Commissions we earn from partner links on this page do not affect our opinions or evaluations. Our editorial content is based on thorough research and guidance from the Forbes Health Advisory Board.

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 ...

Low blood levels of this vitamin have also been linked to an increased risk for: To determine your vitamin D status, your doctor will measure the concentration of 25 ... a 1,000-2,000 IU ...

The activated vitamin D (25-hydroxy vitamin D3 ... to take every day. Provides 1000 IU of vitamin D3 per tablet, which is the recommended daily dose. The tablets are small and easy to swallow ...

My sleep and digestion were also better than normal.” Plus, it provides vitamin D and B12, which are important for postmenopausal women. Women over 50 years old are more likely to develop ...

It’s a universal truth: If you have a skeleton, you absolutely need vitamin D ... 25 mcg or 1,000 IU Children 7-12 months: 38 mcg or 1,500 IU Children 1-3: 63 mcg or 2,500 IU Children 4-8: 75 mcg or 3 ...

In another study from 2018, pregnant women deficient in vitamin D3 received either 1,000 IU daily or 50,000 IU ... D2 in maintaining serum 25-hydroxyvitamin D status over the winter months.

Nutrient highlights include 200% of the recommended Daily Value (DV) for vitamin D and more than 100% of the DV for ... one serving contains only 12.5 mcg (500 IU), or 63% of the DV, for vitamin ...

We include products we think are useful for our readers. If you buy through links on this page, we may earn a small commission or other tangible benefit. Optum Store, Optum Perks, and Healthline ...

The information provided on this page is intended to serve as a comprehensive resource and should not be a substitute to professional medical advice. If you have concerns it is always best to ...

Over the past few decades, the "normal" blood level of vitamin D (25 ... many laboratories report the normal range of vitamin D to be so wide (20 to 40 ng/ml, or in some cases, 50 to 100 nmol).

A study from the Netherlands found that those living with depression showed 14% lower circulating concentrations of vitamin D (25-hydroxyvitamin ... receive 400 to 1,000 and 600 to 1,000 units ...