According to the NHS, a severe deficiency in vitamin D can result in bone deformities such as rickets in children, as well as bone pain in adults, which is caused by a condition known as osteomalacia.

Though sunlight is typically our main source of vitamin D, you can also incorporate foods that contain this vitamin into your ...

In this article: Nature Made Vitamin D3 2000, Ddrops Kids Booster 600 IU ... For younger children, 10 micrograms (400 IU) is ...

Pure Encapsulations Vitamin D3 gets our pick as the best high dose vitamin D option because it’s third-party tested and provides 10,000 IU per serving. If you have a severe vitamin D deficiency ...

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 ...

A 2023 review of studies found that vitamin D3 was more effective when administered in daily doses or weekly doses. Keep in mind that the Reference Daily Intake (RDI) is 10-20 mcg (400–800 IU ...