Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

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 ...

Note: The U.S. Food and Drug Administration (FDA) does not approve supplements for safety or effectiveness. Talk to a healthcare professional about whether a supplement is the right fit for your ...