Yes. Probably : However, you do not indicate what GABA supplement you are taking. Each medication or supplement has its own pathway of being broken down and eliminated from the body. When two medications are taken simultaneously they can interact together to lower the blood level of the other or increase the blood level. Supplements currently do not have to be rigorously tested so it ishard to find good info.

Check: You can use a drug interaction checker whenever you have questions about drug-drug interactions or drug - food interactions. Here is one option (Drugs.Com): https://www.drugs.com/drug_interactions.php Your pharmacist is also an excellent source of information.