Ozempic vs. the Alternatives: Victoza, Rybelsus, Metformin, and Berberine, Compared

Is there something flat-out better than Ozempic?

Yes, for weight loss. Tirzepatide, the drug in Mounjaro and Zepbound, beat semaglutide, Ozempic's drug, in a trial called SURMOUNT-5. It was the first trial to test the two head to head. It used their weight-loss doses, in adults with obesity and no diabetes. Everyone knew which drug they got. At 72 weeks, people lost about 20% of their weight on tirzepatide and about 14% on semaglutide.

Our Mounjaro vs. Ozempic page covers that verdict in depth, with prices and the type 2 diabetes label both drugs carry.

The other options differ in other ways. Victoza is an older GLP-1, the same drug family as Ozempic. Rybelsus was the first semaglutide pill. Metformin and berberine are not GLP-1s at all. They mostly target blood sugar.

Victoza vs. Ozempic: is the older GLP-1 still worth it?

Victoza was the GLP-1 most doctors used before Ozempic. Its drug is liraglutide, an older molecule. You inject it daily, because the body clears it much faster than semaglutide.

The SUSTAIN 10 trial tested the two head to head in 577 adults with type 2 diabetes. They took weekly semaglutide 1 mg or daily liraglutide 1.2 mg for 30 weeks. Everyone knew which drug they got. A1C, a 3-month blood sugar average, fell 1.7 points on semaglutide and 1.0 point on liraglutide. Weight fell about 13 pounds on semaglutide and about 4 pounds on liraglutide.

Price now favors liraglutide. With a coupon, generic Victoza starts at about $100 a month at 1.2 mg. The 1.8 mg dose needs a third pen, so it costs about half again as much. Without insurance, the Ozempic pill starts at about $150 a month. The pen costs about $350 a month after two cheaper starter fills.

So Victoza makes sense if your plan covers it but not Ozempic, if you are stable on it, or if cash price matters more than results. For prices and how a switch works, see Victoza vs. Ozempic. Liraglutide vs. semaglutide covers the weight-loss doses. Generic Ozempic explains why no true generic exists yet.

Rybelsus vs. Ozempic: is the pill or the shot better?

They share one molecule, semaglutide, made by Novo Nordisk. Rybelsus was the first semaglutide pill. The Ozempic pill is a newer tablet. It reached US pharmacies on May 4, 2026, and it is replacing Rybelsus. It comes in 1.5, 4 and 9 mg. Those doses do not swap mg for mg with the old 3, 7 and 14 mg Rybelsus tablets. The label gives a chart for switching.

The pill and the shot differ in how you take them. The pill is daily, first thing in the morning, on an empty stomach, with a strict wait before eating. The shot is weekly, with no timing rules. See Ozempic vs. Rybelsus for the full comparison.

Without insurance, NovoCare, Novo Nordisk's own pharmacy service, sells both forms:

• Ozempic pill: about $150 a month at 1.5 mg · About $200 at 4 mg · About $300 at 9 mg
• Ozempic pen: about $350 a month up to 1 mg · About $500 at 2 mg
• New pen patients: about $200 for each of the first two fills, through December 31, 2026

NovoCare says it will update these prices after December 31, 2026.

Commercial insurance means a plan from a job or one you buy yourself. With it and a type 2 diabetes prescription, the NovoCare savings card can bring the pen or pill down to $25 a month. The card takes off at most $100 a month, so a high copay leaves more to pay. It does not work with Medicare, Medicaid, TRICARE or other government plans.

On Medicare, Part D drug plans usually cover Ozempic for type 2 diabetes. In 2026, your yearly drug costs stop at $2,100. Medicare's $50 GLP-1 Bridge does not include Ozempic. It covers only Wegovy, Foundayo and the Zepbound KwikPen, and not for people with type 2 diabetes. Our Ozempic savings guide covers every program.

