What is the real long-term cost difference between Willow and Medvi?

Medvi's $179 promo looks cheaper than Willow's $249, but after the promo ends Medvi is $299/month, $50 more than Willow. Over 12 months, if the promo lasts three months, Medvi totals $3,228 versus Willow's $2,988. Always confirm the promo duration before making a pricing decision.

Can I get tirzepatide from Medvi if semaglutide stops working?

No, Medvi only offers semaglutide. If your results plateau and your physician recommends tirzepatide, which shows up to 22.5% body weight reduction versus semaglutide's 12-15%, you would need to switch providers entirely. Willow offers both from the outset, so your physician can adjust your prescription without a re-enrollment.

Is Medvi's 24/7 medical support actually useful or just a marketing claim?

For most GLP-1 users, it is genuinely useful. GI side effects from dose escalation do not happen on a business-hours schedule. Reaching a certified clinician at 10pm to assess nausea or adjust dosing can be the difference between staying on program and dropping off. Willow's oversight is medically sufficient but cannot match that real-time accessibility.

Which delivers faster, Willow or Medvi?

Willow guarantees delivery in 3 days or less, a published, formal commitment, not an average. Medvi ships fast and free but specifies no timeline. If you need medication by a particular date, Willow's guarantee gives you formal recourse if delivery slips.

Which provider approves applications faster?

Medvi's same-day approval is typically faster than Willow's 24-48 hour window. If you submit on a weekday morning, Medvi may have your prescription at the pharmacy the same afternoon. However, Willow's 3-day delivery guarantee means the overall time from application to medication in hand is often comparable despite the slower approval.

Are both semaglutide and tirzepatide safe?

Both are FDA-approved in brand-name form with extensive clinical trial data. Most common side effects are GI, nausea, vomiting, diarrhea, constipation, particularly during dose escalation. Rare but serious risks include pancreatitis and a potential thyroid C-cell signal from animal studies (not confirmed in humans). Neither medication should be used by individuals with a history of medullary thyroid carcinoma or MEN2.

Does either provider accept insurance?

No, both Willow and Medvi are cash-pay only. If your insurance covers GLP-1 medications, you would need a traditional physician and retail pharmacy. Compounded versions from both providers are substantially cheaper than brand-name Wegovy or Mounjaro, which is why most users choose this route.

What happens if I want to switch from one provider to the other?

Straightforward, neither provider has long-term contracts. Cancel your current subscription and enroll with the new provider; they will conduct their own intake and review, typically within one to two days. If you are mid-dose-escalation, have your current dosage and side effect history ready to share with your new physician.

Updated: June 12, 2026 · By the ExploreTreatments Editorial Team

Willow vs Medvi | Best GLP-1 Program 2026

Willow vs Medvi: Willow offers both semaglutide and tirzepatide with a 3-day delivery guarantee at $249/month. Medvi offers semaglutide with 24/7 medical access at $179/month promo. See which GLP-1 program fits your needs.

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Willow#1 Ranked

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Medvi

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Quick Verdict

Editorial Take

Best Overall: Willow - dual medication access and guaranteed 3-day delivery

Best for Budget: Medvi - lower promotional pricing at $179/month vs $249

Best for Fast Approval: Medvi - same-day approval with round-the-clock medical support

At a Glance Comparison

Feature	Willow	Medvi
Starting Price	$249/month	$179/month (promotional)
Medication Options	Semaglutide & Tirzepatide	Semaglutide only
Delivery Speed	3 days or less (guaranteed)	Fast, free shipping (no guarantee)
24/7 Support	Standard medical oversight	24/7 certified medical professionals
Regular Price	$249/month	$299/month

Who Should Choose Willow

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Choose Willow if:

✓You want access to both semaglutide and tirzepatide with flexibility to switch
✓You need medication fast, the 3-day delivery guarantee matters to you
✓You want tirzepatide available if semaglutide results plateau
✓You prefer predictable, flat pricing with no promo-code complexity
✓You plan to stay on GLP-1 therapy long-term and want a stable monthly cost

Who Should Choose Medvi

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Choose Medvi if:

✓You want 24/7 access to a certified medical professional
✓You are starting with semaglutide and do not anticipate needing tirzepatide
✓The $179 promotional price fits your budget and you want to lock it in early
✓You want same-day approval
✓Managing side effects is a priority and you want around-the-clock guidance

Willow Deep Dive

Willow's defining advantage over Medvi is its dual-medication platform. Medvi locks you into semaglutide, if you plateau or your physician recommends tirzepatide, you would need to switch providers entirely. Willow offers both from day one, and delivers in 3 days or less. The tradeoffs: no 24/7 medical access and a higher price than Medvi's promotional rate. For patients who want treatment flexibility and reliable fulfillment, Willow is the stronger foundation. For more telehealth options, explore our <a href="/online-primary-care" class="text-blue-600 hover:underline">online primary care providers</a>.

