Influencers and athletes are among those claiming substances can help with injury repair, weight loss and angi-ageing ...

People are using drugs like BPC-157, TB-500, and copper peptide to build muscle, rejuvenate skin, and boost longevity. But do they work and are they safe?

Sitting in the passenger seat of a car, a high school teen clutches an insulin needle beneath her pursed lips. She overlays the social media video with a sexually charged caption: “when he says he ...

Injectable peptides are the new anti-ageing trend sweeping the beauty industry. These compounds are promoted on social media as tools for skin repair, collagen production and “cellular rejuvenation”.

About a decade ago, a group of competitive CrossFitters in Charleston, South Carolina, went looking for ways to improve their athletic performance without taking steroids. At the time, members of the ...

Add Yahoo as a preferred source to see more of our stories on Google. These days, in certain circles, asking someone about their peptide “stack” is as casual as asking for their coffee order. A stack ...

Peptides are all over social media. But most of these drugs aren’t approved by the FDA. WSJ’s Sara Ashley O’Brien explains ...

This does not prove harm, but it does mean these are not simple, risk-free recovery supplements. Human studies don’t just have to show that thymosin beta 4, TB-500 or products sold under that name ...

Longevity doctors say DIY peptide injections are rising, and they're seeing cases of allergic reactions, hormone disturbances, and other health risks.

Glow stacks are the latest skin-care trend. But there are serious safety concerns to consider before trying one of these untested, unregulated treatments.

From cold plunges to NAD+ drips, doctors explain whether celebrity-approved longevity treatments actually work ...