T1
2 listings across 1 independently tested vendor, ranked by price per milligram after coupon codes anyone can use. Vendors you can only order from by message are hidden.
Daily price tracking started October 7, 2026; a price-history chart appears here once a few days have been collected.
“Docs n/6” counts details recorded in the fullest indexed report for that vendor and peptide. It is not a quality score, and the report may not match the current lot in the listing.
| Vendor | Trust | Listing | Vials | Price | Per mg | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Peptides Book #207 by metascore |
Metascore 72 medium confidenceBought vials 92% of label · 3 testsTitrateLabNo public reportsOnline checkoutFinnrick 81% |
2 listings · from USD 1.63/mg
Docs 0/6No report for T1 is currently indexed for this vendor. The listing does not identify the lot currently being sold. Use the batch number printed on your product to check for an indexed report.
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Visit storepeptidesbook.net | |||||||||||||||
Mixing a 10 mg vial
What each common amount of bacteriostatic water gives you on a U-100 insulin syringe. Pick a vial size above to change it.
| Water | Strength | Per 10 units (0.1 mL) | Per unit |
|---|---|---|---|
| 1 mL | 10 mg/mL | 1,000 mcg | 100 mcg |
| 2 mL | 5 mg/mL | 500 mcg | 50 mcg |
| 3 mL | 3.333 mg/mL | 333.3 mcg | 33.33 mcg |
| 5 mL | 2 mg/mL | 200 mcg | 20 mcg |
Discussions elsewhere
Experiences and questions about T1 on other sites. Treat anecdotes with care.
T1: questions people ask
How much does T1 cost?
The cheapest T1 from an independently tested vendor is USD 1.63 per mg (Peptides Book, T1 10mg*10vials, USD 163.00). Across 2 listings from 1 vendors the median is USD 1.71 per mg.
Where can I buy T1?
1 vendors tested by Finnrick sell T1. The cheapest per mg right now: Peptides Book (USD 1.63). 0 of them publish a lab report (COA) for T1; compare lab scores and reports in the table above before buying.