In this article on WebMD titled "What to know about Microgreens" Medically Reviewed by Microgreens might help fight cancer. Research is ongoing into this subject, but some early evidence suggests that sulforaphane — a compound found at especially high levels in broccoli sprouts — may help fight cancer.
They then go on to say:
Some microgreens can help lower cholesterol. A study found that red cabbage microgreens lower levels of LDL cholesterol, liver cholesterol, and inflammatory cytokines — all factors that can increase your risk for heart disease.
Microgreens can support gut health. Foods that are high in dietary fiber, like microgreens, can ease constipation or other gastro-intestinal distress when eaten as part of a healthy, balanced diet. Research also indicates that dietary fiber serves as a " prebiotic," or material that provides an ideal environment for the "good" bacteria in the human microbiome to flourish.