Peptides & Research Chemicals
Thymosin Alpha-1
Street names: Ta1, Zadaxin
Overdose? Act now. Call emergency services — say "unresponsive, not breathing". Give naloxone for opioid-like signs. Hotlines
⚡What it does
- Immune-modulating peptide — approved for hepatitis B/C and immune support
- Chronic-fatigue and 'immune optimization' grey-market use
⚠Key risks
- Genuine Zadaxin is heavily counterfeited in grey channels
- Injection reactions, transient fatigue
- Immune claims beyond indications are speculative
✚Overdose signs
- No acute overdose
- Injection-site reaction
- Fever, malaise
Category comparison — Peptides & Research Chemicals
| Substance | Class | Top risks | Street price |
|---|---|---|---|
| Thymosin Alpha-1 | Rx/approved in ~30 countries | Genuine Zadaxin is heavily counterfeited in grey channels; Injection reactions, transient fatigue | ~$20–$50 per vial grey-market |
| BPC-157 | Unscheduled — 'research chemical', not approved for human use anywhere | ZERO human clinical trials — all human use is anecdotal self-experimentation; Unregulated synthesis: purity, sterility, and actual content unverified | ~$20–$60 per 5 mg vial grey-market |
| TB-500 (Thymosin Beta-4 fragment) | Unscheduled — 'research chemical'; banned in sport | No approved human use or trials — same self-experimentation class as BPC-157; Growth/repair factor activity raises theoretical cancer concerns | ~$25–$70 per vial grey-market |
| Melanotan II | Unscheduled | Unapproved — regulators (FDA/TGA/MHRA) have issued warnings and seizures; 'Melanotan rage' — documented mood/aggression changes | ~$20–$50 per 10 mg vial grey-market |
| GHRPs & GH Secretagogues | Unscheduled — 'research chemicals' | All are 'research chemical' grade unless pharmacy-sourced: purity unknown; Water retention, carpal-tunnel symptoms, insulin resistance with chronic use | ~$15–$40 per vial grey-market |
| IGF-1 & MGF analogues | Unscheduled — 'research chemicals'; IGF-1 is Rx | Hypoglycemia — IGF-1 pulls blood sugar down hard; dangerous in diabetics; Theoretical but serious cancer concerns — IGF-1 feeds tumor growth | ~$30–$80 per vial grey-market |
Street prices are regional estimates. Potency and cuts vary constantly.
RxBrand names on the grey market
These brands are sold as this compound. Same molecule, different label and supply chain — quality varies enormously between them.
Thymosin Alpha-1
?Frequently asked questions
What does Thymosin Alpha-1 look like?
1.6 mg vials (pharma) reconstituted; grey versions identical packaging copied
What are the signs of a Thymosin Alpha-1 overdose?
No acute overdose; Injection-site reaction; Fever, malaise Call emergency services immediately.
How addictive is it?
Genuine Zadaxin is heavily counterfeited in grey channels Dependence can develop with regular use.
🔗Sources & further reading
Facts on this page are compiled from these primary sources. External links open in a new tab.