How much do research peptide prices differ between vendors?

Updated from live data. Research use only. Prices, not recommendations.

Paying a typical store instead of the cheapest one costs a median 310% more per mg. That holds across 41 peptides sold by at least four vendors. At the extremes, the priciest store charges a median 9.1x what the cheapest does.

The widest gap is NAD+: $0.04/mg at Chimera Peptides against $13.00/mg at Omega Aminos. Gaps that wide usually pair a bulk vial at one store with a small vial at another; the vial size report shows how much size alone moves the price.

PeptideLowestHighestGap
NAD+21 vendors · median $0.125Lowest: $0.04$13.00325x
Dihexa5 vendors · median $18.80Lowest: $0.196$20.40104x
GHK-Cu21 vendors · median $0.59Lowest: $0.104$8.0077x
5-Amino-1MQ15 vendors · median $1.98Lowest: $0.30$13.0043x
PT-14118 vendors · median $4.40Lowest: $1.00$39.9940x
Epithalon17 vendors · median $3.00Lowest: $0.416$16.0038x
KPV21 vendors · median $5.00Lowest: $1.00$27.9928x
MOTS-c22 vendors · median $4.58Lowest: $0.50$12.2024x
Tirzepatide11 vendors · median $3.00Lowest: $0.343$8.3324x
Semaglutide6 vendors · median $4.69Lowest: $0.467$9.0019x
Retatrutide13 vendors · median $3.97Lowest: $0.598$10.0017x
IGF-1 LR38 vendors · median $64.50Lowest: $12.00$169.0014x
Thymalin6 vendors · median $5.69Lowest: $1.00$14.0014x
Cagrilintide13 vendors · median $8.80Lowest: $2.60$34.0013x
Ipamorelin17 vendors · median $6.70Lowest: $1.14$14.2012x
BPC-15721 vendors · median $5.40Lowest: $1.00$12.0012x
Semax20 vendors · median $3.20Lowest: $1.04$10.209.9x
DSIP17 vendors · median $6.00Lowest: $1.28$12.489.7x
CJC-12958 vendors · median $9.70Lowest: $4.16$39.999.6x
Hexarelin7 vendors · median $8.00Lowest: $1.95$18.339.4x
SLU-PP-3328 vendors · median $5.43Lowest: $1.97$18.009.1x
Melanotan II15 vendors · median $4.00Lowest: $1.00$9.009.0x
SS-3110 vendors · median $3.78Lowest: $0.902$8.008.9x
Selank21 vendors · median $4.40Lowest: $1.23$10.208.3x
Kisspeptin-1016 vendors · median $6.00Lowest: $1.47$12.008.2x
TB-50021 vendors · median $5.85Lowest: $2.04$16.508.1x
Sermorelin16 vendors · median $8.40Lowest: $1.84$14.007.6x
LL-3712 vendors · median $13.86Lowest: $2.50$18.997.6x
VIP13 vendors · median $7.20Lowest: $2.00$14.997.5x
Thymosin Alpha-116 vendors · median $7.55Lowest: $2.00$14.907.5x
Tesamorelin21 vendors · median $6.80Lowest: $2.36$16.206.9x
CJC-1295 (no DAC)12 vendors · median $7.55Lowest: $1.97$12.206.2x
Melanotan I11 vendors · median $4.30Lowest: $1.00$5.605.6x
GHRP-26 vendors · median $3.51Lowest: $0.76$3.995.3x
Cartalax13 vendors · median $3.50Lowest: $2.70$12.004.4x
AOD-960414 vendors · median $7.90Lowest: $3.00$12.004.0x
GHRP-66 vendors · median $3.51Lowest: $1.02$3.993.9x
ARA-29012 vendors · median $5.05Lowest: $4.38$14.003.2x
P0215 vendors · median $11.00Lowest: $9.80$23.202.4x
Thymagen5 vendors · median $3.45Lowest: $3.00$4.001.3x
Eloralintide4 vendors · median $16.50Lowest: $15.00$17.801.2x

38 of 41 peptides have a gap of 3x or more

The narrowest gap is on Eloralintide, where the dearest of four vendors charges 1.2x the cheapest. A big gap usually means one or two stores price a small vial far above everyone else, so the median column is the fairer picture of what most stores ask.

The cheapest store changes from peptide to peptide

Seven different vendors hold the lowest price on at least one of these 41 peptides, and none is cheapest on more than 30. Checking one favorite store for everything rarely gets the lowest price.

How we measured this

Each vendor counts once per peptide, at its cheapest live listing: list price plus any shipping estimate, minus the sale and the sitewide code we show on the compare page, divided by total mg. Peptides need four or more vendors to appear; pre-mixed stacks are left out. Gap is highest price over lowest.

No vendor pays for placement and none of these numbers is a ranking for sale. Buy links on the pages linked here may earn us a commission. More on how the site works on the about page.