Vendor comparison
Catalyst Peptides vs Priority Peptides
Priority Peptides is cheaper per mg on 30 of the 39 peptides they share; Catalyst Peptides on 9.
Across all 39, Priority Peptides’s price per mg is a median 11% lower than Catalyst Peptides’s.
- Listings on the index
- 55
- Cheaper per mg on
- 9 of 39 shared
- Certificates of analysis on file
- none yet
- Ships from
- not stated
- Latest price check
- 21 Oct 2026
- Listings on the index
- 60
- Cheaper per mg on
- 30 of 39 shared
- Certificates of analysis on file
- none yet
- Ships from
- not stated
- Latest price check
- 5 Nov 2026
Retail 39
Purchases of fewer than 10 vials.
- 5-Amino-1MQ
Catalyst Peptides
$1.50/mg
50 mg · $75.00
checked 21 Oct 2026
Priority Peptides
$1.50/mg
50 mg · $74.99
checked 5 Nov 2026
Priority Peptides under 1% cheaper
- AOD-9604
Catalyst Peptides
$9.60/mg
10 mg · $96.00
checked 21 Oct 2026
Priority Peptides
$6.50/mg
10 mg · $64.99
checked 5 Nov 2026
Priority Peptides 32% cheaper
- ARA-290
Catalyst Peptides
$5.90/mg
10 mg · $59.00
checked 21 Oct 2026
Priority Peptides
$3.67/mg
30 mg · $109.99
checked 5 Nov 2026
Priority Peptides 38% cheaper
- BPC-157
Catalyst Peptides
$5.40/mg
10 mg · $54.00
checked 21 Oct 2026
Priority Peptides
$4.50/mg
20 mg · $89.99
checked 5 Nov 2026
Priority Peptides 17% cheaper
- Cagrilintide
Catalyst Peptides
$12.60/mg
10 mg · $126.00
checked 21 Oct 2026
Priority Peptides
$7.00/mg
5 mg · $34.99
checked 5 Nov 2026
Priority Peptides 44% cheaper
- DSIP
Catalyst Peptides
$5.20/mg
10 mg · $52.00
checked 21 Oct 2026
Priority Peptides
$5.00/mg
10 mg · $49.99
checked 5 Nov 2026
Priority Peptides 4% cheaper
- Epithalon
Catalyst Peptides
$3.15/mg
10 mg · $31.50
checked 21 Oct 2026
Priority Peptides
$2.00/mg
50 mg · $99.99
checked 5 Nov 2026
Priority Peptides 37% cheaper
- GHK-Cu
Catalyst Peptides
$0.700/mg
100 mg · $70.00
checked 21 Oct 2026
Priority Peptides
$0.650/mg
100 mg · $64.99
checked 5 Nov 2026
Priority Peptides 7% cheaper
- GHRP-2
Catalyst Peptides
$5.00/mg
10 mg · $50.00
checked 21 Oct 2026
Priority Peptides
$5.00/mg
10 mg · $49.99
checked 5 Nov 2026
Priority Peptides under 1% cheaper
- GHRP-6
Catalyst Peptides
$5.00/mg
10 mg · $50.00
checked 21 Oct 2026
Priority Peptides
$5.00/mg
10 mg · $49.99
checked 5 Nov 2026
Priority Peptides under 1% cheaper
- GLOW
Catalyst Peptides
$1.54/mg
70 mg · $108.00
checked 21 Oct 2026
Priority Peptides
$1.43/mg
70 mg · $99.99
checked 5 Nov 2026
Priority Peptides 7% cheaper
- Glutathione
Catalyst Peptides
$0.051/mg
1500 mg · $77.00
checked 21 Oct 2026
Priority Peptides
$0.046/mg
1200 mg · $54.99
checked 5 Nov 2026
Priority Peptides 11% cheaper
- Hexarelin
Catalyst Peptides
$13.00/mg
5 mg · $65.00
checked 21 Oct 2026
Priority Peptides
$8.00/mg
5 mg · $39.99
checked 5 Nov 2026
Priority Peptides 38% cheaper
- Ipamorelin
Catalyst Peptides
$5.60/mg
10 mg · $56.00
checked 21 Oct 2026
