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Was: $34.99
Now: $29.99
UPC: 094922489975
Size: 500iu/drop (1,000 Drops/Bottle)
Manufacturer: Innate Choice
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  • Description
  • Product Reviews
  • Item Info
Reviewed by Happy Customer, 05/05/2014

I really like this Vitamin D supplement. To be truthful this is the first liquid I have tried but it was recommended to me by a Dr. It doesn't taste bad and does not bother my stomach like the tablets do.. I have been using it for a year and I am planning on continuing on using it.

Reviewed by Lauri Cunningham, 05/05/2014

I have always been happy with innate choice products! They ensure quality and effectiveness of all supplements! Fast absorption because it is taken as liquid.

Reviewed by Laura324, 05/05/2014

I have to say I have researched and tried many different vitamin D products. Innate Choice's D sufficiency supplement is the best I've had yet! My doctor said I am vitamin D deficient and says most people are deficient in vitamin D. I don't drink milk and am not out in the sun very much so this product is exactly what I needed. Also, the reason why I like D-Sufficiency is the vitamin D3 is natural with NO synthetics. I have bought on different online stores and just found here on Amazon for the same price. Outstanding!

  • Naturally Occurring (D3) from lanolin 500iu/drop (1000 Drops/Bottle)
  • Delivered in 100% CERTIFIED ORGANIC OLIVE OIL! 
  • Essential for All Ages
  • Easy to use dropper included
  • World’s Premier Vitamin D supplement

The issue of Vitamin D deficiency as a major causal factor in immune system related illnesses ranging from seasonal cold and flu, to heart disease, to cancer, to atopic and autoimmune disorders has received a lot of attention in the last few years. Clinical journals as well as the mainstream media have been reporting evidence that modern industrialized humans are severely deficient in Vitamin D and that this deficiency is a major contributing factor to illness and lack of health and vitality.

What does vitamin D do and why is it so important for wellness and prevention?

Before we discuss the evidence regarding vitamin D sufficiency and health and vitamin D deficiency and illness let’s first look at the basic science regarding the importance of vitamin D for human immune function and health. A basic understanding of why vitamin D is a genetic human requirement for wellness and prevention will allow greater understanding of why vitamin D supplementation is required.

The innate immune system is the component of our immune system that is genetically programmed to respond to antigens (viruses, bacteria, fungi, and any other threatening non-self invaders). The innate immune system uses what are termed effectors that are genetically coded to respond to antigens or invaders. The most studied of these effectors are named antimicrobial peptides or AMPs. AMPs not only attack the invaders they also trigger tissue repair and activate the adaptive or acquired immune system (the branch of the immune system that creates antibodies to specific antigens after exposure).

Recent research has shown that vitamin D up-regulates the genetic expression of AMPs in immune cells. Vitamin D also plays an important role in controlling the inflammatory response initiated by specialized immune cells called macrophages. A deficiency of vitamin D means deficient control of inflammation. In the skin vitamin D also activates the immune system against antigens.

"Thus, vitamin D both enhances the local capacity of the epithelium to rapidly produce endogenous antibiotics and, at the same time, dampens certain arms of adaptive immunity, especially those responsible for the signs and symptoms of acute inflammation." Cannell et al. 2008 Cod Liver Oil, Vitamin A Toxicity, Frequent Respiratory Infections, and the Vitamin D Deficiency Epidemic. Annals of Otology, Rhinology & Laryngology 117 (11): 864-870