No known drug interactions have been documented; however, a theoretical concern exists for interaction with CNS depressants, and GABA may decrease blood pressure in people with hypotension, including those taking hypotensive agents. Contains no artificial colours, preservatives, or sweeteners; no dairy, starch, wheat, gluten, soy, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs. Suitable for vegetarians/vegans. Sealed for your protection. Do not use if seal is broken. For freshness, store in a cool, dry place.