1. Omega-3 fatty acids: Omega-3 fatty acids are essential for optimal brain health. These fatty acids help to reduce inflammation, which can protect against neurological disorders such as Alzheimer's disease. Omega-3s are found in fish, nuts, and certain plant oils. 

2. Vitamin B Complex: Vitamin B complex is important for proper brain functioning. It helps to regulate mood, memory, and focus. Vitamin B complex can be found in foods like whole grains, nuts, and legumes. 

3. Ginkgo Biloba: Ginkgo biloba is an herbal supplement that is commonly used to improve cognitive functioning. It is believed to improve blood flow to the brain, which can help to improve memory and concentration. 

4. Acetyl-L-Carnitine: Acetyl-L-carnitine is an amino acid that helps to protect the brain from damage and supports nerve growth. It can be found in foods like eggs and dairy products. 

5. Phosphatidylserine: Phosphatidylserine is a fatty acid that helps to support the functioning of nerve cells. It can be found in foods like eggs, soybeans, and fish. 

6. Curcumin: Curcumin is a compound found in the spice turmeric. It has anti-inflammatory and antioxidant properties that can help to protect the brain from damage. 

7. Magnesium: Magnesium is an essential mineral that is important for brain health. It helps to regulate nerve and muscle function, as well as improve memory and cognitive performance. Magnesium can be found in foods like leafy greens, nuts, and legumes.