Oak Longevity vs System Labs
Compare pricing, features, and medications to find the best GLP-1 provider for your weight loss journey
Oak Longevity vs System Labs: Overview
Choosing between Oak Longevity and System Labs for GLP-1 weight loss medication? Both are popular providers, but they differ in pricing, medication options, and service features.
Oak Longevity offers both semaglutide and tirzepatide at $119/month with a rating of 7.7/10. System Labs also provides both semaglutide and tirzepatide at $149/month with a 6.5/10 rating.
With only a $30/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.
At a glance
Price Difference
$30/mo
Rating Difference
1.2
Winner
Oak Longevity
Best For
Budget
Oak Longevity
View full Oak Longevity review →Rating
7.7/10Better
Monthly Price
$119Cheaper
Medications
semaglutidetirzepatide
Pros
- ✓Among the lowest advertised prices in the category: compounded semaglutide from $119/month and tirzepatide from $185/month (checked July 27, 2026)
- ✓One price at every dosage, so titrating up does not increase what you pay
- ✓Free shipping and free health coaching are included, with no separate membership fee
- ✓Same-day approval is offered and no video call is required, which suits people who cannot take time out for an appointment
- ✓Publishes a phone number, an email address and the legal entity behind the brand
- ✓The compounded explanation distinguishes 'not FDA-approved as finished products' from the ingredients and conditions used, which is more accurate than the blanket claims some rivals make
- ✓A comparison calculator and a public price comparison table let you check the maths before signing up
- ✓Cancellation can be done from your own account by cancelling the prescription or deleting the account, rather than only by emailing support
Cons
- ✗The homepage advertises 'One price · All dosages · No subscriptions', but the terms contain a 'Refund, Shipping, Cancellation Policy' describing how cancelling will 'stop any future subscription renewals or charges'. Those two statements cannot both be right
- ✗A third price appears in Oak's own comparison table, which lists 'Oak $167/mo' against headline rates of $119 and $185. The table never explains which product $167 refers to
- ✗'Same Active Ingredient' is used as a feature row comparing Oak to brand-name drugs. That is the precise claim the FDA cited in a February 2026 warning letter to another telehealth firm, on the basis that it implies FDA approval the compounded product does not have
- ✗Promotions stack confusingly - a 'SUMMER SALE - Save up to 60% vs. retail pricing' banner sits alongside a separate '$200 off new patient offer' with no terms for either
- ✗Trustpilot carries only 53 reviews, far too few to corroborate the '10,000+ Satisfied Patients' claim
- ✗There is no dedicated refund policy page; refund terms are buried inside the general Terms of Use
- ✗The Terms of Use include a dispute resolution and arbitration agreement
- ✗'Up to 50% cheaper than competitors' is asserted repeatedly in a scrolling banner without naming the competitors or the basis for the figure
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
Feature-by-feature comparison
| Feature | Oak Longevity | System Labs |
|---|---|---|
| Monthly Price | $119 | $149 |
| Rating | 7.7/10 | 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 | No | Available |
| Free Shipping | Yes | Yes |
| Shipping Speed | Same-day approval claimed; delivery time not published | Free 2-day shipping |
| Mobile App | No | No |
| Dedicated Coach | Included | Not included |
| Follow-up Frequency | Free health coaching included | Ongoing clinician support advertised; frequency not published |
| Money-back Guarantee | None published; refund terms appear only inside the Terms of Use | None published |
| Cancellation Policy | Cancel from your account by cancelling the prescription or deleting the account; charges already processed by a provider are not reversed | Not published |
Which should you choose?
Choose Oak Longevity if you:
- →Want to save $30/month with a more affordable option
- →Prefer a higher-rated service (7.7/10 vs 6.5/10)
- →Want personalized coaching support included
- →Value: among the lowest advertised prices in the category: compounded semaglutide from $119/month and tirzepatide from $185/month (checked july 27, 2026)
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)
Website previews
Oak Longevity
System Labs
Our recommendation
Oak Longevity comes out ahead with a higher rating of 7.7/10. It also provides multiple medication options including both semaglutide and tirzepatide.
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