Alternatives to MI Bio

12 research peptide suppliers most like MI Bio 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
PSPeptides™
US based
United States
7.4
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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02
#2
American Peptides
US based
United States
7.1
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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03
#3
Orion Peptides
US based
United States
6.8
82 products · Ships to 1 country
Third-party testing statedCOA page linked, not reviewedCardBank transferCrypto
Tracked since Sept 2026
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04
#4
Puritide Research
US based
South Carolina, United States
7.9
55 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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05
#5
Bulk Peptide Wholesale
US based
United States
7.6
82 products
COA page linked, not reviewed
Tracked since Sept 2026
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06
#6
Peptide Partners
US based
United States
7.0
127 products
Third-party testing stated
Tracked since Sept 2026
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07
#7
Zenith Biopeptides
US based
OH, United States
8.5
4.5 Trustpilot(37)54 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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08
#8
Limitless Biotech
US based
United States
5.6
293 products · Ships to 1 country
Third-party testing statedCOA page linked, not reviewedCardCryptoPayPal
Tracked since Sept 2026
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09
#9
Nationwide Peptides
US based
United States
6.7
3.8 Trustpilot(2)134 products
Third-party testing statedCOA page linked, not reviewedCard
Tracked since Sept 2026
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10
#10
NuRev Peptides
US based
United States
6.8
4.5 Trustpilot(20)63 products · Ships to 36 countries
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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11
#11
Royal Peptides
US based
United States
6.4
214 products
Third-party testing statedCOA page linked, not reviewedBank transferCrypto
Tracked since Sept 2026
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12
#12
New-U Research Compounds
US based
Wyoming, United States
8.8
5.0(3)4.3 Trustpilot(8)667 products · Delivery 6-14 days worldwide · Ships to 36 countries
Business & docs verifiedThird-party testing statedCOA page linked, not reviewedCardCrypto
Tracked since Sept 2026
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MI Bio vs PSPeptides™MI Bio vs American Peptides MI Bio vs Orion Peptides MI Bio vs Puritide Research MI Bio vs Bulk Peptide Wholesale MI Bio vs Peptide Partners 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.