vitamins or using a stool softener.

What to Avoid

Don’t take more than the recommended dose. Too much of certain vitamins, like vitamin A, can be harmful to your baby. Also, avoid vitamins with added sugars, dyes, or unnecessary extras.

A Few Red Flags

  • Too much vitamin A can be risky
  • Not enough vitamin D is common in cheaper vitamins
  • No choline means missing out on an important brain booster
  • Poor DHA sources might mean low-quality fish oil
  • No third-party testing could mean lower quality.

Give Your Baby a Healthy Start

Taking a prenatal vitamin is an easy way to support your baby’s health and your own. Remember to:

  • Start before or as soon as you know you’re pregnant
  • Talk to your doctor about the best option for you
  • Keep eating healthy, stay active, and go to your prenatal visits

Healthy Habits to Support Your Prenatal Vitamins

Taking your prenatal vitamin is just one part of staying healthy during pregnancy. A few more simple steps can help you feel your best and support your baby’s growth:

  • Get more rest, try to stick to a sleep schedule, take naps when needed, and avoid screen time before bedtime and while in bed to help your body wind down
  • Eat a balanced diet full of fruits, vegetables, whole grains, and lean proteins
  • Stay active with gentle movement like walking, swimming, or prenatal yoga
  • Drink plenty of water throughout the day
  • Stay on track with your prenatal care by keeping all your prenatal appointments

Looking for an OB-GYN or maternity care provider? We’re here to help, request an appointment today.

To schedule a tour of any of our maternity hospitals, call 305-585-4MOM.