How It Works

Submit a detailed online medical intake covering health history and weight loss goals
Licensed physician reviews your intake, typically within 24 hours
Prescription sent directly to an accredited compounding pharmacy
Medication arrives in 3 days or less, guaranteed
Monthly refills, dose adjustments, and physician monitoring included

Medications Offered

✓Compounded Semaglutide, GLP-1 receptor agonist
✓Compounded Tirzepatide, dual GIP/GLP-1 receptor agonist
✓Physician-guided medication selection with flexibility to switch

Pricing

Willow is $249/month, flat, all-inclusive: physician oversight, medication, and guaranteed 3-day delivery. No promo codes, no introductory periods, no surprise increases.

Pros

✓Both semaglutide and tirzepatide available, Medvi offers neither
✓Guaranteed 3-day delivery, strongest commitment in GLP-1 telehealth
✓Flat-rate pricing with no promotional expiration
✓No membership fees or separate consultation charges
✓Medication type adjustable based on results and physician guidance

Cons

✗Higher monthly cost than Medvi's $179 promotional rate
✗No 24/7 medical professional access
✗Cash-pay only, no insurance

Medvi Deep Dive

Medvi's niche is round-the-clock certified medical access paired with same-day approval. If you need to reach a clinician at 11pm over nausea or a dosing question, Medvi can do that, Willow cannot. The $179/month promotional rate is compelling, but the regular rate of $299 is higher than Willow's flat $249, so the long-term math matters. The key limitation: Medvi is semaglutide-only, with no tirzepatide pathway.

How It Works

Complete a straightforward online health questionnaire
Physician review, same-day turnaround typical
Prescription sent to a licensed compounding pharmacy
Free shipping with fast delivery
24/7 ongoing access to certified medical professionals

Medications Offered

✓Compounded Semaglutide, GLP-1 receptor agonist
✓No tirzepatide option available

Pricing

Medvi promotional pricing is $179/month, lower than Willow upfront. Regular rate is $299/month, which exceeds Willow's flat $249. Confirm the promotional period length before enrolling. Free shipping included at both tiers.

Pros

✓24/7 access to certified medical professionals, best ongoing support in this comparison
✓Same-day approval typical, fastest clinical review here
✓$179/month promotional rate is the lowest entry cost
✓Free shipping included
✓Minimal enrollment friction

Cons

✗Semaglutide only, no tirzepatide if you need a more potent option
✗Regular price of $299/month exceeds Willow's flat $249
✗Promotional pricing will expire, long-term cost is less favorable than it appears
✗No delivery timeline guarantee

Honest Tradeoffs

Pricing

Medvi's $179 promo looks better upfront, but the regular rate of $299 is $50 more per month than Willow's flat $249. Over a 12-month course, the realistic timeline for meaningful results, the total cost depends entirely on how long the promo lasts. Calculate six-to-twelve month totals, not just the first month, before making a price-based decision.

Medication Types

This is the most consequential difference between the two. Willow offers both semaglutide and tirzepatide; Medvi is semaglutide-only. Clinical trials show tirzepatide produces roughly 20-22% body weight reduction versus 12-15% for semaglutide over comparable periods. If you know semaglutide is the right medication, the gap is irrelevant. If there is any chance you will want tirzepatide later, choosing Medvi means switching providers entirely.

Doctor Involvement

Medvi's 24/7 certified medical access is a genuine operational advantage. GLP-1 side effects peak during dose escalation, often late at night. Reaching a real clinician outside business hours to assess nausea or adjust dosing can meaningfully improve adherence. Willow's standard physician oversight meets medical requirements but does not offer that responsiveness.

Delivery Speed

Willow's 3-day delivery is a contractual commitment with recourse if missed. Medvi ships fast and free but publishes no specific timeline guarantee. For most users the practical gap may be small, but when starting a new treatment, certainty over delivery timing matters.

Subscription Model

Both are month-to-month with no long-term contracts. The key difference is billing predictability: Willow's $249 never changes. Medvi requires tracking when the promo ends and preparing for a jump to $299. If financial predictability matters, Willow's model is simpler.

