Novo Nordisk, Eli Lilly are tackling supply issues

The insatiable demand for weight loss drugs is trouncing supply, leaving many patients struggling to find the injectable treatments. 

The dominant weight loss drugmakers, Novo Nordisk and Eli Lilly, have said supply woes likely won’t go away anytime soon, as the popularity of those medicines continues to soar. But both companies are showing encouraging progress in their efforts to increase supply. 

“I think it’s going to take a few years for it to resolve itself,” Cantor Fitzgerald analyst Louise Chen told CNBC of the supply issues. “But I think both companies will slowly start to meet the demand in the market.” 

Patients have flocked to weight loss drugs such as Novo Nordisk’s Wegovy and Eli Lilly’s Zepbound as the treatments help them shed significant pounds over time, despite the drugs’ hefty price tags, mixed insurance coverage and handful of unpleasant side effects.

Goldman Sachs analysts expect 15 million U.S. adults to be on obesity medications by 2030. Some Wall Street analysts project that the weight loss drug market could be worth $100 billion by the end of the decade.

As demand spikes, most of the drugs have slipped into intermittent shortages. But there is limited data available on how significant shortages are or how much supply companies have.

“I hear all the time about patients going to pharmacies that just don’t have it in stock for them, especially since the summer,” said Dr. Jeff Friedman, the director of bariatric surgery at the University of Florida, who also prescribes obesity medications.

But both Novo Nordisk and Eli Lilly gave updates on positive supply developments to investors over the last week. They rounded out 2023 with a handful of new investments in expanding production capacity for their weight loss and diabetes drugs.

Those efforts aim to reassure anxious investors that they can…