Alternatives to Portman Peptides

12 research peptide suppliers most like Portman Peptides: 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
Power Peptides
GB based
United Kingdom
6.9
80 products · Delivery Most UK orders are dispatched within 24 hours and arrive within 1–3 working days using tracked delivery. · Ships to 36 countries
Third-party testing statedCOA page linked, not reviewedCard
Tracked since Sept 2026
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02
#2
Power Peptides
US based
United States
–
45 products
Third-party testing statedCard
Tracked since Sept 2026
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03
#3
PPX
AT based
Austria
–
19 products
Tracked since Oct 2026
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04
#4
Precision Peptides UK
GB based
United Kingdom
–
26 products
Third-party testing stated
Tracked since Sept 2026
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05
#5
Precision Peptides
GB based
United Kingdom
–
26 products
Tracked since Sept 2026
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06
#6
Precision Peptides Shop
GB based
United Kingdom
6.6
3.1 Trustpilot(2)42 products · Delivery Spend over £100 and receive free next day delivery.
Third-party testing stated
Tracked since Sept 2026
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07
#7
Precision Research Peptides
US based
United States
6.2
25 products
Third-party testing statedCOA page linked, not reviewedCard
Tracked since Sept 2026
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08
#8
Precision Research UK
GB based
United Kingdom
7.0
4.6 Trustpilot(22)31 products · Delivery dispatched within 24–48 hours
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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09
#9
Premier Peptides
GB based
United Kingdom
6.4
4.4 Trustpilot(10)24 products
Tracked since Sept 2026
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10
#10
Premio Peptides
GB based
United Kingdom
6.0
29 products
Third-party testing statedCOA page linked, not reviewedCardBank transfer
Tracked since Sept 2026
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11
#11
Premium Peptide Shop
GB based
United Kingdom
6.0
37 products
Third-party testing statedCOA page linked, not reviewed
Tracked since Sept 2026
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12
#12
Premium Peptides
DK based
Denmark
6.4
32 products · Delivery 1-5 days · Ships to 31 countries
COA page linked, not reviewed✓ Verified ownerCardBank transfer
Tracked since Nov 2026
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Portman Peptides vs Power Peptides Portman Peptides vs Power Peptides Portman Peptides vs PPX Portman Peptides vs Precision Peptides UK Portman Peptides vs Precision Peptides Portman Peptides vs Precision Peptides Shop All suppliers

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.