Provider Review — May 2026
GLP-1 + B12 Compounded Program — Personalized Telehealth with Lab Testing
⚠️ Always confirm current pricing, medication details, and program terms directly with PeterMD before enrolling.
PeterMD stands out in the GLP-1 telehealth market for two specific differentiators that no other program in our current directory offers: a proprietary GLP-1 + B12 compounded formulation, and integrated lab testing through Quest Diagnostics — one of the largest and most established clinical laboratory networks in the United States.
While most GLP-1 telehealth platforms offer straightforward semaglutide or tirzepatide prescriptions, PeterMD has developed a compounded formulation that combines GLP-1 medication with Vitamin B12. This combination is designed to support metabolism and energy production alongside the appetite suppression and weight loss effects of the GLP-1 component. For patients who have experienced the fatigue that can sometimes accompany rapid weight loss or caloric restriction, the B12 addition addresses a genuine clinical consideration.
Their lab testing partnership with Quest Diagnostics is equally significant. Rather than relying solely on a self-reported health questionnaire, PeterMD sends patients to their nearest Quest lab location for comprehensive blood work before prescribing. This baseline testing approach is more thorough than most telehealth competitors and reflects a clinical standard that more closely mirrors what you would experience with a traditional in-person physician.
Vitamin B12 (cobalamin) plays a critical role in energy metabolism, neurological function, and the formation of red blood cells. Its inclusion in PeterMD's GLP-1 formulation addresses a specific clinical consideration that most telehealth platforms overlook.
During GLP-1 treatment, patients typically experience significant reductions in caloric intake. While this is the primary mechanism driving weight loss, it can also reduce the intake of B12-rich foods such as meat, fish, and dairy. B12 deficiency — even subclinical deficiency — manifests as fatigue, reduced energy, brain fog, and weakness. These symptoms can be mistakenly attributed to the GLP-1 medication itself, leading patients to reduce their dose or discontinue treatment unnecessarily.
By incorporating B12 directly into the injection formulation, PeterMD proactively addresses this potential deficiency without requiring patients to manage an additional supplement regimen. This is a clinically thoughtful addition that distinguishes their approach from competitors offering plain GLP-1 formulations.
📋 Important context: PeterMD's GLP-1 + B12 formulation is a compounded medication prepared by licensed pharmacies — not an FDA-approved branded drug. Compounded medications are not reviewed by the FDA for safety, effectiveness, or quality prior to marketing. Verify the specific pharmacy, their accreditation status, and all medication details directly with PeterMD before enrolling. The regulatory landscape around compounded GLP-1 medications has changed significantly in 2025–2026.
PeterMD's partnership with Quest Diagnostics is a meaningful clinical differentiator. Here is how it works in practice:
The clinical value of this approach is significant. Baseline lab work identifies contraindications that a questionnaire alone cannot — including kidney disease presentations, thyroid abnormalities, and metabolic conditions that affect GLP-1 prescribing decisions. It also establishes the kind of whole-health picture that the best in-person obesity medicine physicians use as the foundation for GLP-1 treatment.
GLP-1 (glucagon-like peptide-1) receptor agonists mimic a natural hormone produced by the intestine after eating. Their primary mechanisms of action for weight loss include:
Published clinical trials demonstrate average body weight reductions of approximately 15% over 68 weeks for semaglutide (STEP-1, NEJM 2021) and approximately 20% over 72 weeks for tirzepatide (SURMOUNT-1, NEJM 2022). These results were achieved with physician oversight and lifestyle support. Individual results vary significantly based on starting weight, adherence, diet, activity, and metabolic factors.
PeterMD's intake begins with selecting your program and scheduling your virtual consultation. Their process is designed to be straightforward from the outset — no lengthy pre-screening before you can even book.
You visit your nearest Quest Diagnostics location for a comprehensive blood panel. With over 2,200 locations nationwide this is typically accessible for most patients. Results are sent directly to PeterMD's clinical team.
A licensed clinician reviews your lab results and health history during your scheduled telehealth visit. This is a genuine clinical consultation — your physician discusses your health profile, treatment options, and establishes your personalized protocol.
Once approved, your compounded GLP-1 + B12 medication is prepared by a licensed pharmacy and shipped directly to your door. Verify current delivery timelines with PeterMD at enrollment.
Your ongoing program includes continued clinician access through PeterMD's telehealth platform. Verify exactly what ongoing support, follow-up testing, and dose adjustment protocols are included directly with PeterMD.
Eligibility for GLP-1 treatment through PeterMD is determined by their licensed clinicians based on your lab results and health history. Standard eligibility criteria for GLP-1 programs include:
Because PeterMD includes comprehensive lab testing before prescribing, their eligibility assessment is more thorough than programs that rely solely on self-reported questionnaires. This benefits patients by catching any contraindications before treatment begins — not after.
| Feature | PeterMD | Enhance MD | Direct Meds | Sprout Health |
|---|---|---|---|---|
| Medication formula | GLP-1 + B12 | GLP-1 & GIP-GLP-1 | GLP-1 | GLP-1 |
| Lab testing | ✓ Quest Diagnostics | ✓ Included | Verify at site | Verify at site |
| Physician oversight | ✓ Licensed clinicians | Every prescription | Licensed MDs | Every prescription |
| B12 included | ✓ In formulation | Not specified | Not specified | Not specified |
| Medication options | Semaglutide & Tirzepatide | GLP-1 & GIP-GLP-1 | GLP-1 | GLP-1 |
| Best for | Energy + weight loss | Medical supervision | Fast approval | Nationwide access |
PeterMD's current pricing should be verified directly on their site before enrolling. Before submitting payment, confirm the following directly with their team:
💡 PeterMD also offers TRT (testosterone replacement therapy) programs alongside their weight loss offerings. If you are interested in hormonal health beyond weight loss, PeterMD's broader clinical scope may be relevant to your overall health goals. Verify their full program menu directly.
PeterMD earns a strong recommendation for patients who want more than a standard GLP-1 prescription. Their GLP-1 + B12 compounded formulation addresses a genuine clinical consideration that most competitors overlook — energy support during the weight loss process. Their Quest Diagnostics lab testing partnership brings a level of clinical rigor to the telehealth experience that more closely mirrors traditional in-person care. The availability of both semaglutide and tirzepatide formulations gives their clinicians meaningful flexibility in treatment selection. The primary consideration is that their medication is compounded — not FDA-approved branded — which patients should evaluate in the context of the current regulatory environment. Verify PeterMD's pharmacy accreditation and current compounding legal basis directly before enrolling. For patients who want the energy support of B12 alongside GLP-1 treatment and appreciate the thoroughness of Quest lab testing, PeterMD offers a genuinely differentiated program.
Check current pricing, confirm program details, and schedule your virtual consultation directly on the PeterMD platform.
Visit PeterMD →⚠️ Affiliate Disclosure: Paragon Health Access is operated by Paragon Frontier Capital LLC and earns a commission if you enroll through this link. This does not affect the price you pay or our editorial assessment. All medical decisions are made by licensed PeterMD clinicians, not by Paragon Health Access. This is not medical advice. Last reviewed May 2026.