All peptides · Cognitive & nootropic · Sleep & mood
Selank + Semax
41 listings across 26 independently tested vendors, ranked by price per milligram after coupon codes anyone can use. Vendors you can only order from by message are hidden.
Cheapest right now
$0.500 per mg
Barn
Selank+Semax 20 (20MG × 10 VIALS)
$100.00 for 10 × 20 mg = 200 mg
Metascore 75 medium confidenceFinnrick 78%Bought vials 104% of label · 5 testsTitrateLabLab report (image)Online checkout
Go to barnpeptides.com
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Price per mg across 24 vendors
$0.500 cheapest$3.92 median$12.00 highest
Vendor lab reports
5 of 26 vendors
publish a readable report for Selank + Semax; typical vial measures 98% of label.
2 publish none.
Research
No PubMed review for Selank + Semax yet.
Daily price tracking started October 7, 2026; a price-history chart appears here once a few days have been collected.
| Vendor | Trust | Listing | Vials | Price | Per mg | |
|---|---|---|---|---|---|---|
Barn #102 by metascore |
Metascore 75 medium confidenceFinnrick 78%Bought vials 104% of label · 5 testsTitrateLabLab report (image)Online checkout |
Selank+Semax 20 (20MG × 10 VIALS) | 10 × 20 mg = 200 mg | $100.00 $10.00 per vial |
$0.500 | Buy |
Shanghai Wibson Biotechnology WBS #263 by metascore · China |
Semax + Selank （10mg+10mg） * 10vials (China warehouse) [jinjier] | 10 × 20 mg = 200 mg | $140.00 $14.00 per vial |
$0.700 | Buy | |
Shanghai Wibson Biotechnology WBS #263 by metascore · China |
Semax + Selank 10+10mg * 10vials (China warehouse) [wbspeptide.com] | 10 × 20 mg = 200 mg | $185.00 $18.50 per vial |
$0.925 | Buy | |
Shanghai Wibson Biotechnology WBS #263 by metascore · China |
Semax + Selank （5+5）*10 vials (China warehouse) [jinjier] | 10 × 10 mg = 100 mg | $99.00 $9.90 per vial |
$0.990 | Buy | |
Bulk Peptide Wholesale #29 by metascore |
Metascore 82 medium confidenceFinnrick 68%Bought vials 103% of label · 7 testsTitrateLab · PeptideBaseNo report for thisOnline checkout |
SELANK SEMAX BLEND 10 mg/ 10 mg (10 vials) | 10 × 20 mg = 200 mg | $200.00 $20.00 per vial |
$1.00 | Buy |
Qingdao Sigma Chemical QSC #69 by metascore |
Semax + Selank Blend 20mg | 20-Vial Kit | Dual Neuropeptide | 20 × 20 mg = 400 mg | $430.00 $21.50 per vial |
$1.08 | Buy | |
Nexaph #90 by metascore |
Metascore 76Finnrick 57%PepIndex 19/100Bought vials 109% of label · 285 testsTitrateLab · PeptideBaseNo report for thisOnline checkout |
N-Acetyl Selank/Semax Blend 10mg/10mg (10 vials/kit) | 10 × 20 mg = 200 mg | $238.00 $23.80 per vial |
$1.19 | Buy |
Qingdao Sigma Chemical QSC #69 by metascore |
Semax + Selank Blend 20mg | 10-Vial Kit | Dual Neuropeptide | 10 × 20 mg = 200 mg | $240.00 $24.00 per vial |
$1.20 | Buy | |
Shanghai Wibson Biotechnology WBS #263 by metascore · China |
Selank + Semax 5+5mg*10vials (China warehouse) [wbspeptide.com] | 10 × 10 mg = 100 mg | $130.00 $13.00 per vial |
$1.30 | Buy | |
Gulf Coast Aminos #17 by metascore |
Metascore 85 medium confidenceFinnrick 81%Bought vials 109% of label · 3 testsTitrateLabLab 99.3% pure · 98% of labelAccount needed |
Selank 10mg + Semax 10mg Blend | 1 × 20 mg | $44.95 | $2.25 | Buy |
Royal Peptides Affiliate #8 by metascore · US |
Metascore 86Finnrick 75%Bought vials 107% of label · 34 testsTitrateLabLab report (image)Confirmed with lab: 3 of 3Online checkout |
Semax + Selank Blend 20mg x 10 vials (wholesale) 10% off with code |
10 × 20 mg = 200 mg | 10% off with code $45.00 per vial |
$2.25 list $2.50 |
Buy |
Peptidology #5 by metascore · US, AZ 85254 |
Metascore 87Finnrick 71%Bought vials 97% of label · 18 testsTitrateLab · PeptideBase · Peptide Critic · PeptideCheckedNo report for thisConfirmed with lab: 34 of 34Online checkout |
Semax + Selank (Blend) 54 mg (27mg/27mg) | 1 × 54 mg | $129.99 | $2.41 | Buy |
