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Vendor comparison

Grey Matters Research vs Huaian Hanyou Peptide

Grey Matters Research is cheaper per mg on 51 of the 52 peptides they share; Huaian Hanyou Peptide on 1.

Across all 52, Grey Matters Research’s price per mg is a median 73% lower than Huaian Hanyou Peptide’s.

Grey Matters Research
Listings on the index
56
Cheaper per mg on
51 of 52 shared
Certificates of analysis on file
none yet
Ships from
United States
Latest price check
18 Aug 2026
Huaian Hanyou Peptide
Listings on the index
91
Cheaper per mg on
1 of 52 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
19 Oct 2026

Retail 52

Purchases of fewer than 10 vials.

  • Adipotide

    Grey Matters Research

    $3.10/mg

    10 mg · $31.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $11.00/mg

    10 mg · $110.00

    checked 19 Oct 2026

    Grey Matters Research 72% cheaper

  • AHK-Cu

    Grey Matters Research

    $0.170/mg

    100 mg · $17.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $0.975/mg

    200 mg · $195.00

    checked 19 Oct 2026

    Grey Matters Research 83% cheaper

  • AICAR

    Grey Matters Research

    $0.300/mg

    50 mg · $15.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $1.00/mg

    50 mg · $50.00

    checked 19 Oct 2026

    Grey Matters Research 70% cheaper

  • AOD-9604

    Grey Matters Research

    $4.00/mg

    5 mg · $20.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $15.00/mg

    10 mg · $150.00

    checked 19 Oct 2026

    Grey Matters Research 73% cheaper

  • ARA-290

    Grey Matters Research

    $1.19/mg

    16 mg · $19.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $5.00/mg

    16 mg · $80.00

    checked 19 Oct 2026

    Grey Matters Research 76% cheaper

  • Cardiogen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.25/mg

    20 mg · $65.00

    checked 19 Oct 2026

    Grey Matters Research 57% cheaper

  • Cartalax

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $2.50/mg

    20 mg · $50.00

    checked 19 Oct 2026

    Grey Matters Research 44% cheaper

  • Cerebrolysin

    Grey Matters Research

    $0.533/mg

    30 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $0.667/mg

    60 mg · $40.00

    checked 19 Oct 2026

    Grey Matters Research 20% cheaper

  • CJC-1295 DAC

    Grey Matters Research

    $4.20/mg

    5 mg · $21.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $25.00/mg

    5 mg · $125.00

    checked 19 Oct 2026

    Grey Matters Research 83% cheaper

  • CJC-1295 NO DAC

    Grey Matters Research

    $2.60/mg

    10 mg · $26.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $12.50/mg

    10 mg · $125.00

    checked 19 Oct 2026

    Grey Matters Research 79% cheaper

  • Cortagen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $2.50/mg

    20 mg · $50.00

    checked 19 Oct 2026

    Grey Matters Research 44% cheaper

  • DSIP

    Grey Matters Research

    $1.90/mg

    10 mg · $19.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $7.00/mg

    5 mg · $35.00

    checked 19 Oct 2026

    Grey Matters Research 73% cheaper

  • Epithalon

    Grey Matters Research

    $1.10/mg

    20 mg · $22.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.00/mg

    25 mg · $75.00

    checked 19 Oct 2026

    Grey Matters Research 63% cheaper

  • GHK Basic

    Grey Matters Research

    $0.180/mg

    100 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $0.900/mg

    50 mg · $45.00

    checked 19 Oct 2026

    Grey Matters Research 80% cheaper

  • Glutathione

    Grey Matters Research

    $0.012/mg

    1500 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $0.063/mg

    1500 mg · $95.00

    checked 19 Oct 2026

    Grey Matters Research 81% cheaper

  • Hexarelin

    Grey Matters Research

    $3.60/mg

    5 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $8.00/mg

    5 mg · $40.00

    checked 19 Oct 2026

    Grey Matters Research 55% cheaper

  • Humanin

    Grey Matters Research

    $2.80/mg

    10 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $13.70/mg

    10 mg · $137.00

    checked 19 Oct 2026

    Grey Matters Research 80% cheaper

  • IGF-1 LR3

    Grey Matters Research

    $34.00/mg

    1 mg · $34.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $145.00/mg

    1 mg · $145.00

    checked 19 Oct 2026

    Grey Matters Research 77% cheaper

  • Ipamorelin

    Grey Matters Research

    $1.80/mg

    10 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $9.00/mg

    5 mg · $45.00

    checked 19 Oct 2026

    Grey Matters Research 80% cheaper

  • Kisspeptin

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $5.50/mg

    10 mg · $55.00

    checked 19 Oct 2026

    Grey Matters Research 71% cheaper

  • KPV

    Grey Matters Research

    $1.07/mg

    30 mg · $32.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $8.75/mg

    4 mg · $35.00

    checked 19 Oct 2026

    Grey Matters Research 88% cheaper

  • LL-37

    Grey Matters Research

    $3.60/mg

    5 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $15.60/mg

    5 mg · $78.00

    checked 19 Oct 2026

    Grey Matters Research 77% cheaper

  • Mazdutide

    Grey Matters Research

    $3.60/mg

    10 mg · $36.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $18.00/mg

    10 mg · $180.00

    checked 19 Oct 2026

    Grey Matters Research 80% cheaper

  • Melanotan 1

    Grey Matters Research

    $1.50/mg

    10 mg · $15.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $4.10/mg

