Scientists from Israel make a compelling case that Vitamin D should be a major part of the conversation when it comes to preventing severe respiratory infections.
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00:00 Low vitamin D levels are common in people with severe COVID 19 outcomes.
01:00 87% of patients admitted with severe disease had blood levels less than 20 nanograms/ml, the cut point for vitamin D insufficiency. 34% of patients with moderate illness had blood levels below 20 nanograms/ml.
01:20 Patients with vitamin D deficiency were 14 times more likely to have severe or critical illness than those with levels above 40 nanograms/ml.
01:55 If you live north of Atlanta Georgia, you should be supplementing with vitamin D in the winter. Work with your healthcare provider and do some testing.
05:17 Vitamin D is protective. People with sufficient blood levels of Vitamin D3 have lower odds of developing and contracting various respiratory viruses and influenza.
05:45 Vitamin D and the vitamin D receptor can reduce two innate inflammatory signaling cytokines, interleukin 6 and TNF-alpha. Excessive amounts of these cytokines can cause destruction of our own tissues.
07:00 The vitamin D receptor (VDR) reduces innate immune system activation and lowers chronic inflammation. NF-kappa B (Nuclear factor-kappa B) is an upstream transcription factor that, when triggered, can stimulate your innate immune system, and increase genes that make interleukin 6 and TNF-alpha.
08:40 If you avoid sun exposure through sunscreen or shade, supplementing vitamin D may be advisable. Cutaneous synthesis of vitamin D is reduced as you age.
10:15 92.3% of patients with critical illness have insufficient levels of vitamin D. 89% of patients with mild disease had sufficient levels (not always optimal) of vitamin D3.
14:20 Signs that you are taking too much vitamin D3: hypercalcemia and elevated blood calcium.
17:30 Test your blood levels of vitamin D. 50 to 60 nanograms/ml seems to offer the best results.