Antioxidant, chewing gum base, Flavoring, anti-caking agent (calcium stearate).
Stearic acid is a fatty acid that occurs in virtually all fats. Though it is a saturated fat, it does not appear to affect blood cholesterol levels. However, it might increase the risk of heart disease by raising fibrinogen levels and causing blood clots. The trivial amounts used as an additive are harmless.