Rybelsus vs. Wegovy: 7 key differences

Rybelsus and Wegovy are both brand-name medications containing the active ingredient semaglutide, and both are available in oral formulations. As GLP-1 receptor agonists, they share similar side effects and risks — but that’s where the similarities end. Here’s a breakdown of the key differences between Rybelsus vs.Wegovy.

Some of the major differences between Rybelsus vs. Wegovy include:

• How you take them

• What they’re taken for

• Their dosage strengths

• How effective they are for weight loss

• Their cost and insurance coverage

*Terms and restrictions may apply for certain doses of the pill. 

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Wegovy is more effective for weight loss than Rybelsus. In clinical trials, nearly 90% of people taking Wegovy lost at least 5% of their body weight, compared with about 30% of people taking Rybelsus in a real-world study. 

It’s worth keeping in mind that Rybelsus is approved for type 2 diabetes, not weight loss (although it can be prescribed off-label for it). As a result, most studies of Rybelsus are conducted in people with type 2 diabetes, who tend to lose less weight on semaglutide than people without diabetes. However, even studies of people without diabetes show that Rybelsus produces less weight loss than Wegovy.

How much weight can you lose on Rybelsus vs. Wegovy?

People lose significantly more weight on Wegovy vs. Rybelsus:

• Rybelsus: In clinical trials, people with type 2 diabetes lost 5–8 pounds in six months. In one small study, people with obesity lost 5.7% of their body weight — or 13 pounds — in one year.

• Wegovy: In clinical trials of the Wegovy pill, people lost 13.6% of their body weight, or 31 pounds, after 64 weeks (about a year and three months). In clinical trials of the Wegovy injection, people lost 14.9% of their body weight, or 34 pounds, after 68 weeks (about a year and four months).

The Wegovy injection may be slightly more effective than the Wegovy pill for weight loss, but both produce significantly more weight loss than Rybelsus.

How long does it take to see results on Rybelsus vs. Wegovy?

People may begin to  see weight loss results as early as one month after starting Wegovy. In clinical studies, people lost about 2% of their body weight after one month on Wegovy. For Rybelsus, it typically takes longer — at least three months — to see a comparable amount of weight loss.

A major difference between Rybelsus and Wegovy is that Rybelsus is only available as an oral tablet, while Wegovy comes in both injectable and oral formulations. Both medications follow titrated dosing schedules, where you start at a low dose and gradually increase it over time. This allows your body to adjust to the medication while keeping side effects manageable.

Rybelsus

Rybelsus is an oral tablet that you take daily in the morning.

How to take it: Swallow the Rybelsus tablet whole in the morning on an empty stomach, with up to 4 ounces of water, at least 30 minutes before eating, drinking, or taking other medications.. 

Doses: Rybelsus comes in three strengths: 3 mg, 7 mg, and 14 mg.

Starting dose: 3 mg

Maintenance dose: 7 mg or 14 mg

Maximum dose: 14 mg

Dosing: After one month on the 3 mg dose, your healthcare provider will increase your dose to 7 mg. If you need more blood sugar control after 30 days on the 7 mg dose, they may increase your dose to 14 mg. Otherwise, you’ll remain at the 7 mg dose.

Wegovy

Wegovy is available as an oral tablet that you take daily in the morning, or as a weekly injection that comes in single-use, prefilled injector pens.

How to take it: Inject Wegovy subcutaneously (under the skin) of your thigh, abdomen, or upper arm on the same day each week. Take the Wegovy pill daily in the morning on an empty stomach with up to 4 ounces of water, at least 30 minutes before eating, drinking, or taking other medications.

Doses: The Wegovy injection comes in five strengths: 0.25 mg, 0.5 mg, 1 mg, 1.7 mg, and 2.4 mg. The Wegovy pill comes in four strengths: 1.5 mg, 4 mg, 9 mg, and 25 mg.

Starting dose: 0.25 mg (injection); 1.5 mg (pill)

Maintenance doses: 1.7 mg or 2.4 mg (injection); 25 mg (pill)

Maximum dose: 2.4 mg (injection); 25 mg (pill)

Dosing: After one month on the starting dose, your healthcare provider will increase your dose of Wegovy to 0.5 mg (injection) or 4 mg (pill). Each month, your dose will increase until you reach a maintenance dose. 

Because they are both GLP-1 receptor agonists with the same active ingredient, Rybelsus and Wegovy have similar side effects and risks. Wegovy has a slightly longer list of side effects, in part due to its higher dosage strengths.

