Alternatives to QSC Peptides

12 research peptide suppliers most like QSC 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
214 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
Behemoth Labz
US based
United States
6.4
127 products
Third-party testing stated
Tracked since Sept 2026
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05
#5
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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06
#6
PSPeptides™
US based
United States
7.5
4.2 Trustpilot(175)100 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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07
#7
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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08
#8
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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09
#9
Nationwide Peptides
US based
United States
6.5
3.8 Trustpilot(2)134 products
Third-party testing statedCOA page linked, not reviewedCard
Tracked since Sept 2026
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10
#10
NextGenPeps
US based
United States
7.1
3.4 Trustpilot(23)83 products · Delivery N/A · Ships to 1 country
Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCardCryptoPayPal
Tracked since Sept 2026
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11
#11
NorthPeptide
US based
United States
7.1
4.6 Trustpilot(18)63 products · Ships to 2 countries
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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12
#12
Peptira Peptides USA
US based
United States
–
58 products
Tracked since Sept 2026
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QSC Peptides vs Limitless Biotech QSC Peptides vs Royal Peptides QSC Peptides vs Apex Laboratory QSC Peptides vs Behemoth Labz QSC Peptides vs Peak Lab Peptides QSC Peptides vs PSPeptides™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.