Vitamin D dose

Vitamin D dose International units or micrograms 1,000 micrograms (mcg) in a milligram (mg) 1,000 milligrams (mg) in a gram (g) 1,000 grams in a kilogram (Kg) 1 kg is 2.2 pounds IU mcg 400 10mcg 800 20mcg 1,000 25mcg 2,000 50mcg 4,000 100mcg https://www.healthline.com/nutrition/vitamin-d-dosage US 42% of people have a vitamin D deficiency 82.1% of black people 69.2% of Hispanic people. Higher blood levels = over 33 ng/ml or 82.4 nmol/l Lower blood levels less than 12 ng/ml or 30 nmol/l 50% lower risk of colorectal cancer Consuming 1,000 IU (25 mcg) daily would help 50% of people reach a vitamin D blood level of 33 ng/ml (82.4 nmol/l) Consuming 2,000 IU (50 mcg) daily would help nearly everyone reach a blood level of 33 ng/ml (82.4 nmol/l) Taking 1,000 IU (25 mcg) of vitamin D daily reduced heart disease risk by 10% Consuming 1,000–4,000 IU (25–100 mcg) of vitamin D daily should be ideal for most people to reach healthy vitamin D blood levels. However, don’t consume more than 4,000 IU of vitamin D without your doctor's permission. It exceeds the safe upper limits of intake and is not linked to more health benefits https://link.springer.com/article/10.1007/s40520-020-01570-8 https://link.springer.com/article/10.1007/s40520-020-01570-8 https://www.bmj.com/content/356/bmj.i6583 https://www.medrxiv.org/content/medrxiv/early/2020/04/10/2020.04.08.20058578.full.pdf?mod=article_inline https://www.medrxiv.org/content/10.1101/2020.04.24.20075838v1 https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3571484 https://www.nature.com/articles/s41430-020-0558-y.pdf (pdf link) https://endocare.hu/wp-content/uploads/2020/03/Vitamin-D-supplementation-could-prevent-and-treat-influenza-coronavirus-and.pdf (pdf link) https://tilda.tcd.ie/publications/reports/pdf/Report_Covid19VitaminD.pdf (p https://www.thelancet.com/journals/lancet/article/PIIS0140-6736( 20)31035-7/fulltext

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