Carotenes
These plants help in boosting the immune system. You can get them in mangoes, brocolli, chard and beet greens.
Omega-3 fatty acids
Omega-3 oils reduce the risk of cardiovascular disease, and also boost nerve system function.
Omega-3 oils are present as nutritional supplements in flax seed oil and chia seeds.
Molasses
Molasses is the thick, brown, syrup liquid gotten as a waste product when sugar is being refined. Often used in livestock feed, but surprisingly, the Mclean Hospital study found it useful in the prevention of depression.