Danish drugmaker Novo Nordisk on Tuesday launched its blockbuster weight-loss drug Wegovy in India, three months after Eli Lilly began marketing its rival product Mounjaro in the world's most populous nation.

Novo Nordisk had been providing Hims & Hers with the FDA-approved Wegovy, an injectable semaglutide used for weight loss since late April in order to transition patients off compounded drugs, or off-label versions of the medication, according to the news release.

Novo Nordisk ends Wegovy deal with Hims over legal issues, sending the stock tumbling. What happens next? Here's a look.