Alternatives to QC Labs

12 research peptide suppliers most like QC Labs 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
Red Rock Peptides
US based
United States
6.1
41 products · Ships to 1 country
Tracked since Sept 2026
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02
#2
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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03
#3
American Peptides
US based
United States
6.8
3.1 Trustpilot(13)91 products · Delivery delivered in 2–3 business days · Ships to 1 country
Third-party testing statedCOA page linked, not reviewedCardCrypto
Tracked since Sept 2026
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04
#4
Regentide
US based
United States
5.4
45 products
COA page linked, not reviewed
Tracked since Sept 2026
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05
#5
Orion Peptides
US based
United States
6.7
82 products · Ships to 1 country
Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
Tracked since Sept 2026
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06
#6
Pura Peptides
US based
United States
–
55 products · Ships to 1 country
Bank transferCrypto
Tracked since Sept 2026
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07
#7
Polaris Peptides
US based
United States
7.7
4.1 Trustpilot(34)57 products
Third-party testing statedCardBank transferCryptoPayPal
Tracked since Sept 2026
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08
#8
Palmetto Peptides
US based
South Carolina, United States
7.2
24 products · Delivery 2-3 business days (USPS Priority Mail) · Ships to 1 country
Third-party testing statedCOA page linked, not reviewed✓ Verified ownerPayPal
Tracked since Sept 2026
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09
#9
US Peptide Labs
US based
US, United States
7.3
26 products · Delivery 1-2 Business Days · Ships to 1 country
Third-party testing statedCOA page linked, not reviewed✓ Verified ownerCard
Tracked since Sept 2026
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10
#10
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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11
#11
Bulk Peptide Wholesale
US based
United States
6.8
82 products
COA page linked, not reviewed
Tracked since Sept 2026
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12
#12
GenPeptide
US based
United States
7.4
4.4 Trustpilot(30)47 products · Ships to 1 country
Third-party testing statedCOA page linked, not reviewedCardCrypto
Tracked since Sept 2026
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QC Labs vs Red Rock Peptides QC Labs vs PSPeptides™QC Labs vs American Peptides QC Labs vs Regentide QC Labs vs Orion Peptides QC Labs vs Pura 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.