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Vendor comparison

Lab Ratz Research vs Priority Peptides

Priority Peptides is cheaper per mg on 48 of the 54 peptides they share; Lab Ratz Research on 6.

Across all 54, Priority Peptides’s price per mg is a median 49% lower than Lab Ratz Research’s.

Lab Ratz Research
Listings on the index
77
Cheaper per mg on
6 of 54 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
4 Nov 2026
Priority Peptides
Listings on the index
60
Cheaper per mg on
48 of 54 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
5 Nov 2026

Retail 54

Purchases of fewer than 10 vials.

  • 5-Amino-1MQ

    Lab Ratz Research

    $6.50/mg

    10 mg · $65.00

    checked 4 Nov 2026

    Priority Peptides

    $1.50/mg

    50 mg · $74.99

    checked 5 Nov 2026

    Priority Peptides 77% cheaper

  • Adamax

    Lab Ratz Research

    $7.00/mg

    10 mg · $70.00

    checked 4 Nov 2026

    Priority Peptides

    $6.50/mg

    10 mg · $64.99

    checked 5 Nov 2026

    Priority Peptides 7% cheaper

  • AOD-9604

    Lab Ratz Research

    $7.40/mg

    10 mg · $74.00

    checked 4 Nov 2026

    Priority Peptides

    $6.50/mg

    10 mg · $64.99

    checked 5 Nov 2026

    Priority Peptides 12% cheaper

  • ARA-290

    Lab Ratz Research

    $14.69/mg

    16 mg · $235.00

    checked 4 Nov 2026

    Priority Peptides

    $3.67/mg

    30 mg · $109.99

    checked 5 Nov 2026

    Priority Peptides 75% cheaper

  • Argireline

    Lab Ratz Research

    $7.80/mg

    10 mg · $78.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    10 mg · $29.99

    checked 5 Nov 2026

    Priority Peptides 62% cheaper

  • B7-33

    Lab Ratz Research

    $14.50/mg

    10 mg · $145.00

    checked 4 Nov 2026

    Priority Peptides

    $7.50/mg

    10 mg · $74.99

    checked 5 Nov 2026

    Priority Peptides 48% cheaper

  • BPC-157

    Lab Ratz Research

    $8.80/mg

    10 mg · $88.00

    checked 4 Nov 2026

    Priority Peptides

    $4.50/mg

    20 mg · $89.99

    checked 5 Nov 2026

    Priority Peptides 49% cheaper

  • Bronchogen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • Cagrilintide

    Lab Ratz Research

    $16.90/mg

    10 mg · $169.00

    checked 4 Nov 2026

    Priority Peptides

    $7.00/mg

    5 mg · $34.99

    checked 5 Nov 2026

    Priority Peptides 59% cheaper

  • Cardiogen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • Cartalax

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $2.08/mg

    60 mg · $124.99

    checked 5 Nov 2026

    Priority Peptides 69% cheaper

  • Chonluten

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • CJC-1295 NO DAC

    Lab Ratz Research

    $8.07/mg

    10 mg · $80.75

    checked 4 Nov 2026

    Priority Peptides

    $5.00/mg

    10 mg · $49.99

    checked 5 Nov 2026

    Priority Peptides 38% cheaper

  • Cortagen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • Crystagen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • Dihexa

