Foundations the basics
What peptides are, what's approved, who prescribes them, and how the system actually works.
- What is a peptide?
- Peptides 101
- Are peptides FDA-approved?
- How are peptides prescribed?
- Research peptides vs prescribed
Where the category stands in May 2026 — what's available, who to trust, what costs what. 22-min read, medically reviewed.
Read the guideAn independent overview of the compounded-GLP-1 telehealth market and the providers we cover — market size, what the FDA changed, and an honest read on each.
View the provider overviewOverview & reviewsPrimers for newcomers and deep dives for the curious. The foundation articles are published; more are in the pipeline.
View all Learn articlesWhat compounded and branded semaglutide and tirzepatide actually cost, from each provider's own published pricing.
Primers and deep dives, written for adults who want the honest version — with citations to original sources, not marketing copy.
What peptides are, what's approved, who prescribes them, and how the system actually works.
The legal architecture — 503A and 503B, FDA Category 2, state-by-state rules, finding a legitimate pharmacy.
Side effects, dosing protocols, injection technique, storage, and cycling. The practical mechanics.
| Article | Type | Read time | |
|---|---|---|---|
| 5 | |||
| 503A vs 503B compounding › | Guide | Planned | |
| A | |||
| Primer | 21 min | ||
| C | |||
| Deep dive | 13 min | ||
| D | |||
| Dosing basics › | Guide | Planned | |
| F | |||
| FDA Category 2 explained › | Guide | Planned | |
| H | |||
| Primer | 10 min | ||
| How to find a legitimate provider › | Guide | Planned | |
| I | |||
| Injection technique › | Guide | Planned | |
| Guide | 12 min | ||
| P | |||
| Peptide cycling › | Guide | Planned | |
| Peptide legality › | Guide | Planned | |
| Peptide safety › | Guide | Planned | |
| Peptides 101 › | Primer | Planned | |
| R | |||
| Red flags to avoid when buying › | Guide | Planned | |
| Research peptides vs prescribed › | Primer | Planned | |
| S | |||
| Side effects › | Guide | Planned | |
| Guide | 6 min | ||
| Storage and handling › | Guide | Planned | |
| W | |||
| Primer | 12 min | ||