BPC-157 $2.60/mg @ S1 Research TESAMORELIN $5.00/mg @ Tegridy-Research MOTS-C $1.70/mg @ S1 Research TB-500 $3.80/mg @ Tegridy-Research SELANK $2.70/mg @ Tegridy-Research IPAMORELIN $3.20/mg @ Tegridy-Research SEMAX $2.12/mg @ Biotech Peptides PT-141 $3.00/mg @ S1 Research CJC-1295 $4.90/mg @ Valor Peptides EPITHALON $1.50/mg @ Tegridy-Research DSIP $3.20/mg @ Tegridy-Research AOD-9604 $7.00/mg @ Tegridy-Research MELANOTAN II $2.80/mg @ Modern Research Peptides RETATRUTIDE $5.97/mg @ Peptira THYMOSIN ALPHA-1 $4.50/mg @ Tegridy-Research TIRZEPATIDE $3.32/mg @ Peptira GHK-CU $0.70/mg @ EZ Peptides KISSPEPTIN $4.00/mg @ Modern Research Peptides CAGRILINTIDE $6.60/mg @ Modern Research Peptides SEMAGLUTIDE $5.95/mg @ Peptira IGF-1 LR3 $48.00/mg @ S1 Research BPC-157 $2.60/mg @ S1 Research TESAMORELIN $5.00/mg @ Tegridy-Research MOTS-C $1.70/mg @ S1 Research TB-500 $3.80/mg @ Tegridy-Research SELANK $2.70/mg @ Tegridy-Research IPAMORELIN $3.20/mg @ Tegridy-Research SEMAX $2.12/mg @ Biotech Peptides PT-141 $3.00/mg @ S1 Research CJC-1295 $4.90/mg @ Valor Peptides EPITHALON $1.50/mg @ Tegridy-Research DSIP $3.20/mg @ Tegridy-Research AOD-9604 $7.00/mg @ Tegridy-Research MELANOTAN II $2.80/mg @ Modern Research Peptides RETATRUTIDE $5.97/mg @ Peptira THYMOSIN ALPHA-1 $4.50/mg @ Tegridy-Research TIRZEPATIDE $3.32/mg @ Peptira GHK-CU $0.70/mg @ EZ Peptides KISSPEPTIN $4.00/mg @ Modern Research Peptides CAGRILINTIDE $6.60/mg @ Modern Research Peptides SEMAGLUTIDE $5.95/mg @ Peptira IGF-1 LR3 $48.00/mg @ S1 Research
pepmg_ The transparent price-per-mg index for research peptides.

index / vendors / s1-research

S1 RESEARCH active

S1 Research

Independent price profile. We track 15 in-stock listings from s1research.net · cheapest tracked: $0.03/mg.

Independent listing — pepmg has no commercial relationship with S1 Research and earns nothing from this link. We track their public prices for comparison only.
S1 Research has no public affiliate program. Discovered via first-party sweep; affiliate program unverified.

refreshed 50m ago

pepmg vendor score criteria-based · not a user review
69/100
B
Price competitiveness
34/40 cheapest on 9 tracked compound(s) vs market
Catalog breadth
14/20 11 clean in-stock listings tracked
COA transparency
6/25 third-party lab program UNVERIFIED — vendor can verify
Price transparency
10/10 public prices machine-readable
Track record
5/5 active

Computed from public price data + verifiable trust signals. No opinions, no testimonials. Vendors: verify your third-party COA program to raise this score.

INDEPENDENT REVIEWSoff-site · not ours

We don't host reviews — an unverifiable review box is a magnet for bots and paid posts, and we won't pretend otherwise. Instead, here's where you can read what real buyers say about S1 Research, on sites we don't control:

These are independent, unmoderated sources — we link them, we don't vouch for them, and a "profile" or "search" link may turn up little or nothing. pepmg's job is the part we can stand behind: prices captured first-party with a timestamp, ranked purely by $/mg, plus the objective Vendor Score above. Vetting a source you're about to buy from still matters, and that call is ultimately yours — we've made it as informed as we honestly can.

price matrix · sorted by $/mg first-party · live 15 listings
#VendorProductSize Price$/mgTrendCode
1 S1 Research Glutathione 1500mg(1482.36mg) BULK first-party · captured 51m ago · earns pepmg $0 · source ↗ 1500mg $46.00 $0.03 buy →
2 S1 Research NAD+ pH Balanced 1000mg BULK first-party · captured 51m ago · earns pepmg $0 · source ↗ 1000mg $60.00 $0.06 · buy →
3 S1 Research NAD+ pH Balanced 500mg BULK first-party · captured 51m ago · earns pepmg $0 · source ↗ 500mg $55.00 $0.11 · buy →
4 S1 Research GHK-Cu 100mg BULK first-party · captured 51m ago · earns pepmg $0 · source ↗ 100mg $30.00 $0.30 · buy →
5 S1 Research MOTS-C 40mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 40mg $68.00 $1.70 · buy →
6 S1 Research Epitalon 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $25.00 $2.50 buy →
7 S1 Research BPC-157 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $26.00 $2.60 buy →
8 S1 Research MOTS-C 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $30.00 $3.00 · buy →
9 S1 Research PT-141 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $30.00 $3.00 buy →
10 S1 Research Ipamorelin10mg(9.7mg) first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $33.00 $3.30 buy →
11 S1 Research TB-500 Frag 17-23 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $40.00 $4.00 buy →
12 S1 Research NA Semax Amidate 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $40.00 $4.00 buy →
13 S1 Research NA Selank Amidate 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $40.00 $4.00 buy →
14 S1 Research TB-500(TB4) 10mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 10mg $44.00 $4.40 · buy →
15 S1 Research IGF-1 LR3 1mg first-party · captured 51m ago · earns pepmg $0 · source ↗ 1mg $48.00 $48.00 buy →
All products listed are sold by third-party vendors for laboratory and research use only (RUO). pepmg sells nothing, ships nothing, and gives no medical, dosing, or human-use guidance. Listings are price-tracking data, not endorsements.