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PeterMD vs System Labs

Compare pricing, features, and medications to find the best GLP-1 provider for your weight loss journey

PeterMD vs System Labs: Overview

Choosing between PeterMD and System Labs for GLP-1 weight loss medication? Both are popular providers, but they differ in pricing, medication options, and service features.

PeterMD offers both semaglutide and tirzepatide at $149/month with a rating of 7.4/10. System Labs also provides both semaglutide and tirzepatide at $149/month with a 6.5/10 rating.

With only a $0/month price difference, your choice will likely come down to features, support quality, and medication options.

Our recommended brand

After reviewing all 148 providers on this platform, we've identified CoreAge Rx as offering the most transparent pricing model. At just $99/month — the same price every month, every dose — there are no surprise charges or hidden fees. Combined with exceptional service quality, personalized support, and access to both semaglutide and tirzepatide, it represents the best value without compromising on care.

Visit CoreAge Rx →Read full review

At a glance

Price Difference

$0/mo

Rating Difference

0.9

Winner

PeterMD

Best For

Quality

PeterMD

View full PeterMD review →

Rating

7.4/10Better

Monthly Price

$149

Medications

semaglutidetirzepatide

Pros

✓Tiered pricing is published on the product pages: the GLP-1 + B12 program is $149/month at Level 1 ($447 for a 10-12 week supply) and $139/month at Level 2 ($834), with tirzepatide at $149 to start then $249/month billed quarterly (checked July 27, 2026)
✓Free physician consultation and free shipping are included rather than charged separately
✓A price-match guarantee is offered against competitors
✓Compounded semaglutide is paired with B12 in a single injection, which some patients prefer to two separate shots
✓Comprehensive bloodwork is available, which is more than most GLP-1 sellers offer
✓Unlimited provider access is advertised with the plan
✓One of the broader catalogues in the category if you want hormone, sexual health or longevity care from the same clinic

Cons

✗All sales are final once medication is received - PeterMD will not refund or accept returns 'regardless of whether the product remains unused'
✗Damaged or defective items must be reported with a photo within 24 hours of delivery, and the policy states that later requests 'will not be honored'
✗An exit popup pressures an HCG add-on with manufactured scarcity: 'This is the last time you'll see $301... $301 today. $412 if you add it later'
✗The discount maths on the GLP-1 page does not hold up. A '3-Month Plan' shown as 'Regular price: $358.00, Today: $315.00' is labelled '-40%'. That is a 12% reduction, not 40%
✗The same $315 figure appears as PeterMD's own discounted price and, elsewhere on the page, as what 'Others' charge in a '3.8x More Affordable' comparison
✗Tirzepatide is described as 'Clinically proven' although the product sold is a compounded preparation, which has not been through the trials that phrase refers to
✗'The Largest Online Healthcare Clinic in North America' appears in the page title with nothing to support it
✗This offer is not available in Alabama, Arkansas, California, Idaho, Iowa, Kentucky, Louisiana, Massachusetts, Michigan, North Carolina, South Carolina or Texas - twelve states including the two largest

System Labs

View full System Labs review →

Rating

6.5/10

Monthly Price

$149

Medications

NAD+sermorelinglutathioneMIC + B12GHK-Cu

Pros

✓Prices are published openly for every product, with the renewal rate shown alongside the introductory one: NAD+ $89 first month then $149, sermorelin $109 then $219, glutathione $79 then $149, oral sermorelin $79 then $159, MIC + B12 $89/mo and GHK-Cu cream $109/mo (checked July 28, 2026)
✓Three delivery formats for NAD+ - injection, nasal spray and liposomal liquid - so needle-free options exist
✓Products are described as American made and third-party tested
✓The intake is short and a licensed provider reviews it before anything ships, with free 2-day shipping
✓No insurance required and no membership fee stacked on top of the product price

Cons

✗This is not a GLP-1 weight loss service. System Labs sells no semaglutide, no tirzepatide and no GLP-1 of any kind - the words do not appear anywhere on its site. If you are shopping for weight loss medication, this provider cannot supply it
✗We could not find any statement that the compounded peptides are not FDA-approved. That disclosure is standard across this category and its absence is the single biggest gap on the site
✗There is no refund or cancellation policy published at all - only a privacy policy and terms page
✗No independent review signal exists: no Trustpilot profile, no BBB file, and no rating displayed on site
✗Introductory pricing roughly doubles at renewal on most products, and the renewal price is the one you will pay for the rest of the course
✗Sermorelin, GHK-Cu and high-dose NAD+ have limited published human trial evidence for the benefits implied - 'perform 10 years younger' style claims are not supported by the kind of trials that back GLP-1 medications
✗No published phone number, support hours or physical address
✗The 'up to 1600mg' NAD+ potency claim is presented as an advantage without any evidence that higher doses produce better outcomes

Choose System Labs

Feature-by-feature comparison

Feature	PeterMD	System Labs
Monthly Price	$149	$149
Rating	7.4/10	6.5/10
Medications	semaglutide, tirzepatide	NAD+, sermorelin, glutathione, MIC + B12, GHK-Cu
Insurance Accepted	No	No
Support Hours	Not published	Medical team availability advertised; hours not published
Live Chat	Available	Available
Free Shipping	Yes	Yes
Shipping Speed	Not published	Free 2-day shipping
Mobile App	No	No
Dedicated Coach	Not included	Not included
Follow-up Frequency	Unlimited provider access advertised	Ongoing clinician support advertised; frequency not published
Money-back Guarantee	None - all sales are final once medication is received, even if unused	None published
Cancellation Policy	Subscription plans auto-bill; damaged goods must be reported with a photo within 24 hours	Not published

Which should you choose?

Choose PeterMD if you:

→Prefer a higher-rated service (7.4/10 vs 6.5/10)
→Value: tiered pricing is published on the product pages: the glp-1 + b12 program is $149/month at level 1 ($447 for a 10-12 week supply) and $139/month at level 2 ($834), with tirzepatide at $149 to start then $249/month billed quarterly (checked july 27, 2026)

Get started with PeterMD

Choose System Labs if you:

→Want more medication options to choose from
→Value: prices are published openly for every product, with the renewal rate shown alongside the introductory one: nad+ $89 first month then $149, sermorelin $109 then $219, glutathione $79 then $149, oral sermorelin $79 then $159, mic + b12 $89/mo and ghk-cu cream $109/mo (checked july 28, 2026)

Get started with System Labs

Website previews

PeterMD

PeterMD website

System Labs

System Labs website

Our recommendation

PeterMD comes out ahead with a higher rating of 7.4/10. It also provides multiple medication options including both semaglutide and tirzepatide.

Get started with PeterMD

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