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Vendor comparison

Catalyst Peptides vs Lab Ratz Research

Catalyst Peptides is cheaper per mg on 41 of the 51 peptides they share; Lab Ratz Research on 10.

Across all 51, Catalyst Peptides’s price per mg is a median 32% lower than Lab Ratz Research’s.

Catalyst Peptides
Listings on the index
55
Cheaper per mg on
41 of 51 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
21 Oct 2026
Lab Ratz Research
Listings on the index
77
Cheaper per mg on
10 of 51 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
6 Nov 2026

Retail 51

Purchases of fewer than 10 vials.

  • 5-Amino-1MQ

    Catalyst Peptides

    $1.50/mg

    50 mg · $75.00

    checked 21 Oct 2026

    Lab Ratz Research

    $6.50/mg

    10 mg · $65.00

    checked 6 Nov 2026

    Catalyst Peptides 77% cheaper

  • ACE-031

    Catalyst Peptides

    $60.00/mg

    1 mg · $60.00

    checked 21 Oct 2026

    Lab Ratz Research

    $115.00/mg

    1 mg · $115.00

    checked 6 Nov 2026

    Catalyst Peptides 48% cheaper

  • AICAR

    Catalyst Peptides

    $1.12/mg

    50 mg · $56.00

    checked 21 Oct 2026

    Lab Ratz Research

    $1.52/mg

    100 mg · $152.00

    checked 6 Nov 2026

    Catalyst Peptides 26% cheaper

  • AOD-9604

    Catalyst Peptides

    $9.60/mg

    10 mg · $96.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.40/mg

    10 mg · $74.00

    checked 6 Nov 2026

    Lab Ratz Research 23% cheaper

  • ARA-290

    Catalyst Peptides

    $5.90/mg

    10 mg · $59.00

    checked 21 Oct 2026

    Lab Ratz Research

    $14.69/mg

    16 mg · $235.00

    checked 6 Nov 2026

    Catalyst Peptides 60% cheaper

  • BPC-157

    Catalyst Peptides

    $5.40/mg

    10 mg · $54.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.80/mg

    10 mg · $88.00

    checked 6 Nov 2026

    Catalyst Peptides 39% cheaper

  • Cagrilintide

    Catalyst Peptides

    $12.60/mg

    10 mg · $126.00

    checked 21 Oct 2026

    Lab Ratz Research

    $16.90/mg

    10 mg · $169.00

    checked 6 Nov 2026

    Catalyst Peptides 25% cheaper

  • CJC-1295 DAC

    Catalyst Peptides

    $14.00/mg

    5 mg · $70.00

    checked 21 Oct 2026

    Lab Ratz Research

    $9.50/mg

    5 mg · $47.50

    checked 6 Nov 2026

    Lab Ratz Research 32% cheaper

  • DSIP

    Catalyst Peptides

    $5.20/mg

    10 mg · $52.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.20/mg

    15 mg · $108.00

    checked 6 Nov 2026

    Catalyst Peptides 28% cheaper

  • Epithalon

    Catalyst Peptides

    $3.15/mg

    10 mg · $31.50

    checked 21 Oct 2026

    Lab Ratz Research

    $4.50/mg

    50 mg · $225.00

    checked 6 Nov 2026

    Catalyst Peptides 30% cheaper

  • FOXO4-DRI

    Catalyst Peptides

    $31.50/mg

    10 mg · $315.00

    checked 21 Oct 2026

    Lab Ratz Research

    $30.00/mg

    10 mg · $300.00

    checked 6 Nov 2026

    Lab Ratz Research 5% cheaper

  • GHK-Cu

    Catalyst Peptides

    $0.700/mg

    100 mg · $70.00

    checked 21 Oct 2026

    Lab Ratz Research

    $1.25/mg

    100 mg · $125.00

    checked 6 Nov 2026

    Catalyst Peptides 44% cheaper

  • GHRP-2

    Catalyst Peptides

    $5.00/mg

    10 mg · $50.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.07/mg

    10 mg · $80.75

    checked 6 Nov 2026

    Catalyst Peptides 38% cheaper

  • GHRP-6

    Catalyst Peptides

    $5.00/mg

    10 mg · $50.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.07/mg

    10 mg · $80.75

    checked 6 Nov 2026

    Catalyst Peptides 38% cheaper

  • Glutathione

    Catalyst Peptides

    $0.051/mg

    1500 mg · $77.00

    checked 21 Oct 2026

    Lab Ratz Research

    $0.080/mg

    1500 mg · $120.00

    checked 6 Nov 2026

    Catalyst Peptides 36% cheaper

