Thu., Nov. 1, 2018 Some health care providers are prescribing a mega-dose, 50,000 IU vitamin D taken once a week for six to eight weeks. (Shutterstock) ...

"Many Americans are deficient in vitamin D due to limited sun exposure from indoor lifestyles, sunscreen use and our northern ...

Each gel cap contains 5,000 IU of vitamin D3 in the form of organic algal, VegD3, which, according to the manufacturers, is the purest form of plant-origin vitamin D3 in the world.

When I took 5,000 IU daily, my blood calcium levels increased and my doctor said to cut back to 2,000 IU daily. Now I read that we should be taking 5,000 IU daily because of COVID-19.

For people with a severe vitamin D deficiency confirmed in blood tests, some health care providers are prescribing a mega-dose: 50,000 IU vitamin D taken once a week for six to eight weeks.