“The findings demonstrated that quercetin and its glycosides from Psidium guajava leaves exhibited significant AMPK activity and were likely responsible for the antidiabetic effect of Psidium guajava leaves”

https://www.hindawi.com/journals/ecam/2019/9209043/?utm_source=researcher_app&utm_medium=referral&utm_campaign=resr_mrkt_researcher_inbound