Vitamin D Deficiency: How Common It Really Is and What to Do
I Got My Vitamin D Tested After a Friend’s Suggestion. The Result Changed How I Think About Sunlight. My levels were 22 ng/mL. Technically insufficient. I’d been eating pretty well, exercising regularly, and feeling fine — except for the fatigue that seemed to get worse every winter. Turns out, my daily supplement was doing absolutely … Read more