    Lab Ratz Research

    $22.00/mg

    10 mg · $220.00

    checked 4 Nov 2026

    Priority Peptides

    $7.50/mg

    10 mg · $74.99

    checked 5 Nov 2026

    Priority Peptides 66% cheaper

  • DSIP

    Lab Ratz Research

    $7.20/mg

    15 mg · $108.00

    checked 4 Nov 2026

    Priority Peptides

    $5.00/mg

    10 mg · $49.99

    checked 5 Nov 2026

    Priority Peptides 31% cheaper

  • Epithalon

    Lab Ratz Research

    $4.50/mg

    50 mg · $225.00

    checked 4 Nov 2026

    Priority Peptides

    $2.00/mg

    50 mg · $99.99

    checked 5 Nov 2026

    Priority Peptides 56% cheaper

  • GHK-Cu

    Lab Ratz Research

    $1.25/mg

    100 mg · $125.00

    checked 4 Nov 2026

    Priority Peptides

    $0.650/mg

    100 mg · $64.99

    checked 5 Nov 2026

    Priority Peptides 48% cheaper

  • GHRP-2

    Lab Ratz Research

    $8.07/mg

    10 mg · $80.75

    checked 4 Nov 2026

    Priority Peptides

    $5.00/mg

    10 mg · $49.99

    checked 5 Nov 2026

    Priority Peptides 38% cheaper

  • GHRP-6

    Lab Ratz Research

    $8.07/mg

    10 mg · $80.75

    checked 4 Nov 2026

    Priority Peptides

    $5.00/mg

    10 mg · $49.99

    checked 5 Nov 2026

    Priority Peptides 38% cheaper

  • Glutathione

    Lab Ratz Research

    $0.080/mg

    1500 mg · $120.00

    checked 4 Nov 2026

    Priority Peptides

    $0.046/mg

    1200 mg · $54.99

    checked 5 Nov 2026

    Priority Peptides 43% cheaper

  • Hexarelin

    Lab Ratz Research

    $10.80/mg

    5 mg · $54.00

    checked 4 Nov 2026

    Priority Peptides

    $8.00/mg

    5 mg · $39.99

    checked 5 Nov 2026

    Priority Peptides 26% cheaper

  • Ipamorelin

    Lab Ratz Research

    $8.00/mg

    10 mg · $80.00

    checked 4 Nov 2026

    Priority Peptides

    $5.00/mg

    10 mg · $49.99

    checked 5 Nov 2026

    Priority Peptides 38% cheaper

  • Kisspeptin

    Lab Ratz Research

    $12.00/mg

    10 mg · $120.00

    checked 4 Nov 2026

    Priority Peptides

    $5.50/mg

    10 mg · $54.99

    checked 5 Nov 2026

    Priority Peptides 54% cheaper

  • KLOW

    Lab Ratz Research

    $1.44/mg

    80 mg · $115.00

    checked 4 Nov 2026

    Priority Peptides

    $1.56/mg

    80 mg · $124.99

    checked 5 Nov 2026

    Lab Ratz Research 8% cheaper

  • KPV

    Lab Ratz Research

    $8.93/mg

    10 mg · $89.30

    checked 4 Nov 2026

    Priority Peptides

    $3.33/mg

    30 mg · $99.99

    checked 5 Nov 2026

    Priority Peptides 63% cheaper

  • LL-37

    Lab Ratz Research

    $11.50/mg

    10 mg · $115.00

    checked 4 Nov 2026

    Priority Peptides

    $15.00/mg

    5 mg · $74.99

    checked 5 Nov 2026

    Lab Ratz Research 23% cheaper

  • Matrixyl

    Lab Ratz Research

    $6.17/mg

    10 mg · $61.75

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    10 mg · $29.99

    checked 5 Nov 2026

    Priority Peptides 51% cheaper

  • Melanotan 1

    Lab Ratz Research

    $8.00/mg

    10 mg · $80.00

    checked 4 Nov 2026

    Priority Peptides

    $4.00/mg

    10 mg · $39.99

    checked 5 Nov 2026

    Priority Peptides 50% cheaper

  • Melanotan 2

    Lab Ratz Research

    $7.50/mg

    10 mg · $75.00

    checked 4 Nov 2026

    Priority Peptides

    $4.00/mg

    10 mg · $39.99

    checked 5 Nov 2026

    Priority Peptides 47% cheaper

  • MOTS-C

    Lab Ratz Research

    $9.38/mg

    40 mg · $375.00

    checked 4 Nov 2026

    Priority Peptides

    $3.75/mg

    40 mg · $149.99

    checked 5 Nov 2026

    Priority Peptides 60% cheaper

  • NAD+

    Lab Ratz Research

    $0.145/mg

    1000 mg · $145.00

    checked 4 Nov 2026

    Priority Peptides

    $0.111/mg

    1000 mg · $110.99

    checked 5 Nov 2026

    Priority Peptides 23% cheaper

  • Ovagen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • Oxytocin

    Lab Ratz Research

    $7.80/mg

    10 mg · $78.00

    checked 4 Nov 2026

    Priority Peptides

    $9.99/mg

    2 mg · $19.99

    checked 5 Nov 2026

    Lab Ratz Research 22% cheaper

  • Pancragen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • PE-22-28

    Lab Ratz Research

    $7.00/mg

    10 mg · $70.00

    checked 4 Nov 2026

    Priority Peptides

    $5.50/mg

    10 mg · $54.99

    checked 5 Nov 2026

    Priority Peptides 21% cheaper

  • PEG-MGF

    Lab Ratz Research

    $36.00/mg

    2 mg · $72.00

    checked 4 Nov 2026

    Priority Peptides

    $22.50/mg

    2 mg · $44.99

    checked 5 Nov 2026

    Priority Peptides 38% cheaper

  • Pinealon

    Lab Ratz Research

    $7.40/mg

    20 mg · $148.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    10 mg · $29.99

