GABA 400 mg plus contributes to normal psychological function thanks to vitamins B1, B3, B6, and B12. In addition to 400 mg of GABA, this supplement also contains valerian and a comprehensive complex of B vitamins. GABA 400 mg plus may be helpful during certain periods. With a complete complex of B vitamins in their active forms. B12 contributes to normal psychological function. With standardized valerian extract. How to use: Unless otherwise advised, it is recommended to take 1 capsule 1-2 times a day at least half an hour before meals or half an hour before bedtime. Preferably take with fruit juice. Do not exceed the recommended daily dose.