Glacier Aminos Affiliate #73 by metascore |
SEMAX/SELANK BLEND 20MG (10-Pack) | 10 × 20 mg = 200 mg | $614.93 $61.49 per vial |
$3.07 | Buy | |
Royal Peptides Affiliate #8 by metascore · US |
Metascore 86Finnrick 75%Bought vials 107% of label · 34 testsTitrateLabLab report (image)Confirmed with lab: 3 of 3Online checkout |
Selank + Semax Blend 20mg Exclusive Royal custom Blend🔥 20mg Kit (200mg) 10% off with code |
10 × 20 mg = 200 mg | 10% off with code $61.65 per vial |
$3.08 list $3.43 |
Buy |
EZ Peptides #12 by metascore |
Metascore 85Finnrick 75%Bought vials 103% of label · 11 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisConfirmed with lab: 21 of 21Account needed |
Semax + Selank Blend 10mg + 10mg Buy 2, get the 3rd free with code (same item) |
1 × 20 mg | $62.99 Buy 2, get the 3rd free with code (same item) |
$3.15 | Buy |
Amino Usa #136 by metascore · US |
Metascore 74 medium confidenceFinnrick 32%Bought vials 89% of label · 3 testsTitrateLabLab 99.5% pureAccount needed |
Selank | Semax Blend 20mg | 1 × 20 mg | $68.00 | $3.40 | Buy |
Atomik Labz Affiliate #85 by metascore · US. Florida, 33411 |
Metascore 77Finnrick 69%Bought vials 112% of label · 44 testsTitrateLab · Peptide CriticNo report for thisOnline checkoutCheck vendor |
Selank/Semax Blend 10mg/10mg Ten Pack | 10 × 20 mg = 200 mg | $720.00 $72.00 per vial |
$3.60 | Buy |
Glacier Aminos Affiliate #73 by metascore |
SEMAX/SELANK BLEND 20MG (5-Pack) | 5 × 20 mg = 100 mg | $360.76 $72.15 per vial |
$3.61 | Buy | |
Peptidology #5 by metascore · US, AZ 85254 |
Metascore 87Finnrick 71%Bought vials 97% of label · 18 testsTitrateLab · PeptideBase · Peptide Critic · PeptideCheckedNo report for thisConfirmed with lab: 34 of 34Online checkout |
Semax + Selank (Blend) 20 mg (10.83mg/10mg | Batch 1717 | 99.0% Purity) | 1 × 20 mg | $79.99 | $4.00 | Buy |
Atomik Labz Affiliate #85 by metascore · US. Florida, 33411 |
Metascore 77Finnrick 69%Bought vials 112% of label · 44 testsTitrateLab · Peptide CriticNo report for thisOnline checkoutCheck vendor |
Selank/Semax Blend 10mg/10mg | 1 × 20 mg | $80.00 | $4.00 | Buy |
Royal Peptides Affiliate #8 by metascore · US |
Metascore 86Finnrick 75%Bought vials 107% of label · 34 testsTitrateLabLab report (image)Confirmed with lab: 3 of 3Online checkout |
Selank + Semax Blend 20mg Exclusive Royal custom Blend🔥 20mg vial 10% off with code |
1 × 20 mg | 10% off with code |
$4.05 list $4.50 |
Buy |
Glacier Aminos Affiliate #73 by metascore |
SEMAX/SELANK BLEND 20MG | 1 × 20 mg | $81.99 | $4.10 | Buy | |
Coffee and Peppers #14 by metascore |
Metascore 85Finnrick 70%Bought vials 102% of label · 30 testsTitrateLabNo report for thisConfirmed with lab: 6 of 6Online checkout |
SEMAX/SELANK 10/10 MG | 1 × 20 mg | $84.99 | $4.25 | Buy |
Amplified Amino Affiliate #27 by metascore · US: TX 78248 |
Metascore 83Finnrick 65%Bought vials 115% of label · 12 testsTitrateLabNo report for thisOnline checkout |
Semax/Selank Blend 10mg/10mg | 1 × 20 mg | $88.00 | $4.40 | Buy |
Peptide Crafters #57 by metascore · US |
Metascore 79Finnrick 60%PepIndex 22/100Bought vials 111% of label · 59 testsTitrateLab · Peptide CriticLab 98.5% pure · 59% of labelConfirmed with lab: 26 of 26Online checkout |
Selank & Semax 10mg (5/5mg) Blend | 1 × 10 mg | $45.00 | $4.50 | Buy |
Go Alpha Labs Peptides #51 by metascore · US |
Metascore 80Finnrick 52%Bought vials 100% of label · 11 testsTitrateLabNo report for thisConfirmed with lab: 37 of 37Online checkout |
BLEND: Selank (5mg) / Semax (5mg) (10 Vials) | 10 × 10 mg = 100 mg | $479.99 $48.00 per vial |
$4.80 | Buy |
Oasis Peptides #232 by metascore |
Metascore 71Finnrick 56%Bought vials 105% of label · 20 testsTitrateLabNo public reportsOnline checkout |
Selank / Semax 10/10mg Blend | 1 × 20 mg | $96.50 | $4.83 | Buy |