  • Hexarelin

    Catalyst Peptides

    $13.00/mg

    5 mg · $65.00

    checked 21 Oct 2026

    Lab Ratz Research

    $10.80/mg

    5 mg · $54.00

    checked 6 Nov 2026

    Lab Ratz Research 17% cheaper

  • Ipamorelin

    Catalyst Peptides

    $5.60/mg

    10 mg · $56.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.00/mg

    10 mg · $80.00

    checked 6 Nov 2026

    Catalyst Peptides 30% cheaper

  • Kisspeptin

    Catalyst Peptides

    $5.25/mg

    10 mg · $52.50

    checked 21 Oct 2026

    Lab Ratz Research

    $12.00/mg

    10 mg · $120.00

    checked 6 Nov 2026

    Catalyst Peptides 56% cheaper

  • KLOW

    Catalyst Peptides

    $1.75/mg

    80 mg · $140.00

    checked 21 Oct 2026

    Lab Ratz Research

    $1.44/mg

    80 mg · $115.00

    checked 6 Nov 2026

    Lab Ratz Research 18% cheaper

  • KPV

    Catalyst Peptides

    $4.50/mg

    10 mg · $45.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.93/mg

    10 mg · $89.30

    checked 6 Nov 2026

    Catalyst Peptides 50% cheaper

  • LL-37

    Catalyst Peptides

    $11.40/mg

    5 mg · $57.00

    checked 21 Oct 2026

    Lab Ratz Research

    $11.50/mg

    10 mg · $115.00

    checked 6 Nov 2026

    Catalyst Peptides 1% cheaper

  • Mazdutide

    Catalyst Peptides

    $9.75/mg

    10 mg · $97.50

    checked 21 Oct 2026

    Lab Ratz Research

    $13.00/mg

    10 mg · $130.00

    checked 6 Nov 2026

    Catalyst Peptides 25% cheaper

  • Melanotan 1

    Catalyst Peptides

    $4.50/mg

    10 mg · $45.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.00/mg

    10 mg · $80.00

    checked 6 Nov 2026

    Catalyst Peptides 44% cheaper

  • Melanotan 2

    Catalyst Peptides

    $3.80/mg

    10 mg · $38.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.50/mg

    10 mg · $75.00

    checked 6 Nov 2026

    Catalyst Peptides 49% cheaper

  • MGF

    Catalyst Peptides

    $25.00/mg

    2 mg · $50.00

    checked 21 Oct 2026

    Lab Ratz Research

    $29.00/mg

    2 mg · $58.00

    checked 6 Nov 2026

    Catalyst Peptides 14% cheaper

  • MOTS-C

    Catalyst Peptides

    $4.20/mg

    10 mg · $42.00

    checked 21 Oct 2026

    Lab Ratz Research

    $9.38/mg

    40 mg · $375.00

    checked 6 Nov 2026

    Catalyst Peptides 55% cheaper

  • NAD+

    Catalyst Peptides

    $0.087/mg

    1000 mg · $87.50

    checked 21 Oct 2026

    Lab Ratz Research

    $0.145/mg

    1000 mg · $145.00

    checked 6 Nov 2026

    Catalyst Peptides 40% cheaper

  • Oxytocin

    Catalyst Peptides

    $4.50/mg

    10 mg · $45.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.80/mg

    10 mg · $78.00

    checked 6 Nov 2026

    Catalyst Peptides 42% cheaper

  • P21

    Catalyst Peptides

    $29.90/mg

    10 mg · $299.00

    checked 21 Oct 2026

    Lab Ratz Research

    $20.00/mg

    5 mg · $100.00

    checked 6 Nov 2026

    Lab Ratz Research 33% cheaper

  • PE-22-28

    Catalyst Peptides

    $5.00/mg

    10 mg · $50.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.00/mg

    10 mg · $70.00

    checked 6 Nov 2026

    Catalyst Peptides 29% cheaper

  • PEG-MGF

    Catalyst Peptides

    $24.00/mg

    2 mg · $48.00

    checked 21 Oct 2026

    Lab Ratz Research

    $36.00/mg

    2 mg · $72.00

    checked 6 Nov 2026

    Catalyst Peptides 33% cheaper

  • Pinealon

    Catalyst Peptides

    $6.50/mg

    10 mg · $65.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.40/mg

    20 mg · $148.00

    checked 6 Nov 2026

    Catalyst Peptides 12% cheaper

  • PNC-27

    Catalyst Peptides

    $7.20/mg

    10 mg · $72.00

    checked 21 Oct 2026

    Lab Ratz Research

    $14.50/mg

    10 mg · $145.00

    checked 6 Nov 2026

    Catalyst Peptides 50% cheaper

  • PT-141

