Research-grade peptides
Source2Door — delivered in days, not weeks.
Place your order and it ships that same day. Most customers have their peptides within two days — sometimes the next. Every batch is handled under strict US-based peptide protocols, start to finish.
Source2Door
Same-day shipping
US-based handling
HPLC verified
Live metrics
Mean HPLC purity99.0%
In-stock SKUs57
Across most-recent batches
Lab activity
Latest batch releases
- TirzepatideLot SEED-1Manufactured—HPLC purity99.00%Mass spec—
- ThymulinLot SEED-1Manufactured—HPLC purity99.00%Mass spec—
- Thymosin Alpha-1Lot SEED-1Manufactured—HPLC purity99.00%Mass spec—
- Tesamorelin 10mg + Ipamorelin 5mgLot SEED-1Manufactured—HPLC purity99.00%Mass spec—
- TesamorelinLot SEED-1Manufactured—HPLC purity99.00%Mass spec—
Newest
Recently added
Tirzepatide
Weight Management
Tirzepatide
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$110.00
In stockThymulin
Immune & Thymic
Thymulin
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$55.00
In stockThymosin Alpha-1
Immune & Thymic
Thymosin Alpha-1
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$75.00
In stockTesamorelin 10mg + Ipamorelin 5mg
Recovery & Growth
Tesamorelin 10mg + Ipamorelin 5mg
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$110.00
In stockTesamorelin
Recovery & Growth
Tesamorelin
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$85.00
In stockTB-500
Repair & Recovery
TB-500
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$80.00
In stockB12
Lipotropics & Injectable Nutrients
B12
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$100.00
In stockSS-31 (Elamipretide)
Longevity & Vitality
SS-31 (Elamipretide)
Dose—
HPLC purity99.0%
FormLyophilized
PackSingle
From$50.00
In stockStay ahead of new research
Get notified when new compounds drop, batches are released, or COAs are published.
Documentation first
Building a study? We'll send the COA.
Every batch ships with full HPLC, mass-spec, and identity documentation. Browse the public COA library or get in touch with research questions.