Priority Peptides
$5.00/mg
10 mg · $49.99
checked 5 Nov 2026
Priority Peptides 11% cheaper
- Kisspeptin
Catalyst Peptides
$5.25/mg
10 mg · $52.50
checked 21 Oct 2026
Priority Peptides
$5.50/mg
10 mg · $54.99
checked 5 Nov 2026
Catalyst Peptides 5% cheaper
- KLOW
Catalyst Peptides
$1.75/mg
80 mg · $140.00
checked 21 Oct 2026
Priority Peptides
$1.56/mg
80 mg · $124.99
checked 5 Nov 2026
Priority Peptides 11% cheaper
- KPV
Catalyst Peptides
$4.50/mg
10 mg · $45.00
checked 21 Oct 2026
Priority Peptides
$3.33/mg
30 mg · $99.99
checked 5 Nov 2026
Priority Peptides 26% cheaper
- LL-37
Catalyst Peptides
$11.40/mg
5 mg · $57.00
checked 21 Oct 2026
Priority Peptides
$15.00/mg
5 mg · $74.99
checked 5 Nov 2026
Catalyst Peptides 24% cheaper
- Melanotan 1
Catalyst Peptides
$4.50/mg
10 mg · $45.00
checked 21 Oct 2026
Priority Peptides
$4.00/mg
10 mg · $39.99
checked 5 Nov 2026
Priority Peptides 11% cheaper
- Melanotan 2
Catalyst Peptides
$3.80/mg
10 mg · $38.00
checked 21 Oct 2026
Priority Peptides
$4.00/mg
10 mg · $39.99
checked 5 Nov 2026
Catalyst Peptides 5% cheaper
- MOTS-C
Catalyst Peptides
$4.20/mg
10 mg · $42.00
checked 21 Oct 2026
Priority Peptides
$3.75/mg
40 mg · $149.99
checked 5 Nov 2026
Priority Peptides 11% cheaper
- NAD+
Catalyst Peptides
$0.087/mg
1000 mg · $87.50
checked 21 Oct 2026
Priority Peptides
$0.111/mg
1000 mg · $110.99
checked 5 Nov 2026
Catalyst Peptides 21% cheaper
- Oxytocin
Catalyst Peptides
$4.50/mg
10 mg · $45.00
checked 21 Oct 2026
Priority Peptides
$9.99/mg
2 mg · $19.99
checked 5 Nov 2026
Catalyst Peptides 55% cheaper
- PE-22-28
Catalyst Peptides
$5.00/mg
10 mg · $50.00
checked 21 Oct 2026
Priority Peptides
$5.50/mg
10 mg · $54.99
checked 5 Nov 2026
Catalyst Peptides 9% cheaper
- PEG-MGF
Catalyst Peptides
$24.00/mg
2 mg · $48.00
checked 21 Oct 2026
Priority Peptides
$22.50/mg
2 mg · $44.99
checked 5 Nov 2026
Priority Peptides 6% cheaper
- Pinealon
Catalyst Peptides
$6.50/mg
10 mg · $65.00
checked 21 Oct 2026
Priority Peptides
$3.00/mg
10 mg · $29.99
checked 5 Nov 2026
Priority Peptides 54% cheaper
- Retatrutide
Catalyst Peptides
$10.00/mg
30 mg · $300.00
checked 21 Oct 2026
Priority Peptides
$5.50/mg
50 mg · $275.00
checked 5 Nov 2026
Priority Peptides 45% cheaper
- Selank
Catalyst Peptides
$4.20/mg
10 mg · $42.00
checked 21 Oct 2026
Priority Peptides
$4.00/mg
10 mg · $39.99
checked 5 Nov 2026
Priority Peptides 5% cheaper
- Semaglutide
Catalyst Peptides
$7.13/mg
20 mg · $142.50
checked 21 Oct 2026
Priority Peptides
$11.30/mg
20 mg · $225.99
checked 5 Nov 2026
Catalyst Peptides 37% cheaper
- Sermorelin
Catalyst Peptides
$8.40/mg
10 mg · $84.00
checked 21 Oct 2026
Priority Peptides
$10.60/mg
10 mg · $105.99
checked 5 Nov 2026
Catalyst Peptides 21% cheaper
- SNAP-8
Catalyst Peptides
$3.10/mg
10 mg · $31.00
checked 21 Oct 2026
Priority Peptides
$3.50/mg
10 mg · $34.99
checked 5 Nov 2026
Catalyst Peptides 11% cheaper
