Vitamin D has become interesting in that over 60% of the population is deficient, not to the point of disease. However, causing sub-clinical problems. The scale zero to 100, with 30 being the minimum desired and 60 nmol/l the target for, normal individual, with athletes the range is 90 nmol/l to 120.
Most people are below 30 nmol/l. The form used in supplements is D3, it is active in the body preventing diseases including Rickets, bone diseases, and muscle weakness. Most everyone should be tested to ensure their serum levels are above 30 nmol/l.
Along with D3 a forgotten Vitamin K2 has been re-discovered, that directs the D3 to deposit its Calcium load in the bones and, not in the veins where it can restrict blood flow. The use of K2 with D3 should be obvious! K2 can be found in hard cheeses, especially Gouda cheese, or supplements, 100 mcg K2 for each 10,000 IU of D3. Do not confuse K1 for K2, as K1 is for preventing blood thinning, it helps to clot the blood. Also you must have enough magnesium and calcium in your diet or supplements to support the D3 !
Anecdotal evidence has suggested that D3 may be much more important than previously realized. It could improve many conditions not yet verified.While we wait it would be good to keep our levels above the target of 60 nmol/l.
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