Skip to content

Vendor comparison

Amino Usa vs Catalyst Peptides

Amino Usa is cheaper per mg on 24 of the 39 peptides they share; Catalyst Peptides on 14, the same price on 1.

Across all 39, Amino Usa’s price per mg is a median 15% lower than Catalyst Peptides’s.

Amino Usa
Listings on the index
57
Cheaper per mg on
24 of 39 shared
Certificates of analysis on file
none yet
Ships from
United States
Latest price check
4 Nov 2026
Catalyst Peptides
Listings on the index
55
Cheaper per mg on
14 of 39 shared
Certificates of analysis on file
none yet
Ships from
not stated
Latest price check
21 Oct 2026

Retail 39

Purchases of fewer than 10 vials.

  • 5-Amino-1MQ

    Amino Usa

    $1.70/mg

    50 mg · $84.99

    checked 4 Nov 2026

    Catalyst Peptides

    $1.50/mg

    50 mg · $75.00

    checked 21 Oct 2026

    Catalyst Peptides 12% cheaper

  • AICAR

    Amino Usa

    $0.900/mg

    50 mg · $45.00

    checked 4 Nov 2026

    Catalyst Peptides

    $1.12/mg

    50 mg · $56.00

    checked 21 Oct 2026

    Amino Usa 20% cheaper

  • AOD-9604

    Amino Usa

    $8.00/mg

    10 mg · $80.00

    checked 4 Nov 2026

    Catalyst Peptides

    $9.60/mg

    10 mg · $96.00

    checked 21 Oct 2026

    Amino Usa 17% cheaper

  • ARA-290

    Amino Usa

    $5.00/mg

    10 mg · $50.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.90/mg

    10 mg · $59.00

    checked 21 Oct 2026

    Amino Usa 15% cheaper

  • BPC-157

    Amino Usa

    $5.67/mg

    15 mg · $85.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.40/mg

    10 mg · $54.00

    checked 21 Oct 2026

    Catalyst Peptides 5% cheaper

  • Cagrilintide

    Amino Usa

    $10.20/mg

    10 mg · $102.00

    checked 4 Nov 2026

    Catalyst Peptides

    $12.60/mg

    10 mg · $126.00

    checked 21 Oct 2026

    Amino Usa 19% cheaper

  • CJC-1295 DAC

    Amino Usa

    $12.50/mg

    2 mg · $25.00

    checked 4 Nov 2026

    Catalyst Peptides

    $14.00/mg

    5 mg · $70.00

    checked 21 Oct 2026

    Amino Usa 11% cheaper

  • DSIP

    Amino Usa

    $9.00/mg

    5 mg · $45.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.20/mg

    10 mg · $52.00

    checked 21 Oct 2026

    Catalyst Peptides 42% cheaper

  • Epithalon

    Amino Usa

    $2.60/mg

    50 mg · $130.00

    checked 4 Nov 2026

    Catalyst Peptides

    $3.15/mg

    10 mg · $31.50

    checked 21 Oct 2026

    Amino Usa 17% cheaper

  • FOXO4-DRI

    Amino Usa

    $23.00/mg

    10 mg · $229.99

    checked 4 Nov 2026

    Catalyst Peptides

    $31.50/mg

    10 mg · $315.00

    checked 21 Oct 2026

    Amino Usa 27% cheaper

  • GHK-Cu

    Amino Usa

    $0.500/mg

    100 mg · $50.00

    checked 4 Nov 2026

    Catalyst Peptides

    $0.700/mg

    100 mg · $70.00

    checked 21 Oct 2026

    Amino Usa 29% cheaper

  • GHRP-2

    Amino Usa

    $4.00/mg

    5 mg · $20.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.00/mg

    10 mg · $50.00

    checked 21 Oct 2026

    Amino Usa 20% cheaper

  • GHRP-6

    Amino Usa

    $3.00/mg

    5 mg · $15.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.00/mg

    10 mg · $50.00

    checked 21 Oct 2026

    Amino Usa 40% cheaper

  • Hexarelin

    Amino Usa

    $9.00/mg

    5 mg · $45.00

    checked 4 Nov 2026

    Catalyst Peptides

    $13.00/mg

    5 mg · $65.00

    checked 21 Oct 2026

    Amino Usa 31% cheaper

  • IGF-1 LR3

    Amino Usa

    $70.00/mg

    1 mg · $70.00

    checked 4 Nov 2026

    Catalyst Peptides

    $75.00/mg

    1 mg · $75.00

    checked 21 Oct 2026

    Amino Usa 7% cheaper

  • Ipamorelin

    Amino Usa

    $5.00/mg

    10 mg · $50.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.60/mg

    10 mg · $56.00

    checked 21 Oct 2026

    Amino Usa 11% cheaper

  • Kisspeptin

    Amino Usa

    $10.00/mg

    10 mg · $100.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.25/mg

    10 mg · $52.50

    checked 21 Oct 2026

    Catalyst Peptides 48% cheaper

  • KPV

    Amino Usa

    $5.00/mg

    10 mg · $50.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.50/mg

    10 mg · $45.00

    checked 21 Oct 2026

    Catalyst Peptides 10% cheaper

