5 Food Items That Help With Alzheimer's5 Food Items That Help With Alzheimer's1. Fatty Fish like salmon, mackerel and tuna are loaded with Omega-3 fatty acids. It boosts brain health. 2. Nuts help you to improve your memory and cognitive functioning. 3. Strawberries are rich in Vitamin C and antioxidants which help fight Alzheimer's. 4. Olive Oil lowers cholesterol levels, crucial to fighting Alzheimer's. 5. Spices are loaded with polyphenols, which reduces inflammation and aids with Alzheimer's.