* [[Liquorice]] : One of its components, glycyrrhizin, assists in blocking the breakdown of cortisol, giving it the ability to raise the levels of cortisol in the body; hence, making it capable of fighting chronic fatigue syndrome and stress
*Aspartic acid in Lean beef or veal, Poultry, Seafood, Part-skim ricotta, Skim milk, Sprouting seeds, Sugar cane, Molasses,... can play a role in the elimination of waste created from dietary protein. Build up of that waste can cause : Chronic [[headache]], Fatigue, Irritability, Intolerance of high-protein food, Lack of concentration.
*Marine Phytoplankton provide more oxygen to cells, thereby boosting energy levels and alleviating tiredness and fatigue.
== Warnings ==