Tips for Increasing Energy and Reducing Brain Fog

21st century makes D3 with a little calcium in it, they're tablets that I swear have raised my vitamin d levels more than any of the liquid center kind.

I’ve been taking prescribed Vitamin D for almost a year and can’t get it to raise. Or any of my vitamin levels. I’m so exhausted the only exercise I can do is brief things in my house.

Diet, Vitamin D, exercise