Alternatives to Xtreme Bio Labs

12 research peptide suppliers most like Xtreme Bio 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
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
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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03
#3
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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04
#4
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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05
#5
CorePeptide
US based
United States
–
220 products
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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06
#6
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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07
#7
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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08
#8
Atomik Labz
US based
United States
6.8
2.7 Trustpilot(34)133 products
Tracked since Sept 2026
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09
#9
ezPeps
US based
United States
7.4
4.8 Trustpilot(173)59 products · Ships to 1 country
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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10
#10
Behemoth Labz
US based
United States
6.3
127 products
Third-party testing stated
Tracked since Sept 2026
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11
#11
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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12
#12
Disguised Alpha
US based
United States
7.2
105 products · Ships to 36 countries
Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
Tracked since Oct 2026
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Xtreme Bio Labs vs Limitless Biotech Xtreme Bio Labs vs Nationwide Peptides Xtreme Bio Labs vs Ares Research Xtreme Bio Labs vs Apex Laboratory Xtreme Bio Labs vs CorePeptide Xtreme Bio Labs vs www.Peptides.Us 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.