Vit D

• • Ppl in the Northern hemisphere = Low levels of Vit. D --> Affect bone & muscle health
  • UK: recommend taking 10 ug of vitamin D supplement between October & March (insufficient sunlight to produce vitamin D in the skin)
• US: only High-risk groups take

  • Ppl w/ limited skin exposure to sun
  • People w/ darker skin
  • > 65 years old
  • Pregnant/ Breast feeding women
  • Children up to age 5