Vitamin D deficiency is increasing across the population due to our increasingly sedentary, indoor-based lifestyles. Calcitriol also regulates bone growth and regeneration, as well as immune, cardiac, and neuromuscular functions. As such, it’s best to supplement with vitamin D3 as opposed to calcitriol.īiologically active vitamin D performs a multitude of roles in the body, and is particularly crucial for proper absorption of the minerals calcium, iron, magnesium, phosphate and zinc. ![]() The rate of calcitriol conversion is limited by the availability of vitamin D3, which the body readily stores as needed. The body has various enzymes in the liver and kidneys that convert vitamin D3 to hydroxylated derivatives, notably calcitriol - the most biologically active form of vitamin D. Vitamin D3 is structurally similar to cholesterol - the precursor to steroid hormones in the body. Since we produce much of our natural vitamin D transdermally (through the skin) via sunlight exposure, it is imperative that oral supplementation of vitamin D comes in the form of vitamin D3 this is most bioavailable form of vitamin D in capsule form, maximizing its absorption into the body.3 Naturally, vitamin D is a highly important micronutrient, with research suggesting that vitamin D3 (cholecalciferol) is the most crucial form in humans.2 Many people think of vitamin D as the “sun vitamin” since our body naturally produces vitamin D upon exposure to ultraviolet rays from the sun. “Vitamin D” is a term that collectively refers to a group of five fat-soluble vitamins that are classified as secosteroids. Thus, supplementing with Pure Nutrition Vitamin D3 can help you meet your daily vitamin D needs. Much of the Vitamin D we obtain comes from direct exposure to sunlight, thus spending a significant amount of time indoors (and away from sunlight) can slowly deplete the availability of vitamin D in the body. Vitamin D is a micronutrient with rather ubiquitous actions in the body, such as supporting stress levels, bone health, skin health, heart health, and immune regulation.1 Pure Nutrition Vitamin D3 is a highly bioavailable form of Vitamin D3 (cholecalciferol) providing 400 IU per capsule (serving). ![]() DESCRIPTION What is Pure Nutrition Vitamin D3?
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