System Labs Review
American peptides sourced from licensed US pharmacies, focused on performance and longevity.
Reader-supported, we may earn a commission through links on this site. Rankings are editorially independent. Disclosure · Methodology
Quick Verdict
American peptides sourced from licensed US pharmacies, focused on performance and longevity.
Who it's for: If your primary goal isn't weight loss but performance, recovery, or longevity, System Labs has a more interesting menu than a pure GLP-1 clinic. Useful as a complement to mainstream weight-loss telehealth, not a replacement. The peptide-first formulary — sermorelin, NAD+, BPC-157, and GLP-1 alongside performance protocols — suits buyers who already understand these compounds and want a clinic that can prescribe the full stack without requiring separate providers.
Bottom line: A peptide-first specialist. Buyers who already understand sermorelin, NAD+, and GLP-1/GIP differences will appreciate the depth; first-time buyers may find the menu intimidating. First-time buyers may find the depth overwhelming; System Labs is better suited to buyers who already understand sermorelin, NAD+, and GLP-1/GIP differences and want a specialist rather than a generalist platform.
- Distinct peptide-first positioning unlike most GLP-1 shops
- Reasonable entry price for a peptide-led program
- Multiple delivery formats (injectable, nasal, oral) per protocol
- Smaller GLP-1 footprint than category leaders
- Less mainstream brand recognition for cautious first-time buyers
Pros & Cons In Detail
System Labs Pricing
Telehealth ads often advertise a low headline price that's the clinic's program fee, not the medication. Here's how the two line items break down at System Labs.
| Program / Membership Fee | Included in product price |
| Medication Cost (From) | From $149 – $399/mo |
Each peptide protocol is priced as a flat per-protocol monthly fee that includes pharmacy fulfilment from licensed US compounders. No separate membership.
Who System Labs Is For
If your primary goal isn't weight loss but performance, recovery, or longevity, System Labs has a more interesting menu than a pure GLP-1 clinic. Useful as a complement to mainstream weight-loss telehealth, not a replacement. The peptide-first formulary — sermorelin, NAD+, BPC-157, and GLP-1 alongside performance protocols — suits buyers who already understand these compounds and want a clinic that can prescribe the full stack without requiring separate providers.
Performance- and longevity-focused adults who want US-sourced peptides outside the GLP-1 mainstream.
Signature Programs
- ›NAD+ injection and nasal spray
- ›Sermorelin (injection and oral)
- ›Compounded GLP-1/GIP
Medication Formulary
The Bottom Line
A peptide-first specialist. Buyers who already understand sermorelin, NAD+, and GLP-1/GIP differences will appreciate the depth; first-time buyers may find the menu intimidating. First-time buyers may find the depth overwhelming; System Labs is better suited to buyers who already understand sermorelin, NAD+, and GLP-1/GIP differences and want a specialist rather than a generalist platform.
With an editor score of 4.4 / 5 across cost, experience, and trust, System Labs is one of the strong mid-tier options in the peptide therapy category we cover.
See how System Labs compares in our full peptide therapy rankings, or read the Best NAD+ Injection Providers Online (2026) guide. Our methodology explains how we score each provider.
Frequently Asked Questions
- Yoshino et al., Cell Metab 2021 (NMN RCT) · Randomized trial: NMN supplementation increased NAD+ levels and improved muscle insulin sensitivity in postmenopausal women.
- FDA Prescribing Information: Sermorelin (Geref) · FDA-approved sermorelin (GHRH 1-29) for diagnosis and treatment of growth hormone deficiency.
- Bhasin et al., J Clin Endocrinol Metab 2018 (Endocrine Society TRT guideline) · Endocrine Society clinical practice guideline recommends testosterone therapy for men with symptomatic hypogonadism confirmed by low serum testosterone on two morning measurements.
- FDA Prescribing Information: testosterone cypionate injection · FDA-approved prescribing information for testosterone cypionate injection, including dosing, REMS requirements, and cardiovascular risk warnings.
RxNotebook is an editorial publication. Citations point to peer-reviewed journals, FDA labeling, and clinical society guidelines. We are not affiliated with the studies cited above. This page is for general information and is not medical advice.