- SS-31
Catalyst Peptides
$6.30/mg
10 mg · $63.00
checked 21 Oct 2026
Priority Peptides
$2.80/mg
50 mg · $139.99
checked 5 Nov 2026
Priority Peptides 56% cheaper
- TB-500
Catalyst Peptides
$6.50/mg
10 mg · $65.00
checked 21 Oct 2026
Priority Peptides
$5.00/mg
10 mg · $49.99
checked 5 Nov 2026
Priority Peptides 23% cheaper
- Tesamorelin
Catalyst Peptides
$10.00/mg
10 mg · $100.00
checked 21 Oct 2026
Priority Peptides
$6.25/mg
20 mg · $124.99
checked 5 Nov 2026
Priority Peptides 38% cheaper
- Testagen
Catalyst Peptides
$3.85/mg
20 mg · $77.00
checked 21 Oct 2026
Priority Peptides
$3.00/mg
20 mg · $59.99
checked 5 Nov 2026
Priority Peptides 22% cheaper
- Thymalin
Catalyst Peptides
$6.00/mg
10 mg · $60.00
checked 21 Oct 2026
Priority Peptides
$4.50/mg
10 mg · $44.99
checked 5 Nov 2026
Priority Peptides 25% cheaper
- Thymosin Alpha-1
Catalyst Peptides
$7.80/mg
10 mg · $78.00
checked 21 Oct 2026
Priority Peptides
$7.50/mg
10 mg · $74.99
checked 5 Nov 2026
Priority Peptides 4% cheaper
- Tirzepatide
Catalyst Peptides
$5.40/mg
20 mg · $108.00
checked 21 Oct 2026
Priority Peptides
$3.00/mg
120 mg · $360.00
checked 5 Nov 2026
Priority Peptides 44% cheaper
- Vilon
Catalyst Peptides
$3.00/mg
20 mg · $60.00
checked 21 Oct 2026
Priority Peptides
$2.08/mg
60 mg · $124.99
checked 5 Nov 2026
Priority Peptides 31% cheaper
| Peptide | Catalyst Peptides | Priority Peptides | Difference per mg |
|---|---|---|---|
| 5-Amino-1MQ | $1.50/mg 50 mg · $75.00 checked 21 Oct 2026 | $1.50/mg 50 mg · $74.99 checked 5 Nov 2026 | Priority Peptides under 1% cheaper |
| AOD-9604 | $9.60/mg 10 mg · $96.00 checked 21 Oct 2026 | $6.50/mg 10 mg · $64.99 checked 5 Nov 2026 | Priority Peptides 32% cheaper |
| ARA-290 | $5.90/mg 10 mg · $59.00 checked 21 Oct 2026 | $3.67/mg 30 mg · $109.99 checked 5 Nov 2026 | Priority Peptides 38% cheaper |
| BPC-157 | $5.40/mg 10 mg · $54.00 checked 21 Oct 2026 | $4.50/mg 20 mg · $89.99 checked 5 Nov 2026 | Priority Peptides 17% cheaper |
| Cagrilintide | $12.60/mg 10 mg · $126.00 checked 21 Oct 2026 | $7.00/mg 5 mg · $34.99 checked 5 Nov 2026 | Priority Peptides 44% cheaper |
| DSIP | $5.20/mg 10 mg · $52.00 checked 21 Oct 2026 | $5.00/mg 10 mg · $49.99 checked 5 Nov 2026 | Priority Peptides 4% cheaper |
| Epithalon | $3.15/mg 10 mg · $31.50 checked 21 Oct 2026 | $2.00/mg 50 mg · $99.99 checked 5 Nov 2026 | Priority Peptides 37% cheaper |
| GHK-Cu | $0.700/mg 100 mg · $70.00 checked 21 Oct 2026 | $0.650/mg 100 mg · $64.99 checked 5 Nov 2026 | Priority Peptides 7% cheaper |
| GHRP-2 | $5.00/mg 10 mg · $50.00 checked 21 Oct 2026 | $5.00/mg 10 mg · $49.99 checked 5 Nov 2026 | Priority Peptides under 1% cheaper |
| GHRP-6 | $5.00/mg 10 mg · $50.00 checked 21 Oct 2026 | $5.00/mg 10 mg · $49.99 checked 5 Nov 2026 | Priority Peptides under 1% cheaper |
| GLOW | $1.54/mg 70 mg · $108.00 checked 21 Oct 2026 | $1.43/mg 70 mg · $99.99 checked 5 Nov 2026 | Priority Peptides 7% cheaper |
