The Eli Lilly and Novo Nordisk logos.
Mike Blake | Tom Little | Reuters
It is a story of two drugmakers within the red-hot weight problems drug market.
Each Novo Nordisk and Eli Lilly are grappling with decrease costs within the U.S., however their 2026 outlooks are diverging sharply: Whereas Novo is bracing for a gross sales decline, Lilly sees income leaping once more due to its blockbuster medicines.
The break up in steerage — regardless of related headwinds — underscores the power of Lilly’s place within the weight problems and diabetes drug market, underpinned by its simpler injections and early foray into direct-to-consumer gross sales, amongst different elements. Whereas Novo Nordisk successfully made the medication mainstream, Lilly has since taken a transparent edge in market share — and the forecasts present it would possible solely prolong its benefit this yr.
“The distinction in gross sales momentum and market share development was seen all through 2025, however the dichotomy between the 2 corporations’ prospects was accentuated inside this 24-hour interval during which Novo guided beneath consensus and Lilly guided above consensus expectations,” Leerink Companions analyst David Risinger advised CNBC on Wednesday.
“That actually solidified an investor’s thoughts that Lilly goes to be the dominant participant in weight problems going ahead,” he added.
This yr, all eyes shall be on how Lilly’s upcoming weight problems capsule, orforglipron, fares towards Novo’s personal oral Wegovy drug, which has had an explosive U.S. launch this yr.
In an interview on CNBC’s “Squawk Field” on Wednesday, Lilly CEO David Ricks mentioned 20 million to 25 million sufferers are at present taking each corporations’ medicines. However he mentioned the entire addressable market of sufferers within the weight problems house is “gigantic.”

Diverging outlooks
On Wednesday, Lilly forecasted 2026 gross sales of $80 billion to $83 billion, surpassing the $77.62 billion that analysts had been anticipating, in accordance with LSEG.
The midpoint of that outlook interprets to gross sales rising by 25% this yr.
In distinction, Novo warned on Tuesday that it sees gross sales and revenue declining by 5% to 13% this yr, as costs fall within the U.S. and exclusivity expires for its blockbuster weight problems and diabetes medication in China, Brazil and Canada.
Mike Doustdar, left, CEO of Novo Nordisk, and David Ricks, CEO of Eli Lilly, pay attention as President Donald Trump speaks within the Oval Workplace throughout an occasion about weight-loss medication on Nov. 6, 2025.
Andrew Caballero-Reynolds | Afp | Getty Photos
Lilly equally pointed to a “world pricing decline within the low- to mid- teenagers [percentages] this yr.” That comes after the landmark “most favored nation” offers each corporations struck with President Donald Trump in November to slash weight problems and diabetes drug prices, together with their latest efforts to additional cut back direct-to-consumer costs for his or her remedies.
The agreements with Trump are anticipated to take a chunk out of each corporations’ gross sales, however ultimately enhance volumes of prescriptions for his or her medication. Nonetheless, Lilly is bullish about different elements that can assist offset that pricing strain.
That features continued worldwide demand for its weight problems drug Zepbound and diabetes counterpart Mounjaro and the anticipated launch of its GLP-1 capsule for weight problems within the second quarter, pending U.S. approval. Lilly additionally pointed to authorities Medicare protection of weight problems remedies beginning for the primary time by a minimum of July, one of many profitable options of the drug pricing offers with Trump.
Lilly’s Ricks advised CNBC that protection will open up entry to 40 million new Medicare beneficiaries, “and that may very well be fairly expansive to quantity.”
Total, Risinger referred to as Lilly’s steerage “very encouraging” and mentioned the “worth per quantity trade-off is enjoying out effectively” for the corporate.
He mentioned tirzepatide, the energetic ingredient in Zepbound and Mounjaro, is “superior” in its effectiveness and tolerability in comparison with semaglutide, the ingredient in Novo’s weight problems and diabetes medication. That was confirmed in a head-to-head medical trial performed by Lilly in 2024, and prescription tendencies present that the corporate’s medication are most popular amongst prescribers.
“I feel that is what is driving Lilly’s market share achieve” relative to Novo, Risinger mentioned.
One other issue that units Lilly and Novo aside is patent exclusivity. Whereas Novo mentioned expiring patents in some worldwide markets pose a problem, Lilly’s Ricks mentioned tirzepatide must be protected into “the again half of the 2030s” in main markets.
Risinger famous that Lilly continues to be working to drive world uptake for tirzepatide, which received U.S. approval for weight problems in 2023.
All eyes on tablets
A pharmacist shows a field of Wegovy tablets at a pharmacy in Provo, Utah, Jan. 15, 2026.
George Frey | Bloomberg | Getty Photos
Novo Nordisk is first to market with a GLP-1 capsule for weight problems, and it hit 50,000 weekly prescriptions in just below three weeks of its launch. However buyers are watching to see how that shifts as soon as Lilly’s capsule rolls out to sufferers later this yr.
In an interview with CNBC’s “Mad Cash,” Novo CEO Mike Doustdar mentioned he is assured in regards to the firm’s capacity to compete with Lilly.
“Clearly we have now probably the most efficacious weight-reduction capsule that there’s and I am very optimistic and bullish on once they include their capsule and we have now to battle this out,” Doustdar mentioned.
He is referring to medical trial knowledge suggesting that Novo’s Wegovy capsule promotes comparable weight reduction to its injectable counterpart, which is round 15%. In the meantime, Lilly’s capsule seems to be barely much less efficient than that, based mostly on separate research knowledge.
Risinger mentioned the launch of Novo’s capsule has benefited from the truth that the corporate is leveraging the Wegovy model identify, which is recognizable by many sufferers, and instantly launched direct-to-consumer promoting for the product in early January.
However he mentioned Lilly might capitalize on its capsule’s comfort benefit.
Orforglipron is a small-molecule drug that’s absorbed extra simply within the physique and does not require dietary restrictions like Novo Nordisk’s capsule, which is a peptide remedy. Sufferers are purported to drink not more than 4 ounces of water with the Wegovy capsule and should wait half-hour earlier than consuming or consuming anything every day.
Novo contends that these necessities will not hinder uptake, however Risinger mentioned it might assist Lilly’s capsule ultimately generate higher gross sales globally.

