Experts explain why protein is crucial for anyone on weight-loss drugs—and how to get enough to protect your muscle and metabolism.

In this Saturday edition of Business Insider Today, we're talking about the peptide injection craze, plus morning routines and traveling to Japan.

People are injecting peptides to build muscle, trim fat, and reduce inflammation. Does it work?

Calf raises are emerging as a surprisingly effective tool for managing blood sugar, particularly for individuals with diabetes. Activating the soleus ...

Okay, so I used to think 2300 calories was just math – eat this much, lose that much, done. But […] The post Your 2300 ...