Source of Life Animal Parade Vitamin D3 ChewableDescription Scientists are sounding the alarm louder than ever. Children need supplemental vitamin D, in particular the bioavailable active form vitamin D3 Chewables. For optimal growth and long term health. In fact, the Harvard School of Public Health has recommended 1000 IU of supplemental vitamin D for anyone over the age of 2! The recognition that the formative years of childhood are the most critical,for laying down the strongest possible