Nordic Naturals Zero Sugar Vitamin D3 Gummies Just keep in mind that the serving size is eight capsules, though the company’s website says you can open the capsules and mix the powder into a smoothie or another cool beverage.ĭesigns for Health Liposomal D Supreme Liquid $$$ Nonetheless, most prenatal supplements contain only 400–1,000 IU of this vitamin per dose.įullWell Prenatal is a prenatal vitamin created by registered dietitians that delivers 4,000 IU of vitamin D per dose, along with other nutrients that are important during pregnant and breastfeeding. Some studies indicate that a daily dose of 6,400 IU promotes optimal vitamin D levels in both breastfeeding women and breastfed infants, though it’s best to consult a healthcare professional for a personalized recommendation ( 17).

Those who are breastfeeding may need even more. In fact, experts suggest that to maintain high enough blood levels of this nutrient, which may help protect against pregnancy-related complications, pregnant women should take up to 4,000 IU of D3 per day ( 15, 16). Blood levels should be monitored while someone is taking high doses of vitamin D.Īs always, talk to your doctor before taking vitamin and mineral supplements.It’s recommended that pregnant women supplement with 600 IU of vitamin D3 per day, though some research suggests that higher doses may support better maternal and infant outcomes ( 14). Recommended Dietary Allowance (RDA) for most adults of 600 IU of vitamin D a day.ĭoses higher than the RDA are sometimes used to treat medical problems such as vitamin D deficiency, but these are given only under the care of a doctor for a specified time frame. This level is many times higher than the U.S.

Taking 60,000 international units (IU) a day of vitamin D for several months has been shown to cause toxicity. Your doctor might also prescribe intravenous fluids and medications, such as corticosteroids or bisphosphonates. Treatment includes stopping vitamin D intake and restricting dietary calcium. Vitamin D toxicity might progress to bone pain and kidney problems, such as the formation of calcium stones. The main consequence of vitamin D toxicity is a buildup of calcium in your blood (hypercalcemia), which can cause nausea and vomiting, weakness, and frequent urination.

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