How Much Vitamin D is Too Much?

submitted by: admin on 09/24/2013

 

We know that too little vitamin D is not healthy, but how about too much? Until recently, it has been believed that megadoses of vitamin D might not be a good idea, but that it was relatively harmless. However, a study in the Journal of Clinical Endocrinology & Metabolism looked at 250,000 people from Denmark showing that levels below 20 nmol are associated with a 2.3 times increased risk for dying and that levels above 140 also had an increased mortality of 1.4 times above the ideal level of 50.

Unless there is an advantage of taking megadoses of vitamin D for some special reason, it is wise to keep replacement dosages to what is needed to maintain a level of 50 nmol. Some examples where especially high dose vitamin D3 supplementation might be considered include viral infections, cancer, and autoimmune disorders.

 

 

How Much Vitamin D is Too Much (Video)

Vitamin D Synergy 120 vegetarian capsules

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Research is pointing to more and more people suffering the consequences of vitamin D deficiency including susceptibility to serious illnesses like MS (Multiple Sclerosis). 

Vitamin D Synergy contains 2,000 IU of vitamin D3 as Cholecalciferol and 200 mcg of vitamin K as Phytonadione (included to prevent calcification of the arteries).
 

Why is vitamin D deficiency on the rise?
Many people are avoiding sun exposure due to fear of ozone layer problems, or because of skin cancer or concern of skin wrinkling. Twenty minutes of sun exposure daily to 6% exposed skin is necessary for maintaining our body’s own production of vitamin D. Some drugs bind fats, including fat soluble Vitamin D and contribute to low vitamin D levels. These drugs include Cholestyramine, a bile acid sequestering medication, and laxatives. Intake of Olestra and soluble fiber can also potentially reduce vitamin D absorption from food. Statin drugs can cause cholesterol levels to fall lower than ideal which may contribute to vitamin D deficiency. Patients with fat malabsorption, problems with bile production or production of lipase for digesting fats are also susceptible to low vitamin D levels. For these individuals consider LV-GB (liver-gallbladder support formula) and/or Digestzymes (digestive support formula containing Lipase enzyme). Patients with dark skin pigmentation or a dark tan may require up to four times longer sun exposure to absorb the same amount of UVB as light or untanned skin, because melanin blocks UVB. African descent individuals have a much higher incidence of vitamin D deficiency, especially in northern states. Obese individuals can have 50% lower plasma levels of vit D than normal weight people, for the same supplementation levels or sun exposure. Women with low hormone levels are more susceptible to vitamin D deficiency. Estrogen or progesterone deficiency (amenorrhea, surgical or age-onset menopause) impairs the formation of the active form of vit D. Aging skin has a reduced capacity of vitamin D synthesis. By age 75, vitamin D levels can be 25% lower than levels in younger individuals. 

*These statements have not been evaluated by the Food and Drug Administration. 
This product is not intended to diagnose, treat, cure or prevent any disease.

Ingredients

Product Contains: Vitamin D3 (As Cholecalciferol) 2000 IU; Vitamin K (as Phytonadione) 200 mcg.

Other Ingredients: L-Leucine, microcrystalline cellulose.

This product does not contain: wheat, yeast, soy, gluten, eggs, dairy, corn, artificial colors, flavors, sugars, or preservatives.

Dosage

 

Serving Size: 1 capsule

Recommended Use: As a dietary supplement, take one capsule per day or as directed by your health care practitioner.

Cautions

 

This product contains vitamin K. Consult your health care practitioner before use if you are taking Aspirin, Coumadin, Warfarin, or antibiotics.

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