Prenatal vitamin essentials on Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
A well-rounded prenatal should include a variety of nutrients that are in high demand during pregnancy, such as:
- B vitamins, including folate: Your body needs eight different B vitamins. During pregnancy, your need for these nutrients increases. Most prenatal supplements include all eight B vitamins, but some include only a few. At a minimum, a prenatal should include B12, folate, and B6.
- Choline: Choline needs increase significantly during pregnancy, as choline plays an important role in placental and fetal development. Research suggests up to 95%Trusted Source of pregnant people don’t consume enough choline. A well-designed prenatal should cover at least some of your choline needs.
- DHA and EPA: You need moreTrusted Source of these fatty acids during pregnancy because they’re important for fetal brain developmentTrusted Source. Some prenatals contain them, but most don’t. Most pregnant people take a separate DHA and EPA supplement, like a fish oil or algal oil supplement.
- Vitamin D: Although the current recommended vitamin D intake during pregnancy is 600 IU — the same as for people who aren’t pregnant — needs during pregnancy may beTrusted Source much higher, at about 4,000 IU per day. Most prenatals contain much less, so you may need an extra vitamin D supplement.
- Iron: Iron needs increase during pregnancy. However, as iron intake varies greatly from person to person, people should ideally supplement separately based on iron levels.
- Magnesium, calcium, iodine, and zinc: Needs for these minerals also increase during pregnancy, so a good prenatal will cover all or most of these. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
- Vitamin A: Vitamin A is necessary for fetal eye and organ development, immune system function, and more.
These are just some of the nutrients that are in higher demand during pregnancy. A well-rounded prenatal will provide the additional nutrients your body needs during pregnancy, but it should not replace a balanced diet.
Folate and folic acid are two different forms of vitamin B9, a nutrient involvedTrusted Source in DNA synthesis, cell growth, and protein metabolism: Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
- Folate: a form that’s naturally found in a variety of foods, including leafy green vegetables, beans, nuts, and fruits
- Folic acid: a synthetic form of vitamin B9 that’s often added to supplements and fortified foods
Compared with the folate found naturally in foods, the body absorbs folic acid more efficiently.
Furthermore, folic acid is the only form of folate that has been provenTrusted Source to prevent neural tube defects during pregnancy. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
For this reason, most health organizations recommendTrusted Source taking a folic acid supplement when trying to conceive and through the first 12 weeks of pregnancy.
Read more about the differences between folate and folic acid.
But what about L-methylfolate? Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Many prenatal supplements also contain L-methylfolate (also known as 5-methyltetrahydrofolate, or 5-MTHF), which is the biologically active form of folate. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Because certain genetic mutations — including the MTHFR gene mutation, which affects about 25%Trusted Source of the global population — can affect the body’s ability to efficiently convert folic acid into its active form, supplementing with L-methylfolate might be a better optionTrusted Source for some people.
In fact, a 2023 studyTrusted Source found that this form was as effective as folic acid at increasing folate levels in pregnant people, while also reducing the risk of unmetabolized folic acid in the blood. While more studies are needed, some researchTrusted Source suggests that high levels of unmetabolized folic acid may be harmful to health.
If you’re unsure which form of vitamin B9 is best for you, consult an OB-GYN or another healthcare professional for additional guidance. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Why take a prenatal vitamin? Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
During pregnancy, your needs for vitamins, minerals, and trace elements increase significantlyTrusted Source to support your health and the health and growth of the developing fetus.
For example, your folate needs increase by 50%Trusted Source, and your iron needs increase by 150%Trusted Source.
These and many other nutrients are essential for fetal and placental growth and the general health of the pregnant person, which is why they’re needed in larger amounts during pregnancy.
For example, supplementing with folate before conception significantly reducesTrusted Source the risk of neural tube irregularities such as spina bifida. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Taking a prenatal vitamin that contains all the nutrients needed to support a healthy pregnancy can help reduce the risk of deficiencies and ensure you’re getting the vitamins and minerals you need to keep yourself and your baby healthy.
When should I start taking a prenatal?
Most experts recommend taking a prenatal supplement for at least 3 months before becoming pregnant to ensure adequate stores of key nutrients, such as folate.
If you aren’t already taking a daily prenatal vitamin, start taking one as soon as you find out you’re expecting. You’ll continue taking your prenatal vitamin every day during your pregnancy.
Do I need prenatal vitamins after I give birth? Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Yes, experts also recommend continuing to take a prenatal supplement after you give birth, though there are also several products on the market specifically designed for the postnatal period.
This is because your body needs extra nutrients to support healing after delivery and requires more nutrients during breastfeeding if that’s what you decide to do. In fact, the need for many nutrients is even higher during breastfeeding than during pregnancy. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Prenatal vitamin side effects
Some people may feel nauseated after taking prenatal vitamins. Constipation can also be common, especially if your prenatal provides a large dose of iron. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
If you’re having difficulty tolerating your prenatal, it’s important to talk with a healthcare professional. Here are some general tips for preventing or reducing side effects of prenatal vitamins:
- Take your prenatal with food or in the evening, especially if you’re experiencing bouts of morning sickness.
- Choose a prenatal with a form of iron that’s less likelyTrusted Source to cause constipation, such as iron bisglycinate chelate.
- To prevent constipation, drink plenty of water, increase your fiber intake, and engage in regular exercise.
- Consider trying a different form of prenatal nutrients, such as a powder or gummy supplement.
Frequently asked questions about prenatal vitamins
Experts recommend that all pregnant people take a prenatal supplement. A well-rounded prenatal supplement can help you meet your nutrient needs before, during, and after pregnancy. However, a prenatal vitamin should not replace a balanced diet.
The prenatal supplements we featured in this article can help ensure you’re getting the recommended amount of nutrients to keep you and your little one healthy. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
Last medically reviewed on February 17, 2026
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Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Best Prenatal Vitamins of 2026: Dietitian-Selected and Mom-Approved
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