Skip to content

Vendor comparison

Core Peptides vs Research1peptides

Research1peptides is cheaper per mg on 46 of the 49 peptides they share; Core Peptides on 3.

Across all 49, Research1peptides’s price per mg is a median 52% lower than Core Peptides’s.

Core Peptides
Listings on the index
81
Cheaper per mg on
3 of 49 shared
Certificates of analysis on file
none yet
Ships from
United States
Latest price check
6 Nov 2026
Research1peptides
Listings on the index
64
Cheaper per mg on
46 of 49 shared
Certificates of analysis on file
none yet
Ships from
United States
Latest price check
4 Nov 2026

Retail 49

Purchases of fewer than 10 vials.

  • Adipotide

    Core Peptides

    $7.80/mg

    10 mg · $78.00

    checked 6 Nov 2026

    Research1peptides

    $10.00/mg

    5 mg · $50.00

    checked 4 Nov 2026

    Core Peptides 22% cheaper

  • AHK-Cu

    Core Peptides

    $1.01/mg

    200 mg · $203.00

    checked 6 Nov 2026

    Research1peptides

    $0.320/mg

    100 mg · $32.00

    checked 4 Nov 2026

    Research1peptides 68% cheaper

  • AOD-9604

    Core Peptides

    $8.20/mg

    5 mg · $41.00

    checked 6 Nov 2026

    Research1peptides

    $5.80/mg

    5 mg · $29.00

    checked 4 Nov 2026

    Research1peptides 29% cheaper

  • ARA-290

    Core Peptides

    $5.75/mg

    16 mg · $92.00

    checked 6 Nov 2026

    Research1peptides

    $2.70/mg

    10 mg · $27.00

    checked 4 Nov 2026

    Research1peptides 53% cheaper

  • BPC-157

    Core Peptides

    $9.70/mg

    10 mg · $97.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 79% cheaper

  • Cardiogen

    Core Peptides

    $3.75/mg

    20 mg · $75.00

    checked 6 Nov 2026

    Research1peptides

    $1.75/mg

    20 mg · $35.00

    checked 4 Nov 2026

    Research1peptides 53% cheaper

  • Cartalax

    Core Peptides

    $3.15/mg

    20 mg · $63.00

    checked 6 Nov 2026

    Research1peptides

    $1.50/mg

    20 mg · $30.00

    checked 4 Nov 2026

    Research1peptides 52% cheaper

  • Chonluten

    Core Peptides

    $2.55/mg

    20 mg · $51.00

    checked 6 Nov 2026

    Research1peptides

    $1.75/mg

    20 mg · $35.00

    checked 4 Nov 2026

    Research1peptides 31% cheaper

  • CJC-1295 DAC

    Core Peptides

    $10.40/mg

    5 mg · $52.00

    checked 6 Nov 2026

    Research1peptides

    $6.00/mg

    5 mg · $30.00

    checked 4 Nov 2026

    Research1peptides 42% cheaper

  • CJC-1295 NO DAC

    Core Peptides

    $8.20/mg

    5 mg · $41.00

    checked 6 Nov 2026

    Research1peptides

    $3.50/mg

    10 mg · $35.00

    checked 4 Nov 2026

    Research1peptides 57% cheaper

  • Cortagen

    Core Peptides

    $2.95/mg

    20 mg · $59.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 32% cheaper

  • DSIP

    Core Peptides

    $8.20/mg

    5 mg · $41.00

    checked 6 Nov 2026

    Research1peptides

    $2.70/mg

    10 mg · $27.00

    checked 4 Nov 2026

    Research1peptides 67% cheaper

  • Epithalon

    Core Peptides

    $3.60/mg

    25 mg · $90.00

    checked 6 Nov 2026

    Research1peptides

    $1.30/mg

    50 mg · $65.00

    checked 4 Nov 2026

    Research1peptides 64% cheaper

  • GHK-Cu

    Core Peptides

    $0.985/mg

    200 mg · $197.00

    checked 6 Nov 2026

    Research1peptides

    $0.260/mg

    100 mg · $26.00

    checked 4 Nov 2026

    Research1peptides 74% cheaper

  • GHRP-2

    Core Peptides

    $2.90/mg

    10 mg · $29.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    10 mg · $20.00