Skye Peptides #72 by metascore · US: CA |
Metascore 78Finnrick 57%Bought vials 114% of label · 92 testsTitrateLabLab report (image)Confirmed with lab: 25 of 25Account needed |
Selank | Semax 5/5 mg | 1 × 10 mg | $59.00 | $5.90 | Buy |
Lab Rat Peptide #206 by metascore · US |
Selank+Semax 10mg | 1 × 10 mg | $59.99 | $6.00 | Buy | |
Tydes #41 by metascore · US: NC |
Metascore 80Finnrick 68%Bought vials 117% of label · 44 testsTitrateLab · Peptide CriticLab 99.7% pureConfirmed with lab: 16 of 16Online checkout |
Selank / Semax Blend (5/5mg) | 1 × 10 mg | $59.99 | $6.00 | Buy |
Go Alpha Labs Peptides #51 by metascore · US |
Metascore 80Finnrick 52%Bought vials 100% of label · 11 testsTitrateLabNo report for thisConfirmed with lab: 37 of 37Online checkout |
BLEND: Selank (5mg) / Semax (5mg) | 1 × 10 mg | $59.99 | $6.00 | Buy |
Certified Peptides #66 by metascore · US, WA 98579 |
Metascore 79Finnrick 58%Bought vials 100% of label · 12 testsTitrateLabLab report (image)Online checkout |
SELANK / SEMAX 10/10MG | 1 × 20 mg | $120.00 | $6.00 | Buy |
Onyx Research Affiliate #36 by metascore · US |
Semax +Selank Blend — Box of 10 | 10 × 10 mg = 100 mg | $840.00 $84.00 per vial |
$8.40 | Buy | |
Risynth Bio #82 by metascore · US |
Metascore 77Finnrick 69%Bought vials 100% of label · 18 testsTitrateLabNo report for thisOnline checkout |
Selank + Semax Bundle 5/5 mg | 2 × 5 mg = 10 mg | $89.00 $44.50 per vial |
$8.90 | Buy |
Risynth Bio #82 by metascore · US |
Metascore 77Finnrick 69%Bought vials 100% of label · 18 testsTitrateLabNo report for thisOnline checkout |
Selank + Semax Bundle 10/10 mg | 2 × 10 mg = 20 mg | $179.00 $89.50 per vial |
$8.95 | Buy |
Onyx Research Affiliate #36 by metascore · US |
Semax +Selank Blend | 1 × 10 mg | $94.50 | $9.45 | Buy | |
Simple Peptide #25 by metascore · US, FL 33446 |
Metascore 83Finnrick 62%PepIndex 82/100Bought vials 100% of label · 44 testsTitrateLabNo report for thisOnline checkout |
Semax/Selank Blend 5 mg | 1 × 5 mg | $60.00 | $12.00 | Buy |
Bio Pepz #98 by metascore · US |
Metascore 76 medium confidenceFinnrick 82%Bought vials 110% of label · 4 testsTitrateLabNo report for thisAccount needed |
SELANK / SEMAX BLEND | 1 vial, size not stated | $50.00 | – | Buy |
Modern Aminos Affiliate #125 by metascore · US |
Metascore 75 medium confidenceFinnrick 79%PepIndex 81/100Bought vials 100% of label · 5 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisOnline checkout |
Melts Pro™ Selank + Semax $30 off through this site's link (new customers) |
20 vials, size not stated | $174.99 $30 off through this site's link (new customers) $8.75 per vial |
– | Buy |
Modern Aminos Affiliate #125 by metascore · US |
Metascore 75 medium confidenceFinnrick 79%PepIndex 81/100Bought vials 100% of label · 5 testsTitrateLab · PeptideBase · Peptide CriticNo report for thisOnline checkout |
NA-Semax/NA-Selank Research Blend $30 off through this site's link (new customers) |
1 vial, size not stated | $78.00 $30 off through this site's link (new customers) |
– | Buy |
Simple Peptide #25 by metascore · US, FL 33446 |
Metascore 83Finnrick 62%PepIndex 82/100Bought vials 100% of label · 44 testsTitrateLabNo report for thisOnline checkout |
Melts Pro™ Selank + Semax Dissolving Strips | 1 vial, size not stated | $174.99 | – | Buy |
Mixing a 20 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 | 20 mg/mL | 2,000 mcg | 200 mcg |
| 2 mL | 10 mg/mL | 1,000 mcg | 100 mcg |
| 3 mL | 6.667 mg/mL | 666.7 mcg | 66.67 mcg |
| 5 mL | 4 mg/mL | 400 mcg | 40 mcg |
Published lab results
18 certificates of analysis that vendors publish for Selank + Semax. Numbers are only filled in where the document is readable text; image-only COAs are linked without numbers. A vendor's own COA shows one tested sample, not every batch.
