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Vendor comparison

Grey Matters Research vs Lab Ratz Research

Grey Matters Research is cheaper per mg on 47 of the 47 peptides they share.

Across all 47, Grey Matters Research’s price per mg is a median 79% lower than Lab Ratz Research’s.

Grey Matters Research
Listings on the index
56
Cheaper per mg on
47 of 47 shared
Certificates of analysis on file
none yet
Ships from
United States
Latest price check
18 Aug 2026
Lab Ratz Research
Listings on the index
77
Cheaper per mg on
0 of 47 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
4 Nov 2026

Retail 47

Purchases of fewer than 10 vials.

  • Adamax

    Grey Matters Research

    $4.20/mg

    10 mg · $42.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.00/mg

    10 mg · $70.00

    checked 4 Nov 2026

    Grey Matters Research 40% cheaper

  • Adipotide

    Grey Matters Research

    $3.10/mg

    10 mg · $31.00

    checked 18 Aug 2026

    Lab Ratz Research

    $23.00/mg

    5 mg · $115.00

    checked 4 Nov 2026

    Grey Matters Research 87% cheaper

  • AICAR

    Grey Matters Research

    $0.300/mg

    50 mg · $15.00

    checked 18 Aug 2026

    Lab Ratz Research

    $1.52/mg

    100 mg · $152.00

    checked 4 Nov 2026

    Grey Matters Research 80% cheaper

  • AOD-9604

    Grey Matters Research

    $4.00/mg

    5 mg · $20.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.40/mg

    10 mg · $74.00

    checked 4 Nov 2026

    Grey Matters Research 46% cheaper

  • ARA-290

    Grey Matters Research

    $1.19/mg

    16 mg · $19.00

    checked 18 Aug 2026

    Lab Ratz Research

    $14.69/mg

    16 mg · $235.00

    checked 4 Nov 2026

    Grey Matters Research 92% cheaper

  • Cardiogen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Cartalax

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Cerebrolysin

    Grey Matters Research

    $0.533/mg

    30 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    60 mg · $399.00

    checked 4 Nov 2026

    Grey Matters Research 92% cheaper

  • CJC-1295 DAC

    Grey Matters Research

    $4.20/mg

    5 mg · $21.00

    checked 18 Aug 2026

    Lab Ratz Research

    $9.50/mg

    5 mg · $47.50

    checked 4 Nov 2026

    Grey Matters Research 56% cheaper

  • CJC-1295 NO DAC

    Grey Matters Research

    $2.60/mg

    10 mg · $26.00

    checked 18 Aug 2026

    Lab Ratz Research

    $8.07/mg

    10 mg · $80.75

    checked 4 Nov 2026

    Grey Matters Research 68% cheaper

  • Cortagen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • DSIP

    Grey Matters Research

    $1.90/mg

    10 mg · $19.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.20/mg

    15 mg · $108.00

    checked 4 Nov 2026

    Grey Matters Research 74% cheaper

  • Epithalon

    Grey Matters Research

    $1.10/mg

    20 mg · $22.00

    checked 18 Aug 2026

    Lab Ratz Research

    $4.50/mg

    50 mg · $225.00

    checked 4 Nov 2026

    Grey Matters Research 76% cheaper

  • Glutathione

    Grey Matters Research

    $0.012/mg

    1500 mg · $18.00

    checked 18 Aug 2026

    Lab Ratz Research

    $0.080/mg

    1500 mg · $120.00

    checked 4 Nov 2026

    Grey Matters Research 85% cheaper

  • Hexarelin

    Grey Matters Research

    $3.60/mg

    5 mg · $18.00

    checked 18 Aug 2026

    Lab Ratz Research

    $10.80/mg

    5 mg · $54.00

    checked 4 Nov 2026

    Grey Matters Research 67% cheaper

  • Ipamorelin

    Grey Matters Research

    $1.80/mg

    10 mg · $18.00

    checked 18 Aug 2026

    Lab Ratz Research

    $8.00/mg

    10 mg · $80.00

    checked 4 Nov 2026

    Grey Matters Research 78% cheaper

  • Kisspeptin

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $12.00/mg

    10 mg · $120.00

    checked 4 Nov 2026

    Grey Matters Research 87% cheaper

  • KPV

    Grey Matters Research

    $1.07/mg

    30 mg · $32.00

    checked 18 Aug 2026

    Lab Ratz Research

    $8.93/mg

    10 mg · $89.30

    checked 4 Nov 2026

    Grey Matters Research 88% cheaper

  • LL-37

    Grey Matters Research

    $3.60/mg

    5 mg · $18.00

    checked 18 Aug 2026

    Lab Ratz Research

    $11.50/mg

    10 mg · $115.00

    checked 4 Nov 2026

    Grey Matters Research 69% cheaper

  • Mazdutide

    Grey Matters Research

    $3.60/mg

    10 mg · $36.00

    checked 18 Aug 2026

    Lab Ratz Research

    $13.00/mg

    10 mg · $130.00

    checked 4 Nov 2026

    Grey Matters Research 72% cheaper

  • Melanotan 1

    Grey Matters Research

    $1.50/mg