Pricing Breakdown

Aspect	Willow	Medvi
First Month	$249	$179 (promo)
Regular Monthly	$249	$299
Support Level	Standard medical oversight	24/7 certified medical access
Delivery	3 days guaranteed	Fast, free (no published guarantee)

Medication Comparison

Semaglutide

Both Willow and Medvi offer compounded semaglutide from licensed pharmacies, the same GLP-1 receptor agonist found in brand-name Wegovy and Ozempic. Clinical trials show average weight loss of 12-15% of body weight over 68 weeks with lifestyle changes.

Tirzepatide

Only Willow offers tirzepatide. As a dual GIP/GLP-1 receptor agonist, the SURMOUNT-1 trial showed up to 22.5% average body weight reduction, materially more than semaglutide. For patients who do not respond adequately to semaglutide, tirzepatide is the logical escalation. Medvi has no answer for this.

Which Provider Offers What

Willow offers compounded semaglutide and tirzepatide with physician-guided selection. Medvi offers compounded semaglutide only. Learn more about <a href="/weight-loss/guides" class="text-blue-600 hover:underline">weight loss medication options</a> to understand which medication may be right for your goals.

Results Expectations

Semaglutide, available from both providers, shows 12-15% average body weight reduction over 68 weeks (STEP 1 trial, NEJM). Tirzepatide, available through Willow only, achieved up to 22.5% in the SURMOUNT-1 trial. Both medications require consistent weekly injections and lifestyle changes. Most patients notice reduced appetite within 2-4 weeks; measurable weight loss typically appears by week 8. Individual results vary based on starting weight, adherence, and metabolic factors.

Safety Considerations

Side Effects

Both medications share a side effect profile dominated by GI symptoms, nausea, vomiting, diarrhea, constipation, most pronounced during dose escalation. Symptoms are typically temporary. Medvi's 24/7 clinical access is an advantage here: reaching a clinician when side effects peak, often outside business hours, can reduce dropout. Willow's oversight is medically adequate but less responsive.

Doctor Supervision

Both providers require licensed physician evaluation before prescribing, a federal requirement both meet. Medvi's 24/7 model provides continuous clinical touchpoints, particularly valuable during dose escalation. Willow offers standard monthly monitoring, sufficient for straightforward cases but less responsive for patients with questions between check-ins.

Prescription Requirement

Both require eligibility screening: BMI ≥30, or ≥27 with a weight-related comorbidity such as type 2 diabetes or hypertension. Both screen for contraindications including personal or family history of thyroid cancer and pancreatitis. Neither accepts insurance, all costs are out-of-pocket.

How We Evaluated These Providers

We evaluated both providers based on the following criteria:

✓Medication Breadth: Whether the provider offers semaglutide only or both semaglutide and tirzepatide, and the clinical significance for patients who may need to escalate
✓Delivery Reliability: Whether a specific timeline is guaranteed versus estimated, and what recourse exists if delivery is delayed
✓Medical Support Quality: Hours and credentials of clinical support, including 24/7 availability and whether support is staffed by certified professionals
✓Pricing Transparency: Whether the published price is the actual ongoing rate or a promotional price that expires, and what the 6-to-12-month cost comparison looks like
✓Approval Speed: How quickly clinical review occurs after intake submission
✓Compounding Pharmacy Standards: Whether medications are sourced from 503A or 503B accredited pharmacies following FDA oversight guidelines
✓Long-term Program Viability: Whether the provider can support a full treatment course including dose escalation and medication changes

Final Verdict

Editorial Take

Best for Budget Users

Medvi's $179 promo is the lower starting cost, but the math shifts quickly. If the promo lasts three months, total six-month cost with Medvi ($179×3 + $299×3 = $1,434) versus Willow ($249×6 = $1,494) is nearly identical, and flips in Willow's favor over 12 months. Confirm the promo duration before assuming Medvi is the cheaper long-term option.

Best for Fast Results

Willow leads on two fronts: the 3-day delivery guarantee gets medication to you sooner, and tirzepatide access, showing up to 22.5% body weight reduction versus semaglutide's 12-15%, offers greater clinical potential. For patients prioritizing speed and magnitude of results, Willow's dual-medication model is the clear advantage.

Best for Doctor Supervision

Medvi wins decisively. Its 24/7 certified clinical access is the best ongoing support model here. For patients managing GLP-1 side effects for the first time, or those with conditions requiring closer monitoring, Medvi's infrastructure is a real differentiator.

Best Premium Experience

Willow delivers premium on treatment options and fulfillment speed. Medvi delivers premium on clinical access and same-day responsiveness. The right choice depends on whether you want more control over your treatment pathway or more access to medical guidance throughout it.

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