| Glutathione | $0.051/mg 1500 mg · $77.00 checked 21 Oct 2026 | $0.046/mg 1200 mg · $54.99 checked 5 Nov 2026 | Priority Peptides 11% cheaper |
| Hexarelin | $13.00/mg 5 mg · $65.00 checked 21 Oct 2026 | $8.00/mg 5 mg · $39.99 checked 5 Nov 2026 | Priority Peptides 38% cheaper |
| Ipamorelin | $5.60/mg 10 mg · $56.00 checked 21 Oct 2026 | $5.00/mg 10 mg · $49.99 checked 5 Nov 2026 | Priority Peptides 11% cheaper |
| Kisspeptin | $5.25/mg 10 mg · $52.50 checked 21 Oct 2026 | $5.50/mg 10 mg · $54.99 checked 5 Nov 2026 | Catalyst Peptides 5% cheaper |
| KLOW | $1.75/mg 80 mg · $140.00 checked 21 Oct 2026 | $1.56/mg 80 mg · $124.99 checked 5 Nov 2026 | Priority Peptides 11% cheaper |
| KPV | $4.50/mg 10 mg · $45.00 checked 21 Oct 2026 | $3.33/mg 30 mg · $99.99 checked 5 Nov 2026 | Priority Peptides 26% cheaper |
| LL-37 | $11.40/mg 5 mg · $57.00 checked 21 Oct 2026 | $15.00/mg 5 mg · $74.99 checked 5 Nov 2026 | Catalyst Peptides 24% cheaper |
| Melanotan 1 | $4.50/mg 10 mg · $45.00 checked 21 Oct 2026 | $4.00/mg 10 mg · $39.99 checked 5 Nov 2026 | Priority Peptides 11% cheaper |
| Melanotan 2 | $3.80/mg 10 mg · $38.00 checked 21 Oct 2026 | $4.00/mg 10 mg · $39.99 checked 5 Nov 2026 | Catalyst Peptides 5% cheaper |
| MOTS-C | $4.20/mg 10 mg · $42.00 checked 21 Oct 2026 | $3.75/mg 40 mg · $149.99 checked 5 Nov 2026 | Priority Peptides 11% cheaper |
| NAD+ | $0.087/mg 1000 mg · $87.50 checked 21 Oct 2026 | $0.111/mg 1000 mg · $110.99 checked 5 Nov 2026 | Catalyst Peptides 21% cheaper |
| Oxytocin | $4.50/mg 10 mg · $45.00 checked 21 Oct 2026 | $9.99/mg 2 mg · $19.99 checked 5 Nov 2026 | Catalyst Peptides 55% cheaper |
| PE-22-28 | $5.00/mg 10 mg · $50.00 checked 21 Oct 2026 | $5.50/mg 10 mg · $54.99 checked 5 Nov 2026 | Catalyst Peptides 9% cheaper |
| PEG-MGF | $24.00/mg 2 mg · $48.00 checked 21 Oct 2026 | $22.50/mg 2 mg · $44.99 checked 5 Nov 2026 | Priority Peptides 6% cheaper |
| Pinealon | $6.50/mg 10 mg · $65.00 checked 21 Oct 2026 | $3.00/mg 10 mg · $29.99 checked 5 Nov 2026 | Priority Peptides 54% cheaper |
| Retatrutide | $10.00/mg 30 mg · $300.00 checked 21 Oct 2026 | $5.50/mg 50 mg · $275.00 checked 5 Nov 2026 | Priority Peptides 45% cheaper |
| Selank | $4.20/mg 10 mg · $42.00 checked 21 Oct 2026 | $4.00/mg 10 mg · $39.99 checked 5 Nov 2026 | Priority Peptides 5% cheaper |
| Semaglutide | $7.13/mg 20 mg · $142.50 checked 21 Oct 2026 | $11.30/mg 20 mg · $225.99 checked 5 Nov 2026 | Catalyst Peptides 37% cheaper |
| Sermorelin | $8.40/mg 10 mg · $84.00 checked 21 Oct 2026 | $10.60/mg 10 mg · $105.99 checked 5 Nov 2026 | Catalyst Peptides 21% cheaper |
| SNAP-8 | $3.10/mg 10 mg · $31.00 checked 21 Oct 2026 | $3.50/mg 10 mg · $34.99 checked 5 Nov 2026 | Catalyst Peptides 11% cheaper |
| SS-31 | $6.30/mg 10 mg · $63.00 checked 21 Oct 2026 | $2.80/mg 50 mg · $139.99 checked 5 Nov 2026 | Priority Peptides 56% cheaper |
