does glycerin tincture need to be refrigerated
Herbal Tinctures Alcohol-based tinctures have an unlimited shelf life and do not require refrigeration if stored in a cool, dark location. Tinctures that are vegetable glycerine-based do not need to be refrigerated and can last from 3-5 years. Vinegar-based tinctures are recommended to be refrigerated, and can last up to a year.