    Catalyst Peptides

    $4.00/mg

    10 mg · $40.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.50/mg

    10 mg · $75.00

    checked 6 Nov 2026

    Catalyst Peptides 47% cheaper

  • Retatrutide

    Catalyst Peptides

    $10.00/mg

    30 mg · $300.00

    checked 21 Oct 2026

    Lab Ratz Research

    $9.50/mg

    60 mg · $570.00

    checked 6 Nov 2026

    Lab Ratz Research 5% cheaper

  • Selank

    Catalyst Peptides

    $4.20/mg

    10 mg · $42.00

    checked 21 Oct 2026

    Lab Ratz Research

    $7.73/mg

    11 mg · $85.00

    checked 6 Nov 2026

    Catalyst Peptides 46% cheaper

  • Semaglutide

    Catalyst Peptides

    $7.13/mg

    20 mg · $142.50

    checked 21 Oct 2026

    Lab Ratz Research

    $7.00/mg

    30 mg · $210.00

    checked 6 Nov 2026

    Lab Ratz Research 2% cheaper

  • Semax

    Catalyst Peptides

    $4.20/mg

    10 mg · $42.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.64/mg

    11 mg · $95.00

    checked 6 Nov 2026

    Catalyst Peptides 51% cheaper

  • Sermorelin

    Catalyst Peptides

    $8.40/mg

    10 mg · $84.00

    checked 21 Oct 2026

    Lab Ratz Research

    $9.50/mg

    10 mg · $95.00

    checked 6 Nov 2026

    Catalyst Peptides 12% cheaper

  • SLU-PP-332

    Catalyst Peptides

    $12.00/mg

    5 mg · $60.00

    checked 21 Oct 2026

    Lab Ratz Research

    $17.10/mg

    5 mg · $85.50

    checked 6 Nov 2026

    Catalyst Peptides 30% cheaper

  • SNAP-8

    Catalyst Peptides

    $3.10/mg

    10 mg · $31.00

    checked 21 Oct 2026

    Lab Ratz Research

    $3.23/mg

    100 mg · $323.00

    checked 6 Nov 2026

    Catalyst Peptides 4% cheaper

  • SS-31

    Catalyst Peptides

    $6.30/mg

    10 mg · $63.00

    checked 21 Oct 2026

    Lab Ratz Research

    $6.60/mg

    50 mg · $330.00

    checked 6 Nov 2026

    Catalyst Peptides 5% cheaper

  • Survodutide

    Catalyst Peptides

    $11.00/mg

    10 mg · $110.00

    checked 21 Oct 2026

    Lab Ratz Research

    $18.50/mg

    10 mg · $185.00

    checked 6 Nov 2026

    Catalyst Peptides 41% cheaper

  • TB-500

    Catalyst Peptides

    $6.50/mg

    10 mg · $65.00

    checked 21 Oct 2026

    Lab Ratz Research

    $9.50/mg

    10 mg · $95.00

    checked 6 Nov 2026

    Catalyst Peptides 32% cheaper

  • Tesamorelin

    Catalyst Peptides

    $10.00/mg

    10 mg · $100.00

    checked 21 Oct 2026

    Lab Ratz Research

    $9.75/mg

    20 mg · $195.00

    checked 6 Nov 2026

    Lab Ratz Research 3% cheaper

  • Testagen

    Catalyst Peptides

    $3.85/mg

    20 mg · $77.00

    checked 21 Oct 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 6 Nov 2026

    Catalyst Peptides 42% cheaper

  • Thymalin

    Catalyst Peptides

    $6.00/mg

    10 mg · $60.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.50/mg

    10 mg · $85.00

    checked 6 Nov 2026

    Catalyst Peptides 29% cheaper

  • Thymosin Alpha-1

    Catalyst Peptides

    $7.80/mg

    10 mg · $78.00

    checked 21 Oct 2026

    Lab Ratz Research

    $12.00/mg

    10 mg · $120.00

    checked 6 Nov 2026

    Catalyst Peptides 35% cheaper

  • Tirzepatide

    Catalyst Peptides

    $5.40/mg

    20 mg · $108.00

    checked 21 Oct 2026

    Lab Ratz Research

    $8.75/mg

    80 mg · $700.00

    checked 6 Nov 2026

    Catalyst Peptides 38% cheaper

  • Vilon

    Catalyst Peptides

    $3.00/mg

    20 mg · $60.00

    checked 21 Oct 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 6 Nov 2026

    Catalyst Peptides 55% cheaper

  • VIP

    Catalyst Peptides

    $12.00/mg

    10 mg · $120.00

    checked 21 Oct 2026

    Lab Ratz Research

    $11.50/mg

    10 mg · $115.00

    checked 6 Nov 2026

    Lab Ratz Research 4% 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.