Protein powder is generally safe if used in recommended amounts by healthy adults. People with or at risk of kidney disease should talk to a healthcare provider before taking protein supplements.

As a registered dietitian with active clients, protein powder is one of the few supplements I recommend regularly. Not because everyone needs it—most people can consume what they need daily through ...

Metamucil is a fiber supplement commonly taken for gut health. It can also help manage cholesterol and blood sugar. The effects of Metamucil capsules and powder are similar because they have the same ...