    checked 4 Nov 2026

    Research1peptides 31% cheaper

  • GHRP-6

    Core Peptides

    $2.90/mg

    10 mg · $29.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    10 mg · $20.00

    checked 4 Nov 2026

    Research1peptides 31% cheaper

  • Hexarelin

    Core Peptides

    $9.40/mg

    5 mg · $47.00

    checked 6 Nov 2026

    Research1peptides

    $4.50/mg

    10 mg · $45.00

    checked 4 Nov 2026

    Research1peptides 52% cheaper

  • hGH Fragment 176-191

    Core Peptides

    $8.80/mg

    5 mg · $44.00

    checked 6 Nov 2026

    Research1peptides

    $5.00/mg

    5 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 43% cheaper

  • IGF-1 LR3

    Core Peptides

    $150.00/mg

    1 mg · $150.00

    checked 6 Nov 2026

    Research1peptides

    $45.00/mg

    1 mg · $45.00

    checked 4 Nov 2026

    Research1peptides 70% cheaper

  • Ipamorelin

    Core Peptides

    $8.60/mg

    5 mg · $43.00

    checked 6 Nov 2026

    Research1peptides

    $2.50/mg

    10 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 71% cheaper

  • Kisspeptin

    Core Peptides

    $6.30/mg

    10 mg · $63.00

    checked 6 Nov 2026

    Research1peptides

    $2.50/mg

    10 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 60% cheaper

  • KPV

    Core Peptides

    $9.50/mg

    4 mg · $38.00

    checked 6 Nov 2026

    Research1peptides

    $2.50/mg

    10 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 74% cheaper

  • Livagen

    Core Peptides

    $3.65/mg

    20 mg · $73.00

    checked 6 Nov 2026

    Research1peptides

    $1.75/mg

    20 mg · $35.00

    checked 4 Nov 2026

    Research1peptides 52% cheaper

  • LL-37

    Core Peptides

    $17.80/mg

    5 mg · $89.00

    checked 6 Nov 2026

    Research1peptides

    $7.00/mg

    5 mg · $35.00

    checked 4 Nov 2026

    Research1peptides 61% cheaper

  • Melanotan 1

    Core Peptides

    $4.30/mg

    10 mg · $43.00

    checked 6 Nov 2026

    Research1peptides

    $2.50/mg

    10 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 42% cheaper

  • MGF

    Core Peptides

    $10.00/mg

    5 mg · $50.00

    checked 6 Nov 2026

    Research1peptides

    $12.00/mg

    2 mg · $24.00

    checked 4 Nov 2026

    Core Peptides 17% cheaper

  • MOTS-C

    Core Peptides

    $11.60/mg

    10 mg · $116.00

    checked 6 Nov 2026

    Research1peptides

    $1.38/mg

    40 mg · $55.00

    checked 4 Nov 2026

    Research1peptides 88% cheaper

  • N-Acetyl Selank

    Core Peptides

    $7.10/mg

    10 mg · $71.00

    checked 6 Nov 2026

    Research1peptides

    $3.00/mg

    10 mg · $30.00

    checked 4 Nov 2026

    Research1peptides 58% cheaper

  • N-Acetyl Semax

    Core Peptides

    $2.40/mg

    25 mg · $60.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    30 mg · $60.00

