Broccoli is one of the most famous microgreens, hailed for its unrivaled health benefits specifically due to its high levels of Sulforaphane. There's a lot of research on the ability of Sulforaphane to prevent cancer, aging, getting rid of toxins in the body, and reduce inflammation, just to name a few. But don't take our word for it, check out this Joe Rogan interview with Dr. Rhonda Patrick.
Note: Microgreens are different from sprouts. The main difference between the two is sprouts are grown in water and you eat the whole thing, whereas microgreens are grown in soil and harvested above the roots. Not only are microgreens safer to eat but they're actually more nutritious.