How about 9 foods and a couple of tips! Fish, walnuts, pumpkin seeds, sesame seeds, cinnamon, dark leafy greens and liver are some big ones. Fiber is very important as well. Brewers yeast is a great supplemental powder that can be sprinkled on salads or in smoothies that has a fabulous amino acid profile and numerous B vitamins. Eating something every two hours that has a little bit of protein and avoiding sugar, bread, pasta, and artificial sweeteners will also have a significant impact.