Is 800 mcg of Folic Acid Safe in Early Pregnancy? - Obstetrics and Gynecology

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Folic acid supplementation in early pregnancy?


Hello, I am currently in the early stages of pregnancy.
I purchased Yongxin Yunbu folic acid tablets, which contain B6 8.23 mg, B12 12 mcg, C 97 mg, folic acid 800 mcg, iron 15 mg, and flaxseed oil 10 mg.
Is taking 800 mcg of folic acid per day too much? I've also heard that supplementing with iron in the early stages can cause fetal malformations.
Is this true? Thank you.

Xiao You, 30~39 year old female. Ask Date: 2015/02/26

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, taking one pill a day should be fine.
If your diet is balanced, you may not necessarily need to supplement these nutrients.
Wishing you good health!

Reply Date: 2015/02/26

More Info


Folic acid is a crucial nutrient during early pregnancy, and the recommended daily intake for pregnant women is typically around 400 to 800 micrograms (mcg). This recommendation is based on extensive research indicating that adequate folic acid intake can significantly reduce the risk of neural tube defects (NTDs) in the developing fetus. Neural tube defects are serious birth defects of the brain and spine, and they can occur in the early stages of pregnancy, often before a woman even knows she is pregnant.

In your case, taking 800 mcg of folic acid daily is considered safe and is within the recommended guidelines for pregnant women. The amount you mentioned in your supplement, which includes additional vitamins such as B6, B12, vitamin C, iron, and flaxseed oil, is designed to support overall maternal health and fetal development. It is important to note that while folic acid is beneficial, excessive intake of certain vitamins can lead to complications. However, the upper limit for folic acid is generally set at 1,000 mcg per day for adults, which means your intake of 800 mcg is well within safe limits.

Regarding your concern about iron supplementation during early pregnancy, it is essential to understand that iron is also a vital nutrient for pregnant women. It helps in the formation of hemoglobin, which carries oxygen to both the mother and the fetus. While iron is necessary, excessive iron intake can lead to complications, but it is not directly linked to causing fetal deformities. The key is to ensure that you are taking the appropriate dosage as recommended by your healthcare provider. Most prenatal vitamins contain iron, and it is usually advised to take them as directed.

It is also important to consult with your healthcare provider regarding your specific nutritional needs during pregnancy. They can provide personalized recommendations based on your health status, dietary habits, and any other supplements you may be taking. If you have any underlying health conditions or are taking other medications, your doctor can help you determine the best approach to supplementation.

In summary, taking 800 mcg of folic acid during early pregnancy is safe and beneficial for fetal development. Iron is also important, but it should be taken in moderation and under the guidance of a healthcare professional. Always consult with your doctor before making any changes to your supplement regimen, especially during pregnancy, to ensure the health and safety of both you and your baby.

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