Vitamins & Supplements During Pregnancy
- Sarah Granek
- Sep 23, 2024
- 2 min read
A Safety Guide

Pregnancy can be overwhelming, especially when it comes to vitamins and supplements. While some nutrients are crucial, others should be avoided. This guide clarifies which supplements are generally safe during pregnancy and why some should be avoided.
Why Supplement During Pregnancy? Pregnancy increases nutrient needs significantly. While a well-planned diet can meet these needs, supplements may be necessary due to:
Nutrient deficiencies
Severe morning sickness
Dietary restrictions
Smoking
Multiple pregnancies
Genetic factors
Poor nutrition
Experts recommend prenatal vitamins and folic acid for all pregnant women to prevent nutritional gaps and birth defects.
Safe Supplements:
Prenatal vitamins: These are specifically formulated to meet increased nutrient needs during pregnancy. They typically contain appropriate amounts of essential vitamins and minerals to support fetal development and maternal health.
Folate/Folic acid: Critical for preventing neural tube defects. It's recommended to take at least 600 mcg daily. Folate is crucial for DNA synthesis and fetal development.
Iron: Necessary for increased blood volume and to prevent anemia. The recommended intake is 27 mg per day during pregnancy.
Vitamin D: Important for immune function, bone health, and cell division. Deficiency has been linked to various pregnancy complications.
Magnesium: Involved in numerous bodily functions. May reduce the risk of complications like preterm birth and fetal growth restriction.
Ginger: Can help alleviate pregnancy-induced nausea and vomiting. Studies have shown it to be generally safe and effective.
Fish oil (DHA/EPA): May support fetal brain and eye development. While benefits are not conclusively proven, it's considered safe and potentially beneficial.
Probiotics: May reduce the risk of certain pregnancy complications and support digestive health. Generally considered safe during pregnancy.
Choline: Vital for fetal brain development. Many prenatal vitamins don't contain adequate amounts, so supplementation may be recommended.
Supplements to Avoid:
Excessive Vitamin A: While some Vitamin A is necessary, excess amounts can accumulate in the liver and potentially cause birth defects.
Vitamin E supplements: Extra supplementation hasn't shown benefits and may increase risks of certain complications.
Black cohosh: Can cause uterine contractions, potentially leading to preterm labor. Also associated with liver damage.
Goldenseal: Contains berberine, which can worsen jaundice in infants and potentially lead to brain damage.
Dong quai: May stimulate uterine contractions, increasing miscarriage risk.
Yohimbe: Associated with dangerous side effects like high blood pressure, heart attacks, and seizures.
Other herbal supplements: Many herbs lack sufficient safety data for use during pregnancy. Some may have effects on hormones or uterine contractions that could be harmful.
It's important to note that while these guidelines are generally applicable, individual circumstances may vary. Always consult with a healthcare provider before starting or stopping any supplement during pregnancy. They can provide personalized advice based on your specific health needs and situation..
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