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Cobalt Peptides vs Optimal Lab

Cobalt Peptides and Optimal Lab have near-identical PepFinder Scores (8.2 and 8.1). Both list 39 of the same peptides. Neither can pay to change the comparison.
Cobalt Peptides logo8.2
Cobalt Peptides
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Optimal Lab logo8.1
Optimal Lab
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Cobalt Peptides logoCobalt PeptidesVisit storeOptimal Lab logoOptimal LabVisit store
PepFinder Score8.28.1
TrustpilotNo score foundNo score found
Customer ratingNo reviews yetNo reviews yet
Would order againNeeds 5+ reviewsNeeds 5+ reviews
Product selection
9.1/10
55 peptides · 170 products
9.6/10
47 peptides · 263 products
Pricing and value
7.0/10
16% cheaper than average per mg
6.0/10
In line with the average price per mg
Delivery
10.0/10
1–2 working days after dispatch
10.0/10
1to2 days
Payment options
10.0/10
CardVisaMastercardApple PayGoogle PayBank transferOpen BankingCryptocurrency
7.0/10
CardPayPal
Customer support
10.0/10
EmailPhoneContact formWhatsApp
10.0/10
EmailPhoneWhatsAppTelegram
Website experience
Not rated yet
Not rated yet
Reliability
7.5/10
7.5/10
Packaging
Not rated yet
Not rated yet
Ships fromUnited KingdomUnited Kingdom
Ships toUnited KingdomUnited Kingdom, Ireland
Median price per mg£2.74£2.50
Reported deliveredNo order reportsNo order reports
Median delivery (reported)Needs 3+ reportsNeeds 3+ reports
Support replied (reported)No support reportsNo support reports

The shaded cell is the higher rating in that row. Each rating's source (automated data, customer reviews or editorial) is shown on the supplier's profile.

Testing & transparency (optional detail)
Cobalt Peptides logoCobalt PeptidesOptimal Lab logoOptimal Lab
Transparency Score6.56.8
Testing transparency4.65.4
Contact transparency10.010.0
Documentation2.83.8
Third-party testing stated✓ YesNot yet assessed
Publishes COAs✓ Yes✓ Yes
Batch-specific COAsNot yet assessedNot yet assessed
COAs reviewed by us00
VerificationNot verifiedNot verified
Years tracked0.10.1
Refund policy clearNot yet assessedNot yet assessed

Price per mg for peptides both list

Peptide listed by allCobalt PeptidesOptimal Lab
5-Amino-1MQ£0.97£0.75
AHK-Cu£0.27£0.60
AOD-9604£4.85£7.00
ARA-290£2.43£3.00
BPC-157£1.98£3.00
Cagrilintide£5.90£6.00
Cartalax£2.45£1.75
CJC-1295£4.40£3.00
CJC-1295 + Ipamorelin blend£3.24—
Dihexa£4.00£7.00
DSIP£2.43£2.50
Epitalon£0.97£1.50
GHK-Cu£0.29£0.50
GLOW blend£0.63£1.43
Glutathione£0.02£0.02
IGF-1 LR3£42.95£50.00
Ipamorelin£1.98£3.00
Kisspeptin-10£2.43£2.00
KLOW blend£0.66£1.50
KPV£1.98£3.00
L-Carnitine—£0.05
LL-37£3.95£4.00
Melanotan I£1.98£2.50
Melanotan II£1.61£2.00
MOTS-c£0.97£1.88
NAD+£0.04£0.10
Oxytocin£8.08£3.00
PT-141£1.98£2.20
Retatrutide£1.98—
Selank£1.98£2.50
Semax£1.98£2.50
Sermorelin£3.86—
SLU-PP-332£5.75£8.00
SNAP-8£1.89£2.00
SS-31£1.13£2.40
TB-500£2.43£4.50
Tesamorelin£3.15£4.50
Thymosin Alpha-1£3.24£5.00
VIP£3.86£5.00

Lowest listed price per mg for each supplier, in the currency it lists in. Prices in different currencies are not converted or ranked. Listed prices only; we do not sell products.

Full profiles: Cobalt Peptides · Optimal Lab · add more suppliers

Supplier and market information only; not medical advice.