    checked 5 Nov 2026

    Priority Peptides 59% cheaper

  • Prostamax

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $2.50/mg

    40 mg · $99.99

    checked 5 Nov 2026

    Priority Peptides 62% cheaper

  • Retatrutide

    Lab Ratz Research

    $9.50/mg

    60 mg · $570.00

    checked 4 Nov 2026

    Priority Peptides

    $5.50/mg

    50 mg · $275.00

    checked 5 Nov 2026

    Priority Peptides 42% cheaper

  • Selank

    Lab Ratz Research

    $7.73/mg

    11 mg · $85.00

    checked 4 Nov 2026

    Priority Peptides

    $4.00/mg

    10 mg · $39.99

    checked 5 Nov 2026

    Priority Peptides 48% cheaper

  • Semaglutide

    Lab Ratz Research

    $7.00/mg

    30 mg · $210.00

    checked 4 Nov 2026

    Priority Peptides

    $11.30/mg

    20 mg · $225.99

    checked 5 Nov 2026

    Lab Ratz Research 38% cheaper

  • Sermorelin

    Lab Ratz Research

    $9.50/mg

    10 mg · $95.00

    checked 4 Nov 2026

    Priority Peptides

    $10.60/mg

    10 mg · $105.99

    checked 5 Nov 2026

    Lab Ratz Research 10% cheaper

  • SNAP-8

    Lab Ratz Research

    $3.23/mg

    100 mg · $323.00

    checked 4 Nov 2026

    Priority Peptides

    $3.50/mg

    10 mg · $34.99

    checked 5 Nov 2026

    Lab Ratz Research 8% cheaper

  • SS-31

    Lab Ratz Research

    $6.60/mg

    50 mg · $330.00

    checked 4 Nov 2026

    Priority Peptides

    $2.80/mg

    50 mg · $139.99

    checked 5 Nov 2026

    Priority Peptides 58% cheaper

  • TB-500

    Lab Ratz Research

    $9.50/mg

    10 mg · $95.00

    checked 4 Nov 2026

    Priority Peptides

    $5.00/mg

    10 mg · $49.99

    checked 5 Nov 2026

    Priority Peptides 47% cheaper

  • Tesamorelin

    Lab Ratz Research

    $9.75/mg

    20 mg · $195.00

    checked 4 Nov 2026

    Priority Peptides

    $6.25/mg

    20 mg · $124.99

    checked 5 Nov 2026

    Priority Peptides 36% cheaper

  • Testagen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    20 mg · $59.99

    checked 5 Nov 2026

    Priority Peptides 55% cheaper

  • Thymalin

    Lab Ratz Research

    $8.50/mg

    10 mg · $85.00

    checked 4 Nov 2026

    Priority Peptides

    $4.50/mg

    10 mg · $44.99

    checked 5 Nov 2026

    Priority Peptides 47% cheaper

  • Thymosin Alpha-1

    Lab Ratz Research

    $12.00/mg

    10 mg · $120.00

    checked 4 Nov 2026

    Priority Peptides

    $7.50/mg

    10 mg · $74.99

    checked 5 Nov 2026

    Priority Peptides 38% cheaper

  • Tirzepatide

    Lab Ratz Research

    $8.75/mg

    80 mg · $700.00

    checked 4 Nov 2026

    Priority Peptides

    $3.00/mg

    120 mg · $360.00

    checked 5 Nov 2026

    Priority Peptides 66% cheaper

  • Vesugen

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $2.08/mg

    60 mg · $124.99

    checked 5 Nov 2026

    Priority Peptides 69% cheaper

  • Vilon

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Priority Peptides

    $2.08/mg

    60 mg · $124.99

    checked 5 Nov 2026

    Priority Peptides 69% cheaper

Two listings are compared only when they are the same peptide in the same market, so a 10-vial kit is never set against a single vial. Price per mg is our arithmetic on the listed price, for comparison; the amount you pay is the listed price for the size shown, so check it on the vendor’s own page before you buy. What price per mg means.

No vendor can pay to change a price or the order of anything on this page. Some outbound links are affiliate links.