After watching our own kids carry these packs on local hikes, neighborhood walks, and weekend camping trips, we’ve found that the best outdoor backpacks for kids are the REI Co-op Tarn 12 for ...
The Adequate Intake for children ages 0–12 months is 400 IU (10 mcg). Some people with vitamin D insufficiency or deficiency may need higher doses to maintain healthy blood levels of this vitamin.