Use for: Vitamin D3 (cholecalciferol) is a fat-soluble vitamin and used for osteoporosis, hypoparathyroidism, rickets and vitamin D deficiency. Vitamin D3 2000 IU could prevent
Coronavirus disease 2019 (COVID19) and other respiratory tract disease with little evidence. Healthy lifestyle suggestions need to be followed with taking vitamin D3 for COVID19.
Concerns: Vitamin D3 is mostly well tolerated when taken in appropriate dose. Vitamin toxicity may occur with inappropriate doses with the symptoms of hypercalcemia, anemia, azotemia, osteoporosis, weight loss, etc. Therefore, it is important to take the appropriate dose of vitamin D3 with healthy lifestyle.