Tirzepatide Injection (Zepbound®) is a brand-name formulation of the GLP-1 receptor agonist tirzepatide. This advanced medication is designed to support metabolic health by regulating blood sugar levels and appetite. As part of the GLP-1 class, Zepbound® works by mimicking natural hormones that help control glucose and promote weight management.
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Zepbound uses the same active ingredient (tirzepatide) as Mounjaro®. It’s a dual-action GLP-1/GIP-receptor agonist that is approved by the FDA for people with obesity, or overweight plus a weight-related condition, along with diet and exercise changes.
Zepbound® and Wegovy® are both FDA-approved for weight loss, while Ozempic® is FDA-approved for the treatment of type 2 diabetes—but may be prescribed off-label for weight management when appropriate.
The key difference between these medications lies in their active ingredients:
Wegovy® and Ozempic® contain semaglutide, which targets the GLP-1 receptor to help regulate appetite and blood sugar.
Zepbound® contains tirzepatide, a dual-action medication that activates both GLP-1 and GIP receptors. This dual mechanism may enhance metabolic regulation, reduce appetite, and help you feel fuller longer—while also minimizing nausea for some patients.
This makes tirzepatide a promising option for those seeking effective weight management support with added metabolic benefits.
Zepbound® vials and pens contain the same FDA-approved medication—tirzepatide—but are offered in different forms and dosing options. When taken at the same dose, both are equally effective and share the same safety profile.
Key Differences:
Dosage Options:
Vials are available in 2.5 mg and 5 mg doses.
Pens include those doses, plus 7.5 mg, 10 mg, 12.5 mg, and 15 mg options for greater flexibility in your treatment plan.
Weight Loss Results:
In clinical studies:
Patients on 5 mg (vial max dose) lost an average of 15% of body weight over a year.
Patients on 15 mg (pen max dose) lost up to 20%.
Administration Method:
Pens are prefilled and easy to use.
Vials require a standard syringe injection. Lifted Health provides step-by-step instructions and a helpful video guide. Our providers and nurses are also available to support you throughout the process.
Availability & Payment:
Vials are available only through LillyDirect and must be paid for out-of-pocket (not covered by insurance).
Pens can be paid for with insurance (if covered) or out-of-pocket, and are filled through your preferred pharmacy.
*Price compared to the list price of Zepbound autoinjector pen, without applying insurance or savings cards. Zepbound vials are a cash-pay offering only. Full weight loss results are seen at about 1 year, when combined with diet and exercise.
Safety info: GLP-1 medications are used to treat obesity or overweight (with weight-related problems), along with diet and exercise. They may have serious side effects, including possible thyroid tumors. Do not use if you or your family have a history of a type of thyroid cancer called MTC or MEN 2.
Important Safety Info
When GLP-1 binds to its receptors, it can lead to several beneficial metabolic effects that support long-term weight management:
Reduced appetite and increased feelings of fullness
Improved insulin sensitivity and blood sugar control
Slower gastric emptying to help regulate meal timing and portions
Support for sustainable, long-term weight loss
GLP-1 signals the brain to prolong feelings of fullness, reducing hunger and helping to lower overall food intake.
Slows the rate at which food leaves the stomach, helping you feel satisfied for longer after meals.
Stimulates the pancreas to release insulin, supporting balanced blood sugar levels and activating key metabolic functions.
When paired with a healthy lifestyle, GLP-1 therapy amplifies metabolic changes—making it a powerful tool for individuals aiming to lose weight or manage obesity-related conditions.
Programs created in collaboration with experts who have decades of experience in weight loss.
Treatment plans tailored to your unique goals, giving you the support you need to feel your best.
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Your treatment starts with a small, once-weekly injection to help your body adjust while gently reducing appetite.
Take your injection on the same day each week. The process is quick, simple, and easy to integrate into your schedule.
Every 4 weeks, your dose will increase according to your titration plan, ensuring your body adjusts comfortably while optimizing results.
With consistent use, you’ll experience steady weight loss. Combined with healthy habits, this supports long-term success and weight maintenance.
Answer a few quick questions about your health, lifestyle, and goals. It’s fast, secure, and reviewed by licensed professionals.
Your provider reviews your intake and, if appropriate, prescribes the treatment best suited to your needs — all online.
Your prescription is cold-shipped directly to your door in discreet packaging. Enjoy ongoing care and support every step of the way.
Zepbound is an injectable prescription medicine that may help adults with obesity, or with excess weight (overweight) who also have weight-related medical problems, lose weight and keep it off. It should be used with a reduced-calorie diet and increased physical activity. Zepbound™ is a GIP + GLP-1 medication that increases fullness, delays gastric emptying, and regulates appetite. The once-weekly dosing schedule helps patients adhere to treatment. Zepbound contains tirzepatide and should not be used with other tirzepatide-containing products or GLP-1 receptor agonist medicines. Safety with other weight loss products, in pancreatitis patients, or in those under 18 is unknown. Prescription required. Results may vary. Learn more.
Previous weight loss attempts can be challenging. Zepbound may help patients lose and maintain weight. Individual results vary. Clinical studies of similar GLP-1 therapies showed meaningful weight reduction in a subset of participants. More details including safety info.
© 2025, Lifted Health. All rights reserved
© 2025, Lifted Health. All rights reserved