| TB-500 | $6.50/mg 10 mg · $65.00 checked 21 Oct 2026 | $5.00/mg 10 mg · $49.99 checked 5 Nov 2026 | Priority Peptides 23% cheaper |
| Tesamorelin | $10.00/mg 10 mg · $100.00 checked 21 Oct 2026 | $6.25/mg 20 mg · $124.99 checked 5 Nov 2026 | Priority Peptides 38% cheaper |
| Testagen | $3.85/mg 20 mg · $77.00 checked 21 Oct 2026 | $3.00/mg 20 mg · $59.99 checked 5 Nov 2026 | Priority Peptides 22% cheaper |
| Thymalin | $6.00/mg 10 mg · $60.00 checked 21 Oct 2026 | $4.50/mg 10 mg · $44.99 checked 5 Nov 2026 | Priority Peptides 25% cheaper |
| Thymosin Alpha-1 | $7.80/mg 10 mg · $78.00 checked 21 Oct 2026 | $7.50/mg 10 mg · $74.99 checked 5 Nov 2026 | Priority Peptides 4% cheaper |
| Tirzepatide | $5.40/mg 20 mg · $108.00 checked 21 Oct 2026 | $3.00/mg 120 mg · $360.00 checked 5 Nov 2026 | Priority Peptides 44% cheaper |
| Vilon | $3.00/mg 20 mg · $60.00 checked 21 Oct 2026 | $2.08/mg 60 mg · $124.99 checked 5 Nov 2026 | Priority Peptides 31% cheaper |
Only at Catalyst Peptides: 16 peptides in the same market
Only at Priority Peptides: 21 peptides in the same market
Catalyst Peptides compared with
- Lab Ratz Research51 shared
- NHOV49 shared
- Peptides direct to you49 shared
- Peptides GG48 shared
- Huaian Hanyou Peptide47 shared
- Research1peptides47 shared
- LabFirst Peptides46 shared
- Alpha Peptides45 shared
- Vipris Biotechnology45 shared
- Nexus Bio Life44 shared
- VPeptide43 shared
- Bridge Research42 shared
- Luxe Peptides42 shared
- Pure Lab Peptides42 shared
- Eppixlabs41 shared
- Grey Axis Research41 shared
- Raw Amino41 shared
- Biotech Peptides40 shared
- Core Peptides40 shared
- Peptide Science Now40 shared
- Prime Longevity Peptides40 shared
- Amino Usa39 shared
- Cenexa Labs39 shared
- Eros Peptides38 shared
- Grey Matters Research38 shared
- OP Labs38 shared
- Peptide Science Store37 shared
- SQS Research37 shared
- TrueLab Peptides37 shared
- Nordsci Peptides36 shared
Priority Peptides compared with
- Lab Ratz Research54 shared
- Peptides direct to you53 shared
- Huaian Hanyou Peptide52 shared
- Peptides GG49 shared
- Grey Axis Research48 shared
- TrueLab Peptides48 shared
- VPeptide48 shared
- Luxe Peptides47 shared
- Raw Amino47 shared
- Research1peptides47 shared
- Core Peptides46 shared
- NHOV46 shared
- Prime Longevity Peptides46 shared
- Peptide Science Now45 shared
- Eppixlabs44 shared
- Vipris Biotechnology44 shared
- Peptide Science Store43 shared
- Pure Lab Peptides43 shared
- Eros Peptides42 shared
- Grey Matters Research42 shared
- Nexus Bio Life42 shared
- Nordsci Peptides42 shared
- OP Labs42 shared
- Amino Usa41 shared
- Cenexa Labs41 shared
- LabFirst Peptides41 shared
- Alpha Peptides39 shared
- Biotech Peptides39 shared
- SQS Research38 shared
- Bridge Research36 shared
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.