Alternatives to Core Research Peptides

12 research peptide suppliers most like Core Research Peptides in United States: those based in the same country or shipping there, listing the most of the same peptides, ranked by PepFinder Score. We don't sell peptides and stores cannot pay for a place here.

01
#1
Limitless Biotech
US based
United States
5.4
293 products · Ships to 1 country
Third-party testing statedCOA page linked, not reviewedCardCryptoPayPal
Tracked since Sept 2026
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02
#2
Royal Peptides
US based
United States
6.5
213 products
Third-party testing statedCOA page linked, not reviewedBank transferCrypto
Tracked since Sept 2026
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03
#3
Apex Laboratory
US based
FL, United States
8.0
5.0(1)139 products · Delivery 1–3 working days in the US. · Ships to 1 country
Business & docs verifiedCOA page linked, not reviewedCard
Tracked since Sept 2026
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04
#4
Peak Lab Peptides
US based
South Dakota, United States
8.7
5.0(1)184 products · Delivery 1-4 days · Ships to 1 country
Business & docs verifiedThird-party testing statedCOA confirmed with labCard
Tracked since Sept 2026
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05
#5
PSPeptides™
US based
United States
7.5
4.2 Trustpilot(175)98 products · Delivery Shipped Shipped Same Day Most Orders Shipped Within 2-24 Hours · Ships to 32 countries
Third-party testing stated
Tracked since Sept 2026
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06
#6
Pure Lab Peptides
US based
United States
7.1
103 products
Third-party testing statedCOA page linked, not reviewedCardBank transfer
Tracked since Sept 2026
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07
#7
Puritide Research
US based
South Carolina, United States
7.8
54 products · Delivery Ups and arrive in 1 to 5 business days.
Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardCrypto
Tracked since Sept 2026
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08
#8
Pharma Grade Peptides
US based
United States
6.5
108 products
Third-party testing statedCOA page linked, not reviewedCardCrypto
Tracked since Sept 2026
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09
#9
Zenith Biopeptides
US based
OH, United States
8.4
4.5 Trustpilot(37)55 products · Delivery Delivery times depend on the destination; most U.S. orders arrive in 3 business days with standard services. · Ships to 2 countries
Third-party testing statedCOA confirmed with lab✓ Verified ownerCardBank transfer
Tracked since Sept 2026
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10
#10
Ares Research
US based
NH, United States
7.4
1.0(1)3.6 Trustpilot(37)138 products · Delivery 1-2 · Ships to 36 countries
Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardBank transferCrypto
Tracked since Sept 2026
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11
#11
CorePeptide
US based
United States
–
220 products
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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12
#12
www.Peptides.Us
US based
United States
6.3
68 products
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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Core Research Peptides vs Limitless Biotech Core Research Peptides vs Royal Peptides Core Research Peptides vs Apex Laboratory Core Research Peptides vs Peak Lab Peptides Core Research Peptides vs PSPeptides™Core Research Peptides vs Pure Lab Peptides All suppliers serving the US

Similarity is by shared peptides among stores based in or shipping to the same country; the order within that is PepFinder Score, and stores based in the country come before those shipping in. Nothing here is medical advice.