  • LL-37

    Amino Usa

    $16.00/mg

    5 mg · $80.00

    checked 4 Nov 2026

    Catalyst Peptides

    $11.40/mg

    5 mg · $57.00

    checked 21 Oct 2026

    Catalyst Peptides 29% cheaper

  • Melanotan 1

    Amino Usa

    $3.00/mg

    10 mg · $30.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.50/mg

    10 mg · $45.00

    checked 21 Oct 2026

    Amino Usa 33% cheaper

  • Melanotan 2

    Amino Usa

    $3.00/mg

    10 mg · $30.00

    checked 4 Nov 2026

    Catalyst Peptides

    $3.80/mg

    10 mg · $38.00

    checked 21 Oct 2026

    Amino Usa 21% cheaper

  • MOTS-C

    Amino Usa

    $3.50/mg

    40 mg · $140.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.20/mg

    10 mg · $42.00

    checked 21 Oct 2026

    Amino Usa 17% cheaper

  • NAD+

    Amino Usa

    $0.230/mg

    1000 mg · $230.00

    checked 4 Nov 2026

    Catalyst Peptides

    $0.087/mg

    1000 mg · $87.50

    checked 21 Oct 2026

    Catalyst Peptides 62% cheaper

  • Oxytocin

    Amino Usa

    $7.00/mg

    5 mg · $35.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.50/mg

    10 mg · $45.00

    checked 21 Oct 2026

    Catalyst Peptides 36% cheaper

  • PE-22-28

    Amino Usa

    $5.00/mg

    10 mg · $50.00

    checked 4 Nov 2026

    Catalyst Peptides

    $5.00/mg

    10 mg · $50.00

    checked 21 Oct 2026

    Same price

  • Pinealon

    Amino Usa

    $2.38/mg

    20 mg · $47.50

    checked 4 Nov 2026

    Catalyst Peptides

    $6.50/mg

    10 mg · $65.00

    checked 21 Oct 2026

    Amino Usa 63% cheaper

  • PNC-27

    Amino Usa

    $15.00/mg

    10 mg · $149.99

    checked 4 Nov 2026

    Catalyst Peptides

    $7.20/mg

    10 mg · $72.00

    checked 21 Oct 2026

    Catalyst Peptides 52% cheaper

  • PT-141

    Amino Usa

    $4.50/mg

    10 mg · $45.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.00/mg

    10 mg · $40.00

    checked 21 Oct 2026

    Catalyst Peptides 11% cheaper

  • Selank

    Amino Usa

    $5.00/mg

    10 mg · $50.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.20/mg

    10 mg · $42.00

    checked 21 Oct 2026

    Catalyst Peptides 16% cheaper

  • Semax

    Amino Usa

    $2.50/mg

    30 mg · $75.00

    checked 4 Nov 2026

    Catalyst Peptides

    $4.20/mg

    10 mg · $42.00

    checked 21 Oct 2026

    Amino Usa 40% cheaper

  • Sermorelin

    Amino Usa

    $6.67/mg

    15 mg · $100.00

    checked 4 Nov 2026

    Catalyst Peptides

    $8.40/mg

    10 mg · $84.00

    checked 21 Oct 2026

    Amino Usa 21% cheaper

  • SNAP-8

    Amino Usa

    $3.50/mg

    10 mg · $35.00

    checked 4 Nov 2026

    Catalyst Peptides

    $3.10/mg

    10 mg · $31.00

    checked 21 Oct 2026

    Catalyst Peptides 11% cheaper

  • TB-500

    Amino Usa

    $8.00/mg

    5 mg · $40.00

    checked 4 Nov 2026

    Catalyst Peptides

    $6.50/mg

    10 mg · $65.00

    checked 21 Oct 2026

    Catalyst Peptides 19% cheaper

  • Tesamorelin

    Amino Usa

    $9.00/mg

    10 mg · $90.00

    checked 4 Nov 2026

    Catalyst Peptides

    $10.00/mg

    10 mg · $100.00

    checked 21 Oct 2026

    Amino Usa 10% cheaper

  • Testagen

    Amino Usa

    $2.25/mg

    20 mg · $45.00

    checked 4 Nov 2026

    Catalyst Peptides

    $3.85/mg

    20 mg · $77.00

    checked 21 Oct 2026

    Amino Usa 42% cheaper

  • Thymalin

    Amino Usa

    $2.00/mg

    20 mg · $39.99

    checked 4 Nov 2026

    Catalyst Peptides

    $6.00/mg

    10 mg · $60.00

    checked 21 Oct 2026

    Amino Usa 67% cheaper

  • Thymosin Alpha-1

    Amino Usa

    $12.00/mg

    5 mg · $60.00

    checked 4 Nov 2026

    Catalyst Peptides

    $7.80/mg

    10 mg · $78.00

    checked 21 Oct 2026

    Catalyst Peptides 35% cheaper

  • Vilon

    Amino Usa

    $2.00/mg

    20 mg · $40.00

    checked 4 Nov 2026

    Catalyst Peptides

    $3.00/mg

    20 mg · $60.00

    checked 21 Oct 2026

    Amino Usa 33% cheaper

  • VIP

    Amino Usa

    $9.60/mg

    5 mg · $48.00

    checked 4 Nov 2026

    Catalyst Peptides

    $12.00/mg

    10 mg · $120.00

    checked 21 Oct 2026

    Amino Usa 20% 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.