A healthy diet may be suitable for an uninjured brain but an injured brain often needs extra levels of nutrition. The B vitamins are essential. Plus, Omega 3 would require eating more cold water fish and such than would be in a normal diet. D3 is also critical.

I eat a healthy diet but still notice a big difference when I have not been able to take my regimen.

Things like L-Tryptophan and L-Theanine are not available in therapeutic amounts in foods, no matter how one targets their diet.

For many of us, the vitamins and supplement regimen is a primary attempt to avoid prescription meds.