    10 mg · $15.00

    checked 18 Aug 2026

    Lab Ratz Research

    $8.00/mg

    10 mg · $80.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • Melanotan 2

    Grey Matters Research

    $1.40/mg

    10 mg · $14.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.50/mg

    10 mg · $75.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • MOTS-C

    Grey Matters Research

    $1.00/mg

    40 mg · $40.00

    checked 18 Aug 2026

    Lab Ratz Research

    $9.38/mg

    40 mg · $375.00

    checked 4 Nov 2026

    Grey Matters Research 89% cheaper

  • NAD+

    Grey Matters Research

    $0.028/mg

    1000 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $0.145/mg

    1000 mg · $145.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • Ovagen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Oxytocin

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.80/mg

    10 mg · $78.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Pancragen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • PE-22-28

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.00/mg

    10 mg · $70.00

    checked 4 Nov 2026

    Grey Matters Research 77% cheaper

  • PEG-MGF

    Grey Matters Research

    $9.00/mg

    2 mg · $18.00

    checked 18 Aug 2026

    Lab Ratz Research

    $36.00/mg

    2 mg · $72.00

    checked 4 Nov 2026

    Grey Matters Research 75% cheaper

  • Pinealon

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.40/mg

    20 mg · $148.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • Prostamax

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • PT-141

    Grey Matters Research

    $1.50/mg

    10 mg · $15.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.50/mg

    10 mg · $75.00

    checked 4 Nov 2026

    Grey Matters Research 80% cheaper

  • Retatrutide

    Grey Matters Research

    $1.22/mg

    60 mg · $73.00

    checked 18 Aug 2026

    Lab Ratz Research

    $9.50/mg

    60 mg · $570.00

    checked 4 Nov 2026

    Grey Matters Research 87% cheaper

  • Selank

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.73/mg

    11 mg · $85.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Semaglutide

    Grey Matters Research

    $1.70/mg

    10 mg · $17.00

    checked 18 Aug 2026

    Lab Ratz Research

    $7.00/mg

    30 mg · $210.00

    checked 4 Nov 2026

    Grey Matters Research 76% cheaper

  • Semax

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $8.64/mg

    11 mg · $95.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • SNAP-8

    Grey Matters Research

    $1.00/mg

    10 mg · $10.00

    checked 18 Aug 2026

    Lab Ratz Research

    $3.23/mg

    100 mg · $323.00

    checked 4 Nov 2026

    Grey Matters Research 69% cheaper

  • SS-31

    Grey Matters Research

    $1.16/mg

    50 mg · $58.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.60/mg

    50 mg · $330.00

    checked 4 Nov 2026

    Grey Matters Research 82% cheaper

  • Survodutide

    Grey Matters Research

    $3.50/mg

    10 mg · $35.00

    checked 18 Aug 2026

    Lab Ratz Research

    $18.50/mg

    10 mg · $185.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • TB-500

    Grey Matters Research

    $1.80/mg

    10 mg · $18.00

    checked 18 Aug 2026

    Lab Ratz Research

    $9.50/mg

    10 mg · $95.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • Tesamorelin

    Grey Matters Research

    $2.40/mg

    20 mg · $48.00

    checked 18 Aug 2026

    Lab Ratz Research

    $9.75/mg

    20 mg · $195.00

    checked 4 Nov 2026

    Grey Matters Research 75% cheaper

  • Testagen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Thymalin

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Lab Ratz Research

    $8.50/mg

    10 mg · $85.00

    checked 4 Nov 2026

    Grey Matters Research 81% cheaper

  • Thymosin Alpha-1

    Grey Matters Research

    $2.50/mg

    10 mg · $25.00

    checked 18 Aug 2026

    Lab Ratz Research

    $12.00/mg

    10 mg · $120.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Vesugen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • Vilon

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Lab Ratz Research

    $6.65/mg

    20 mg · $133.00

    checked 4 Nov 2026

    Grey Matters Research 79% cheaper

  • VIP

    Grey Matters Research

    $2.20/mg

    10 mg · $22.00

    checked 18 Aug 2026

    Lab Ratz Research

    $11.50/mg

    10 mg · $115.00

    checked 4 Nov 2026

    Grey Matters Research 81% 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.