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). Thorne's Vitamin D/K2 Liquid is in medium chain triglyceride oil, preserved with mixed tocopherols.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). One study in postmenopausal women found a combination of minerals along with vitamins D and K maintained healthy artery elasticity, compared to two other groups of women who received either minerals with vitamin D but not vitamin K, or placebo. Thorne's Vitamin D/ K2 Liquid also provides nutritional support for oncology patients. For example, vitamin D is necessary for calcium absorption, and vitamin K is important for directing calcium to the bones and away from the soft tissues, such as blood vessels and kidneys. Combining vitamins D and K can provide greater support of the immune and cardiovascular systems than each offers separately. The vitamin K2 in this formula is the well-studied MK-4. Vitamin K2, a series of molecules known as menaquinones, exerts a more powerful influence on bone than does vitamin K1. It is important to maintain an optimal level of vitamin D in the body through all stages of life, from fetal development to old age. Vitamin D/K2 Liquid is a convenient way to supplement with both vitamins D and K2, which offer greater support for bones and the immune and cardiovascular systems together than either does individually.īoth vitamin D and vitamin K2 support bone and muscle health, along with cardiovascular health and immune function. Supports healthy bones and muscles, as well as the cardiovascular and immune systems.

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