In rare cases, Wegovy and Rybelsus can cause serious side effects, including:

• Acute pancreatitis

• Diabetic retinopathy (vision complications) in people with type 2 diabetes

• Hypoglycemia (low blood sugar) in people with type 2 diabetes, especially when taking insulin or similar medications

• Kidney or gallbladder problems

• Pulmonary aspiration during general anesthesia or deep sedation

• Allergic reactions to the medication

The price of Wegovy vs. Rybelsus depends on your insurance coverage, the pharmacy you use, and whether you’re eligible for any manufacturer savings programs. Neither medication is available as a generic, so they tend to be more expensive. When paying without insurance, however, Wegovy is more affordable than Rybelsus. 

Rybelsus

Without insurance, Rybelsus can cost $997.58 per month or more. 

Insurance coverage: The vast majority (98%) of commercial insurance plans cover Rybelsus.

Medicare Part D coverage: The vast majority (95%) of Medicare Part D plans include coverage for Rybelsus, with the typical cost being around $10 per month.

How to save: The official Rybelsus Savings Offer brings the cost of Rybelsus down to as low as $25 per month. To be eligible, you must have a private or commercial insurance plan that includes coverage for Rybelsus. People with government-funded insurance plans, such as Medicare or Medicaid, cannot use this offer.

Wegovy 

Wegovy’s list price is $1,349.02 per month, which means it can cost that much or more when you fill your prescription at the pharmacy without insurance.

Insurance coverage: As a weight loss medication, Wegovy is less likely to be covered by insurance than Rybelsus, which is prescribed for type 2 diabetes. When Wegovy is covered, it may fall under a higher cost tier and require prior authorization.

Medicare Part D coverage: Wegovy is not covered by Medicare Part D when prescribed only for weight loss. However, it can be covered when prescribed for heart disease.

How to save: If you have commercial insurance that covers Wegovy, you may qualify for the Wegovy Savings offer, which brings the cost of Wegovy down to as little as $25 per month. Alternately, Wegovy is available for $149–$349 per month, depending on dose and form (i.e. pen vs. pill) on Ro.

When taken for weight loss, Wegovy and Rybelsus may be prescribed to people with:

• Obesity, or

• Overweight and a weight-related health condition, such as high cholesterol or type 2 diabetes

Who shouldn’t take Rybelsus or Wegovy?

You shouldn’t take Wegovy or Rybelsus if you:

• Have a personal or family history of thyroid cancer, including medullary thyroid carcinoma (MTC)

• Have a personal or family history of Multiple Endocrine Neoplasia syndrome type 2 (MEN2)

• Are pregnant, planning to become pregnant, or breastfeeding

• Are allergic to any of the ingredients in Rybelsus or Wegovy

Yes, you can switch from Wegovy to Rybelsus or vice versa, as long as you do so under the supervision of a licensed healthcare provider who can guide you through the process. Here’s how it generally works:

• Switching from injectable Wegovy to oral Rybelsus or Wegovy: Between 1–7 days after your last injection, start taking the 14 mg dose of Rybelsus or the 25 mg dose of Wegovy. Take the pills daily moving forward.

• Switching from oral Rybelsus or Wegovy to injectable Wegovy: On the day after your last pill, start taking the 1.7 mg or 2.4 mg dose of the Wegovy injection. Inject Wegovy weekly moving forward. 

The specific dose your healthcare provider switches you to may depend on the dose you were previously taking and your tolerance for side effects.

Choosing between Rybelsus vs. the Wegovy pill or injection depends on your health goals, lifestyle, and personal preferences. Here are a few things to consider.

1. Your weight loss goals. If your main goal is to lose weight, Wegovy is the most effective option.

2. Your comfort with injections. If you’re not comfortable injecting yourself, you may prefer oral Rybelsus or oral Wegovy. 

3. Your scheduling preferences. Some people like the flexibility of a weekly injection, whereas others find it easier to remember their dose when they take it daily.

4. Your medical situation. If you have heart disease or fatty liver disease, it may be easier to get Wegovy covered by your insurance. If you have type 2 diabetes, Rybelsus is likely to be covered.

5. Your budget. If your insurance covers only Rybelsus or Wegovy, that may simplify the decision. If you’re paying out of pocket, the self-pay options make Wegovy the more affordable choice.

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Here’s what to keep in mind when choosing between Rybelsus vs. Wegovy — or Rybelsus vs. Ozempic.

• They’re approved for different indications. Rybelsus is approved for people with type 2 diabetes, whereas Wegovy is approved for people with obesity, overweight, or fatty liver disease.

• They come in different formulations. Wegovy is available as both an oral and injectable medication, whereas Rybelsus is only available as an oral tablet.

• Wegovy is more effective for weight loss. People typically lose at least twice as much weight on Wegovy vs. Rybelsus. 

• They have similar side effects and risks. Gastrointestinal side effects are common with either medication.

• Wegovy can cost less without insurance. When purchased out of pocket, Wegovy may cost significantly less than Rybelsus.