most of the day indoors, or have been told by a doctor that their vitamin D level is low.
Some groups may be more likely to have low vitamin D levels. Mayo Clinic notes that older adults, breastfed babies, people with Black or brown skin, people with obesity, people who have had gastric bypass surgery, and people with conditions that affect fat absorption may have a higher risk of not getting enough vitamin D.
A blood test is one of the best ways to know if someone is getting enough
