Are Omega-3 Supplements Good for My Baby?

Are Omega-3 Supplements Good for My Baby and Me?

Yes! Omega-3 fatty acids play an important role in brain development. These fats also are essential to the function of the , aid in blood clotting, and help your body use vitamins A, D, E, and K.  Pregnant moms and women planning a pregnancy will want to follow a healthy diet and that includes taking a prenatal vitamin, and a prenatal Omega-3 supplement that contains essential fats, with EPA and DHA, found in fish, being the most critical.

When should I start taking omega-3s and for how long?

A pure, high-quality omega-3 fish oil should be included in a woman’s supplement regimen before and during pregnancy, as well as during breastfeeding. Both EPA and DHA are important, but DHA is particularly important throughout pregnancy and during the early stages of an infant’s life.

These omega-3 fats are called essential fats because they are not synthesized by the body and must be obtained through diet or supplementation. Women should allow at least six months prior to conception to build up this important essential fat and also consider that multiple pregnancies, especially those that are close together, can deplete the mother’s store of omega-3 fatty acids, and DHA in particular.

Can’t I just eat fish every day?

The FDA recommends women who are pregnant, breastfeeding, or plan on becoming pregnant eat 8 to 12 ounces (2 to 3 servings) of fish low in mercury per week. Because there is some concern regarding the presence of heavy metals, such as mercury, in certain types of fish, this creates a problem for women who are avoiding fish precisely when they need DHA the most. The American Pregnancy Association recommends Safe Catch tuna because they test every fish for mercury. Supplementation with fish oil is a trusted way to safely obtain EPA and DHA.

What does DHA do for my baby?

DHA is essential to ensure optimal fetal brain, eye, immune and nervous system development. Taking omega-3 fatty acids pre-conception is important, but remember that keeping levels sufficient during the entire pregnancy is also important. DHA decreases throughout pregnancy in the mother as it is selectively transferred to the fetus.

In the third trimester, the largest amount of brain development takes place and DHA is transferred at an even higher rate from mother to baby at this time. This redistribution of DHA is essential to ensure optimal fetal brain, eye, immune and nervous system development but can leave the mother depleted and at risk for problems associated with essential fatty acids deficiency, such as postpartum depression.

Is DHA really that important after delivery?

Yes, after delivery a mother’s level of DHA can remain low as breastfeeding transmits her reserves of DHA to the breast milk for the baby. The need for DHA remains critical for your new baby through two years of age as brain development continues through this time.

According to researchers at the University of Kansas, infants born to mothers with higher blood levels of DHA at delivery had advanced levels of attention spans well into their second year of life. During the first 6 months, these infants were 2 months ahead of babies whose mothers had lower DHA levels. According to lead researcher in this study, John Colombo, Ph.D., attention is considered an important component of intelligence early in life.

What else will DHA do for my baby?

Getting enough DHA during pregnancy can improve behavior, attention, focus, and learning in children. Other benefits that have been found by having adequate DHA during pregnancy is a reduced risk of allergies in infants and a positive influence on immune development.

Lower brain DHA levels are associated with cognitive deficits and increased behavioral indicators of anxiety, aggression, and depression in children. Fish oil is a safe and natural source of DHA, ideal for pregnancy and nursing. International Experts recommend 300-600 mg of DHA per day for pregnant and lactating women.

Be sure to use a high-quality fish oil product that is carefully processed to remove environmental contaminants such as heavy metals, PCBs, and dioxins. Studies have concluded that fish oil may be a healthier source of DHA than fish because environmental toxins can be removed from fish oil.

Dr. Bradley R. West is a licensed Naturopathic Doctor that specializes in integrative, traditional, and functional medicine. Since 2005, Dr. West has maintained a part-time practice where he uses detoxification and deep healing through drainage/homeopathy, nutrition and food-as-medicine, fasting and internal-cleansing, exercise therapeutics, bio-identical hormones, and physical medicine. A 2004 graduate of the National College of Naturopathic Medicine, he has worked as a medical consultant in the nutrition and supplement industry since 2006. Dr. West often lectures and writes on various wellness topics.


  • J Perinat Med 2007;35::S19—24.
  • Obstet Gynecol Surv 2004;59:722—30.
  • Requirements for the essential omega-3 fats, EPA and DHA; ISSFAL
  • 1999: National Institutes of Health. Washington DC.
  • Olsen SF, Sorensen JD, Secher NJ, Hedegaard M, Henriksen TB, Hansen HS, Grant A: Randomised controlled trial of the effect of fish-oil supplementation on pregnancy duration. Lancet 1992;339:1003-1007.
  • Fleith M, Clandinin MT: Dietary PUFA for preterm and term infants: Review of clinical studies. Crit Rev Food Sci Nutr 2005;45:205-229.
  • Freeman MP, Hibbeln JR, Wisner KL, et al. An open trial of omega-3 fatty acids for depression in pregnancy. Acta Neuropsychiatr 2006;18:21-24.
  • Freeman MP, Hibbeln JR, Wisner KL, Brumback BH, Watchman M, Gelenberg AJ: Randomized dose-ranging pilot trial of omega-3 fatty acids for postnatal depression. Acta Psychiatr Scand 2006;113:31-35.
  • Br J Nutr 1995;74:723—731, Eur J Clin Nutr 2004;58:429—443,
  • Am J Clin Nutr 2003;77:226—233.
  • Obstet Gynecol Surv 2004;59:722—30.
  • Exp Biol Med 2001;226:498—506, BJOG 2000;107:382—395.
  • J Affect Disord 2002;69:15—29
  • Child Dev 2004;75:1254—1267.
  • Pediatrics 2003;111:39—44.
  • J Allergy Clin Immunol 2003;112:1178—1184.
  • Clin Exp Allergy 2004;34:1237—1242.
  • Prostaglandins Leukot Essent Fatty Acids 2006;75:329—349.
  • Colombo et al, Child Development, July/August 2004, Vol 75: pp.1254-1267.
  • Measurement of mercury levels in concentrated over-the-counter fish oil preparations: Is fish oil healthier than fish? Arch Pathol Lab Med 2003;127:1603—1605.
  • Measurement of organochlorines in commercial over-the-counter fish oil preparations: Implications for dietary and therapeutic recommendations for omega-3 fatty acids and a review of the literature. Arch Pathol Lab Med 2005;129:74—77.
  • U.S. Food and Drug Administration. (2014). Fish: What pregnant women and parents should know. Retrieved from
  • American College of Obstetricians and Gynocologists

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