Online Tirzepatide Prescription: How It Works in 2026

Getting a tirzepatide prescription used to mean sitting in a waiting room, getting weighed on a scale that hadn't been calibrated since 2019, and then waiting two weeks for prior authorization from your insurer. Telehealth platforms have shortened that process to a few days. Two providers now offer compounded tirzepatide through online consultations paired with 503A compounding pharmacies. The process is straightforward, but qualifications, pricing, and state restrictions vary between them. We break down each step below so you know what to expect before you enter your credit card number.

How Online Tirzepatide Prescriptions Work

Every legitimate online tirzepatide provider follows the same general workflow. You fill out a health questionnaire, a licensed provider reviews it, a compounding pharmacy fills the prescription, and the medication ships to your door. The details differ by platform.

Step 1 - Complete a Health Assessment

Both BiltRx and Arc-1 start with an online intake form. You answer questions about your weight, height, medical history, current medications, and weight-loss goals. BiltRx charges for a consultation as part of the monthly subscription. Arc-1 includes the consultation at no additional charge. Neither platform requires you to upload lab work at signup, though a provider may request labs after reviewing your questionnaire. The forms take roughly 10 to 15 minutes to complete. Be accurate. Omitting medications or conditions can lead to a prescription that interacts badly with something you already take.

Step 2 - Provider Review

A licensed prescriber reviews your health assessment. At BiltRx, this happens within 24 to 48 hours according to their site. Arc-1 states that consultations are free and processed before shipping. If the provider needs additional information, they will follow up through the platform's messaging system. Some patients get approved the same day. Others require a brief video or phone call. If you do not qualify, most platforms will tell you why and refund consultation fees where applicable.

Step 3 - Pharmacy Fills and Ships

Once the prescriber approves, the prescription goes to a US-based 503A compounding pharmacy. Compounding pharmacies create medications tailored to individual prescriptions. They are regulated by state boards of pharmacy and must follow current good manufacturing practice guidelines, though they operate under different rules than large-scale pharmaceutical manufacturers. BiltRx uses 503A pharmacies for its compounded tirzepatide. Arc-1 also ships from a compounding pharmacy and includes free shipping on all orders. Delivery typically takes 3 to 7 business days depending on your location.

Step 4 - Ongoing Monitoring

Responsible telehealth providers do not simply write a prescription and disappear. Tirzepatide requires dose escalation over several months. Most patients start at 2.5 mg per week and increase to 5 mg, then 7.5 mg, and potentially higher based on tolerability and results. BiltRx includes ongoing provider access in the monthly subscription. Arc-1 provides follow-up through its platform. If you experience persistent nausea, vomiting, or injection-site reactions, your provider can adjust the dose or pause treatment. Zepbound carries a boxed warning for thyroid C-cell tumors and is contraindicated in patients with a personal or family history of medullary thyroid carcinoma or Multiple Endocrine Neoplasia syndrome type 2 (MEN2). Any provider prescribing tirzepatide should screen for these conditions.

Provider Comparison

The table below compares the two online tirzepatide providers we track. All data comes from provider websites as of October 2026.

BiltRx offers a lower flat monthly rate for compounded tirzepatide at $129. Arc-1 charges more but bundles Glycine and B12 into the formulation and includes free consultation and shipping. Arc-1 also provides a 30-day money-back guarantee, which BiltRx does not advertise. If you want brand-name Mounjaro or Zepbound, BiltRx is the only provider here that offers that option, though at $1,499 per month.

Who Qualifies for an Online Prescription

Not everyone who wants tirzepatide will get a prescription. Providers follow clinical guidelines that mirror the FDA-approved indications for the brand-name versions, even though the compounded formulation itself is not FDA-approved.

BMI and Weight Criteria

The standard threshold is a BMI of 30 or higher (obesity) or a BMI of 27 or higher with at least one weight-related comorbidity such as type 2 diabetes, hypertension, dyslipidemia, or obstructive sleep apnea. These criteria come from the Zepbound prescribing information and are widely adopted across telehealth weight-loss platforms. In the SURMOUNT-1 trial (PMID 35658024), participants had a BMI of 30 or greater, or 27 or greater with a comorbidity. That trial showed a 20.9% body weight reduction at the 15 mg dose over 72 weeks. Providers reference this data when evaluating candidates.

Medical Conditions That May Disqualify

Certain conditions will prevent you from getting a prescription. A personal or family history of medullary thyroid carcinoma disqualifies you because of the boxed warning on Zepbound regarding thyroid C-cell tumors. MEN2 is an absolute contraindication. A history of pancreatitis may also be a disqualifying factor depending on the provider's assessment. Pregnancy or plans to become pregnant within the treatment window will also result in a denial. Severe gastroparesis, active gallbladder disease, and certain kidney conditions may require additional evaluation before a provider will prescribe.

What to Expect After You Order

The timeline from signup to first injection is typically 5 to 10 business days. Here is a representative sequence based on provider-stated timelines.

Your actual timeline may differ. Rural addresses or states with limited compounding pharmacy access may add a day or two. If your provider requests lab work, expect an additional 3 to 5 business days for results before approval.

State Availability