Historically, 400 IU (10 ug) of vitamin D was recommended for better health because it closely approximated the amount of vitamin D in a teaspoonful of cod liver oil. However, 800 to 1,000 IU is the ...
Vitamin D toxicity can happen if you take too many vitamin D supplements. Even high levels that do not cause toxicity can be harmful. Share on Pinterest Sophia Hsin/Stocksy United Vitamin D toxicity ...
Vitamin D can boost your immunity and strengthen your bones. Vitamin D3 is the more effective form to maintain your body's vitamin D levels. Vitamin D comes from the sun, foods, and supplements.