Assertion: α tocopherol | /r/AtLocation | nutritional supplements
Facets:
value: often
type: TEMPORAL
Source sentences:
text: Synthetic α-tocopherol, which is often found in fortified food and nutritional supplements and usually labeled all-rac-α-tocopherol or dl-α-tocopherol, include all eight possible stereoisomers of α-tocopherol (see Function).