The health benefits of broccoli microgreens are unbelievable, considering their tiny size. They can contain up to 40 times the levels of nutrients by weight compared to adult broccoli. What are broccoli microgreens? It is a phase in a plant’s life when it is between 10 and 14 days old. During this stage, sulforaphane (pronounced 'sull-fore-uh-fane'), one of the plant’s natural compounds peaks. Sulforaphane is nature's most potent known Nrf2 activator–which means it activates a biological process that actually creates antioxidant proteins in your body clear clamshell