obesity drug news today glp-1 september 29 2025 President Trump announced that Medicare will cover semaglutide (Wegovy) and tirzepatide (Zepbound) for weight management indications for people with obesity. Our senior staff writer Kristen Monaco Lilly hikes revenue forecasts on

HUBERMAN: We have it in mind that it's involved in these pathways, but I should say every time we look at a given peptide, whether or not it's ghrelin or hypocretinorexin or it's GLP-1, What we find is that, again, there are these pleiotropic effects

The GHK-Cu hair growth before and after timeline looks like this: Weeks 1 to 6: Possible mild shedding

This gentle approach preserves the peptides structural integrity

This gives it a dual effect: skin tanning (via MC1R) and libido enhancement (via MC4R)

Glutathione may give skin a more even tone by slowing down melanin production

Key Benefits: Want to stay younger, longer