Want a pill for weight loss without diabetes? The Ozempic pill only carries a diabetes label. The Wegovy pill and Foundayo are approved for weight loss, and you can get them through Ro, for example. Henry Meds and Mochi Health sell compounded semaglutide pills, mixed by a pharmacy rather than made by the drug company. They are not FDA-approved. They are not always cheaper either, since the Wegovy pill starts at about $150 a month. For scam pills and patches, see Ozempic pills and patches.

Metformin vs. Ozempic: why pay more when metformin costs a few dollars?

Metformin is not a weaker Ozempic. It is a different drug for a related problem. It tells the liver to release less sugar and helps muscles respond to insulin. Ozempic slows digestion and quiets appetite.

Metformin has been a first-choice diabetes drug for decades. It is sold as a cheap generic. With a coupon, it costs about $5 to $25 a month at most pharmacies.

Where it falls short is weight. A 2024 review of 49 trials looked at adults with obesity but no diabetes. Metformin lowered BMI, a weight-for-height score, by about half a point more than a placebo, a dummy pill. The authors called it a modest weight reduction. Semaglutide's weight-loss trials show far larger losses at full doses.

Where metformin shines is prevention. The Diabetes Prevention Program trial followed adults with prediabetes, meaning blood sugar above normal but not yet diabetes. Metformin cut new cases of type 2 diabetes by 31% compared with a placebo. A diet and exercise program did even better in the same trial. Doctors also often use metformin for insulin resistance with PCOS, an off-label use.

It is often not either-or. Prescribers commonly use metformin and Ozempic together for type 2 diabetes, because they work in different ways. Metformin vs. Ozempic covers the full comparison.

Berberine vs. Ozempic: is "nature's Ozempic" real?

No. Berberine is a plant compound from barberry and related plants, sold over the counter as a supplement. It does not act on the GLP-1 receptor, the target Ozempic works on. It seems to activate AMPK, an energy sensor inside cells that metformin also uses. "Nature's metformin" would be closer.

Its blood-sugar evidence is real but modest. An umbrella review, a review of earlier reviews, found it lowered A1C a little. A 2024 analysis of 50 trials in people with type 2 diabetes found small drops in fasting and after-meal sugar.

Its weight-loss evidence is weak. Trials show small, inconsistent losses, far below what Ozempic or Wegovy produce. If weight is your goal, berberine does not stand in for a GLP-1.

A basic brand such as Nutricost costs about $20 a month at the labeled dose. A premium brand such as Thorne costs about $40. The FDA does not check supplements before they are sold, so quality varies by maker.

Side effects are mostly stomach upset: diarrhea, cramps or constipation. The bigger caution is stacking it with diabetes drugs. These include metformin, insulin, a GLP-1 or a sulfonylurea, an older type of diabetes pill. Taken together, they could push blood sugar too low. Berberine vs. Ozempic covers it in more depth.

So which one is right for you?

• Tight budget, with prediabetes, insulin resistance or PCOS: ask about metformin, at about $5 to $25 a month.
• You have type 2 diabetes: ask whether metformin belongs alongside Ozempic. The pair is common.
• Private insurance and type 2 diabetes: the NovoCare savings card can bring Ozempic down to $25 a month.
• On Medicare with type 2 diabetes: Part D plans usually cover Ozempic at your plan's copay. Your 2026 drug costs stop at $2,100.
• You want the biggest average result: tirzepatide. See Mounjaro vs. Ozempic.
• No needles, weight loss without diabetes: the Ozempic pill is labeled for diabetes. The Wegovy pill or Foundayo, for example through Ro, is approved for weight loss.
• Stable on Victoza: no urgent reason to switch. A plateau or a wish for weekly shots is a good moment to ask about semaglutide.
• Curious about a supplement first: berberine's blood-sugar evidence is modest, and it is not a weight-loss substitute for a GLP-1.

The trials above did not study women in perimenopause as a separate group. Falling estrogen tends to worsen insulin resistance around the transition. It also shifts fat toward the belly. That is part of why these drugs come up so often after 40. GLP-1 medications and menopause covers how they fit with hormone therapy.