Your guide to oral GLP-1s

Key takeaways

• Oral glucagon-like peptide-1 (GLP-1) receptor agonists are daily pills that work like injectable GLP-1 medications to manage blood sugar or support weight loss.
• Currently available oral GLP-1s include Foundayo (orforglipron), Wegovy, Rybelsus, and Ozempic (semaglutide). Foundayo can be taken with or without food, while semaglutide-based options must be taken on an empty stomach and must be waited 30 minutes before eating.
• Oral GLP-1s may be as effective as injectable ones, and they may provide more convenience for you, leading to better medication adherence.

Overview

Glucagon-like peptide-1 receptor agonists (GLP-1s) are becoming increasingly popular, but many of them still require you to give yourself a weekly injection, which can be uncomfortable or nerve-wracking.

Oral GLP-1 receptor agonists are an emerging pill alternative to injectable medications for type 2 diabetes and obesity. There are currently 4 oral GLP-1s on the market: Foundayo, Wegovy, Rybelsus, and Ozempic.

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Oral GLP-1s at a glance

The following table looks at all the currently available oral GLP-1s.

What are oral GLP-1s?

Oral GLP-1s work in the same way as injectable GLP-1s to manage blood sugar or aid in weight loss: they can stimulate insulin production, slow stomach emptying, and reduce appetite. The key difference is that they come as a pill that you take every day, rather than a weekly injection.

For many people, the choice between an oral and an injectable GLP-1 is linked to personal preference. Many people may be afraid of needles or would find an oral drug more convenient. Research suggests that taking a patient’s preferences into account can lead to better outcomes and make it easier for them to stick with a treatment.

Oral GLP-1s also tend to be easier to use because you don’t need to use a needle, and they may make GLP-1 treatment more accessible for people who need it.

But you may be wondering if oral GLP-1s are as effective as the older injectable forms.

Oral semaglutide

Semaglutide is available in 3 branded oral forms: Wegovy, Rybelsus, and Ozempic. Oral Wegovy is used for weight management, whereas Rybelsus and Ozempic are indicated for type 2 diabetes. Like injectable GLP-1s, these are generally prescribed for use alongside a reduced-calorie diet and increased exercise.

These oral GLP-1s should be taken on an empty stomach, and you should then wait 30 minutes before eating or drinking. This is because the drugs are very sensitive to your digestive acids, so taking them on an empty stomach can ensure they’re absorbed as much as possible.

Some research finds that oral semaglutide can provide similar outcomes to those of injectable options in both weight loss and A1C management for diabetes. Oral Wegovy, for example, has been shown to lead to an average of 14% weight loss.

Oral orforglipron

Oral orforglipron is available under the brand name Foundayo, and it’s indicated for weight management. There isn’t an injectable form of Foundayo.

Foundayo works slightly differently from other GLP-1s. Ozempic, Wegovy, and Rybelsus are drugs called peptides that are very sensitive to your stomach acid, which is why you must take them on an empty stomach.

Foundayo, on the other hand, is a small-molecule drug that isn’t digested in the same way as other medications. This means it can be taken at whatever time is convenient for you, with or without food.

According to the drug’s studies, Foundayo can lead to around 11% to 15% weight loss.

Medical perspective

Which types of patients may be better suited to an oral GLP-1 versus an injectable formulation, and what considerations typically guide that choice?

“Patients with a needle phobia, a preference for pill-based routines, or good adherence to oral administration guidelines may be better suited to oral GLP-1 formulations. This can enhance treatment acceptance and potentially offer strong blood sugar or weight management.

In contrast, injectable GLP-1s are often preferred for people seeking higher weight loss, weekly dosing convenience, or those who have absorption issues.

The choice is guided by factors like patient preferences, adherence potential, side effect tolerability, comorbidities, administration logistics, and cost-access considerations, emphasizing shared decision making for optimal outcomes.”

— Andrew Cox, PharmD, MBA

Note: Quotes represent the opinions of our medical experts. All content is strictly informational and should not be considered medical advice.

Are oral GLP-1s covered by insurance?

Coverage of oral GLP-1s varies by plan, medication, and whether the medication is being used for diabetes or weight management. Some plans may require prior authorization, where your doctor must provide proof that the treatment is medically necessary for you before your insurance will cover the costs.

Check with your insurance provider and ask your healthcare professional about patient assistance programs if cost is a concern.

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Summary

Oral GLP-1 receptor agonists are an emerging pill alternative to injectable medications for type 2 diabetes and obesity, which may lead to better outcomes and adherence.

Options such as orforglipron (Foundayo) and oral semaglutide (Ozempic, Wegovy, and Rybelsus) have shown meaningful weight loss and improved blood sugar management in clinical trials, though gastrointestinal side effects are common, especially early in treatment.

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