    checked 4 Nov 2026

    Research1peptides 17% cheaper

  • NAD+

    Core Peptides

    $0.389/mg

    750 mg · $292.00

    checked 6 Nov 2026

    Research1peptides

    $0.045/mg

    1000 mg · $45.00

    checked 4 Nov 2026

    Research1peptides 88% cheaper

  • Ovagen

    Core Peptides

    $3.10/mg

    20 mg · $62.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 35% cheaper

  • Oxytocin

    Core Peptides

    $5.20/mg

    10 mg · $52.00

    checked 6 Nov 2026

    Research1peptides

    $4.40/mg

    5 mg · $22.00

    checked 4 Nov 2026

    Research1peptides 15% cheaper

  • P21

    Core Peptides

    $23.20/mg

    5 mg · $116.00

    checked 6 Nov 2026

    Research1peptides

    $5.50/mg

    20 mg · $110.00

    checked 4 Nov 2026

    Research1peptides 76% cheaper

  • PE-22-28

    Core Peptides

    $6.75/mg

    8 mg · $54.00

    checked 6 Nov 2026

    Research1peptides

    $3.00/mg

    10 mg · $30.00

    checked 4 Nov 2026

    Research1peptides 56% cheaper

  • PNC-27

    Core Peptides

    $27.60/mg

    5 mg · $138.00

    checked 6 Nov 2026

    Research1peptides

    $4.00/mg

    20 mg · $80.00

    checked 4 Nov 2026

    Research1peptides 86% cheaper

  • Prostamax

    Core Peptides

    $3.15/mg

    20 mg · $63.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 37% cheaper

  • PT-141

    Core Peptides

    $4.30/mg

    10 mg · $43.00

    checked 6 Nov 2026

    Research1peptides

    $2.40/mg

    10 mg · $24.00

    checked 4 Nov 2026

    Research1peptides 44% cheaper

  • Selank

    Core Peptides

    $5.20/mg

    10 mg · $52.00

    checked 6 Nov 2026

    Research1peptides

    $2.50/mg

    10 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 52% cheaper

  • Semax

    Core Peptides

    $2.52/mg

    25 mg · $63.00

    checked 6 Nov 2026

    Research1peptides

    $2.50/mg

    10 mg · $25.00

    checked 4 Nov 2026

    Research1peptides 1% cheaper

  • Sermorelin

    Core Peptides

    $9.60/mg

    5 mg · $48.00

    checked 6 Nov 2026

    Research1peptides

    $4.50/mg

    10 mg · $45.00

    checked 4 Nov 2026

    Research1peptides 53% cheaper

  • SNAP-8

    Core Peptides

    $0.880/mg

    200 mg · $176.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    10 mg · $20.00

    checked 4 Nov 2026

    Core Peptides 56% cheaper

  • TB-500

    Core Peptides

    $14.00/mg

    10 mg · $140.00

    checked 6 Nov 2026

    Research1peptides

    $3.90/mg

    10 mg · $39.00

    checked 4 Nov 2026

    Research1peptides 72% cheaper

  • Tesamorelin

    Core Peptides

    $7.90/mg

    10 mg · $79.00

    checked 6 Nov 2026

    Research1peptides

    $3.83/mg

    30 mg · $115.00

    checked 4 Nov 2026

    Research1peptides 51% cheaper

  • Testagen

    Core Peptides

    $3.15/mg

    20 mg · $63.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 37% cheaper

  • Thymalin

    Core Peptides

    $5.52/mg

    25 mg · $138.00

    checked 6 Nov 2026

    Research1peptides

    $1.75/mg

    20 mg · $35.00

    checked 4 Nov 2026

    Research1peptides 68% cheaper

  • Thymogen

    Core Peptides

    $3.90/mg

    20 mg · $78.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 49% cheaper

  • Thymosin Alpha-1

    Core Peptides

    $14.90/mg

    10 mg · $149.00

    checked 6 Nov 2026

    Research1peptides

    $4.29/mg

    7 mg · $30.00

    checked 4 Nov 2026

    Research1peptides 71% cheaper

  • Vesugen

    Core Peptides

    $3.15/mg

    20 mg · $63.00

    checked 6 Nov 2026

    Research1peptides

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 37% cheaper

  • VIP

    Core Peptides

    $10.67/mg

    6 mg · $64.00

    checked 6 Nov 2026

    Research1peptides

    $4.00/mg

    10 mg · $40.00

    checked 4 Nov 2026

    Research1peptides 63% 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.