Professional Formulas Neuro Medulla Complex is a dietary supplement for nervous system support. Recommended usage: 1-4 capsules daily following meals or as directed by your healthcare professional.Professional Formulas Neuro Medulla Complex Facts: 1 capsule contains: Vitamin B1 (as thiamine HCl) 6 mg Choline (as bitartrate) 25 mg Protein concentrate (from organic brown rice) 200 mg Brain tissue (bovine) 100 mg Gamma-aminobutyric acid (GABA) 10 mg Ginkgo (Ginkgo biloba) Leaves Extract (24% flavone glycosides/6% terpene lactones) 10 mg Phosphatidylserine (from soy) 5 mg Other Ingredients: Vegetarian capsule (hypromellose and water), organic brown rice, and vegetable medium chain triglycerides.