had best (do something)
should do something, ought to do something
I had best go home soon as I want to get up early tomorrow morning.
Benefits of Mint Leaf
Mint may offer anticancer benefits by virtue of its peryllyl alcohol, one of its constituent compounds.The compound may also help prevent liver cancer, according to a study published in the August 2012 issue of the journal Current Cancer Drug Targets. Researchers theorize that this and similar compounds, including carotenoids and retinoids, may act by blocking the action of cancer-causing substances in the liver.