| Vendor | Lab | Date | Label | Measured | Purity | Batch | |
|---|---|---|---|---|---|---|---|
Certified Peptides |
– | 2026-09-28 | – | – | – | View (image) | |
NextGen Health |
ILS Laboratories | 2026-09-14 | 0.5 mg | 0.51 mg 102% | – | SMXSLK01 | View |
NuLife PeptidesCOA note |
Freedom Diagnostics | 2026-09-01 | 20 mg | 25.43 mg 127% | 99.83% | NLSESE20501 (FD #2608280256, client 'Wholesale', 'Semax/Selank 10mg/10mg') | View |
Amino Usa |
BioRegen | 2026-08-20 | – | – | 99.46% | 26SLSM20-0001 | View |
My Pure Peptide |
Janoshik | 2026-08-11 | 20 mg | 21.17 mg 106% | – | Janoshik task #216328 | View |
CertaPeptides |
Janoshik | 2026-08-06 | 20 mg | 21.2 mg 106% | – | View | |
Gulf Coast Aminos |
Freedom Diagnostics | 2026-07-26 | 20 mg | 19.61 mg 98% | 99.27% | SKX-20-0726 | View |
Tydes |
Accumark Labs ✓ lab | 2026-07-09 | – | 14.755 mg | 99.654% | SKSX10070326; AccuVerify 7HWK-QJDV | View |
Onyx Research |
Freedom Diagnostics | 2026-06-26 | 10 mg | 10.69 mg 107% | 99.77% | ONYXRESSEMSEL551 | View |
Peptide Crafters |
Vanguard Laboratory | 2026-06-26 | 10 mg | 5.92 mg 59% | 98.51% | PC-G2-SS12 (Selank & Semax 10mg (5/5mg) Blend) | View |
Barn |
Janoshik | – | 20 mg | – | – | 260727 | View (image) |
NextechLabs |
ILS Laboratories | – | – | – | – | NTL-260724-LYO-008 | View (image) |
Noble Dragons |
Janoshik | – | 20 mg | – | – | KX-260727; Yellow cap; warehouse Earth; supplier COA; task #214665 | View (image) |
Prime Peptides |
Janoshik | – | – | – | – | View (image) | |
Royal PeptidesCOA note |
Janoshik | – | 20 mg | – | – | XS20; task #226520 | View (image) |
Shanghai Sigma Audley SSA |
Janoshik | – | 20 mg | – | – | Janoshik #78000 'selank10mgsemax_10mg' (posted 2025-09-10) | View (image) |
Skye PeptidesCOA note |
Janoshik | – | 10 mg | – | – | SKSX26-10-002 | View (image) |
Tianjin Finder Chemical TFC |
Janoshik | – | – | – | – | Janoshik #215978 (semaxselank_20_889920) | View (image) |
Discussions elsewhere
Experiences and questions about Selank + Semax on other sites. Treat anecdotes with care.
Selank + Semax: questions people ask
How much does Selank + Semax cost?
The cheapest Selank + Semax from an independently tested vendor is $0.500 per mg (Barn, Selank+Semax 20 (20MG × 10 VIALS), $100.00). Across 41 listings from 26 vendors the median is $4.00 per mg.
Where can I buy Selank + Semax?
26 vendors tested by Finnrick sell Selank + Semax. The cheapest per mg right now: Barn ($0.500), Shanghai Wibson Biotechnology WBS ($0.700), Bulk Peptide Wholesale ($1.00). 5 of them publish a lab report (COA) for Selank + Semax; compare lab scores and reports in the table above before buying.
How much bacteriostatic water for 20 mg of Selank + Semax?
Adding 2 mL of bacteriostatic water to a 20 mg vial of Selank + Semax gives 10 mg/mL: each 10 units on a U-100 insulin syringe holds 1,000 mcg. With 1 mL it's 20 mg/mL (2,000 mcg per 10 units); with 3 mL, 6.667 mg/mL (666.7 mcg per 10 units). More water makes small amounts easier to measure. Mixing charts: 5 mg, 10 mg, 20 mg.