    10 mg · $41.00

    checked 19 Oct 2026

    Grey Matters Research 63% cheaper

  • Melanotan 2

    Grey Matters Research

    $1.40/mg

    10 mg · $14.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.50/mg

    10 mg · $35.00

    checked 19 Oct 2026

    Grey Matters Research 60% cheaper

  • MOTS-C

    Grey Matters Research

    $1.00/mg

    40 mg · $40.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $5.38/mg

    40 mg · $215.00

    checked 19 Oct 2026

    Grey Matters Research 81% cheaper

  • N-Acetyl Selank

    Grey Matters Research

    $1.80/mg

    10 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $7.80/mg

    10 mg · $78.00

    checked 19 Oct 2026

    Grey Matters Research 77% cheaper

  • N-Acetyl Semax

    Grey Matters Research

    $1.80/mg

    10 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $2.20/mg

    25 mg · $55.00

    checked 19 Oct 2026

    Grey Matters Research 18% cheaper

  • NAD+

    Grey Matters Research

    $0.028/mg

    1000 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $0.155/mg

    1000 mg · $155.00

    checked 19 Oct 2026

    Grey Matters Research 82% cheaper

  • Ovagen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.05/mg

    20 mg · $61.00

    checked 19 Oct 2026

    Grey Matters Research 54% cheaper

  • Oxytocin

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $9.00/mg

    10 mg · $90.00

    checked 19 Oct 2026

    Grey Matters Research 82% cheaper

  • Pancragen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $2.75/mg

    20 mg · $55.00

    checked 19 Oct 2026

    Grey Matters Research 49% cheaper

  • PE-22-28

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $6.25/mg

    8 mg · $50.00

    checked 19 Oct 2026

    Grey Matters Research 74% cheaper

  • PEG-MGF

    Grey Matters Research

    $9.00/mg

    2 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $12.00/mg

    5 mg · $60.00

    checked 19 Oct 2026

    Grey Matters Research 25% cheaper

  • Pinealon

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.30/mg

    20 mg · $66.00

    checked 19 Oct 2026

    Grey Matters Research 58% cheaper

  • Prostamax

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.00/mg

    20 mg · $60.00

    checked 19 Oct 2026

    Grey Matters Research 53% cheaper

  • PT-141

    Grey Matters Research

    $1.50/mg

    10 mg · $15.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.80/mg

    10 mg · $38.00

    checked 29 Aug 2026

    Grey Matters Research 61% cheaper

  • Retatrutide

    Grey Matters Research

    $1.22/mg

    60 mg · $73.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $5.17/mg

    60 mg · $310.00

    checked 19 Oct 2026

    Grey Matters Research 76% cheaper

  • Selank

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $6.00/mg

    10 mg · $60.00

    checked 19 Oct 2026

    Grey Matters Research 73% cheaper

  • Semax

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $7.50/mg

    10 mg · $75.00

    checked 19 Oct 2026

    Grey Matters Research 79% cheaper

  • SNAP-8

    Grey Matters Research

    $1.00/mg

    10 mg · $10.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $0.845/mg

    200 mg · $169.00

    checked 19 Oct 2026

    Huaian Hanyou Peptide 16% cheaper

  • SS-31

    Grey Matters Research

    $1.16/mg

    50 mg · $58.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $6.10/mg

    50 mg · $305.00

    checked 19 Oct 2026

    Grey Matters Research 81% cheaper

  • TB-500

    Grey Matters Research

    $1.80/mg

    10 mg · $18.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $15.20/mg

    5 mg · $76.00

    checked 19 Oct 2026

    Grey Matters Research 88% cheaper

  • Tesamorelin

    Grey Matters Research

    $2.40/mg

    20 mg · $48.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $11.50/mg

    20 mg · $230.00

    checked 19 Oct 2026

    Grey Matters Research 79% cheaper

  • Testagen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.00/mg

    20 mg · $60.00

    checked 19 Oct 2026

    Grey Matters Research 53% cheaper

  • Thymalin

    Grey Matters Research

    $1.60/mg

    10 mg · $16.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $5.20/mg

    25 mg · $130.00

    checked 19 Oct 2026

    Grey Matters Research 69% cheaper

  • Thymogen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.65/mg

    20 mg · $73.00

    checked 19 Oct 2026

    Grey Matters Research 62% cheaper

  • Thymosin Alpha-1

    Grey Matters Research

    $2.50/mg

    10 mg · $25.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $16.20/mg

    5 mg · $81.00

    checked 19 Oct 2026

    Grey Matters Research 85% cheaper

  • Vesilute

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.20/mg

    20 mg · $64.00

    checked 19 Oct 2026

    Grey Matters Research 56% cheaper

  • Vesugen

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.00/mg

    20 mg · $60.00

    checked 19 Oct 2026

    Grey Matters Research 53% cheaper

  • Vilon

    Grey Matters Research

    $1.40/mg

    20 mg · $28.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $3.60/mg

    20 mg · $72.00

    checked 19 Oct 2026

    Grey Matters Research 61% cheaper

  • VIP

    Grey Matters Research

    $2.20/mg

    10 mg · $22.00

    checked 18 Aug 2026

    Huaian Hanyou Peptide

    $10.33/mg

    6 mg · $62.00

    checked 19 Oct 2026

    Grey Matters Research 79% 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.