Vitamin D syringe (IMAGE) King's College London Caption Hand holding dropper pipette with nice golden liquid D-vitamin against sun and blue sky on sunny day. Credit Helin Loik-Tomson Usage Restrictions N/A License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.