"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." NOTHING REVS UP the appetite quite like hearing the words "psyllium husk powder," we know. But the ...

Psyllium (pronounced sill-E-um) husk is a fiber supplement that’s best known for constipation relief. "But it may also have benefits for metabolism and digestive health," says Vanessa King, RDN, a ...