Quality: Look for products that are rigorously tested for purity, quality, and accuracy, ideally from a third-party organization such as USP or ConsumerLab.While both forms can increase levels of vitamin D effectively, vitamin D3 can increase levels more significantly and for longer ( 5). Form of vitamin D: Vitamin D supplements contain either ergocalciferol (vitamin D2) or cholecalciferol (vitamin D3).

Ingredients: Many products, especially liquids, gummies, and chewables, contain added sugars and artificial flavorings and colors.Other factors to consider when shopping for vitamin D supplements include:

Keep in mind that if you’re severely deficient in vitamin D, a healthcare professional may recommend high dose supplements or injections for a certain period, followed by a daily maintenance dose. A blood test is the only way to find out whether your levels are deficient, insufficient, sufficient, or optimal.Ī healthcare professional can order blood work and help you determine an appropriate dosage, if a supplement is necessary for you. Pure Encapsulations Vitamin D3 (Vegan) Liquid $$īefore you decide on a vitamin D supplement, it’s a good idea to get your levels checked.

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). 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).

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