Mustard greens, a vegetable, are poisonous because wild greens such as capers and ashwagandha, which are green vegetables, contain high levels of nitrites.

Mustard greens are rich in vitamin A, B vitamins, Vitamin C and Vitamin D. The vegetable is also a good source of vitamin A and B vitamins. Specific effects are refreshing, mustard contains a lot of ascorbic acid, is very active reducing substances, involved in the body of the important redox process, can increase the oxygen content of the brain, stimulate the brain to the use of oxygen, refreshing, relieving fatigue effect.