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Tirzepatide research vial

Tirzepatide

Best Tirzepatide Vendors of 2026

Ranked by Price, Purity, and Reputation

5 vendors comparedfrom $1.40/mgCOA-verified sources only

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Quick Comparison

1Nura PeptideCOA

10/10

$4.00/mg

2Ion PeptideCOA

9.8/10

$3.62/mg

3Ascension PeptidesCOA

9.5/10

$6.00/mg

4Glacier AminosCOA

9.3/10

$3.27/mg

5EZ PeptidesCOA

9/10

$1.80/mg

Rank	Vendor	COA	Score	Doses
1	Nura Peptide	Yes	10/10	10mg$60.00$42.00$6.00/mgView →30mg$120.00$84.00$4.00/mgView →60mg$190.00$133.00$3.17/mgView →
2	Ion Peptide	Yes	9.8/10	10mg$49.00$41.65$4.90/mgView →20mg$85.00$72.25$4.25/mgView →30mg$108.50$92.23$3.62/mgView →40mg$129.00$109.65$3.23/mgView →60mg$149.00$126.65$2.48/mgView →100mg$199.00$169.15$1.99/mgView →
3	Ascension Peptides	Yes	9.5/10	10mg$90.00$45.00$9.00/mgView →30mg$180.00$90.00$6.00/mgView →
4	Glacier Aminos	Yes	9.3/10	10mg$50.99$45.89$5.10/mgView →20mg$75.99$68.39$3.80/mgView →30mg$97.99$88.19$3.27/mgView →60mg$168.99$152.09$2.82/mgView →
5	EZ Peptides	Yes	9/10	10mg$28.00$25.20$2.80/mgView →15mg$41.00$36.90$2.73/mgView →20mg$48.00$43.20$2.40/mgView →30mg$54.00$48.60$1.80/mgView →60mg$84.00$75.60$1.40/mgView →

Tirzepatide research kit

Bulk Pricing

Per-vendor quantity breaks — pick a vial size to see the bulk price. Must purchase the full pack.

Nura PeptideCOA30% code thepeptidecatalog

as low as $1.77/mg

$600.00$336.00Save 44%10mg × 10

$6.00/mg $3.36/mg · 20% pack discount + 30% with code

View at Nura Peptide

Ion PeptideCOA15% code thepeptidecatalog

as low as $1.27/mg

$490.00$312.38Save 36%10mg × 10

$4.90/mg $3.12/mg · 25% pack discount + 15% with code

View at Ion Peptide

Ascension PeptidesCOA

as low as $2.70/mg

$900.00$405.00Save 55%10mg × 10

$9.00/mg $4.05/mg · 10% pack discount + 50% auto-applied

View at Ascension Peptides

Glacier AminosCOA10% code thepeptidecatalog

as low as $1.90/mg

$509.90$344.16Save 33%10mg × 10

$5.10/mg $3.44/mg · 25% pack discount + 10% with code

View at Glacier Aminos

EZ PeptidesCOA10% code thepeptidecatalog

as low as $1.13/mg

$280.00$225.00Save 20%10mg × 10

$2.80/mg $2.25/mg · 11% pack discount + 10% with code

View at EZ Peptides

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How We Score Vendors

Our scoring is based on three weighted factors:

Price Competitiveness (40%)

Normalized to cost per milligram for fair comparisons across vial sizes.

COA Availability (30%)

Third-party lab testing confirming purity, identity, and absence of contaminants.

Vendor Reputation (30%)

Community feedback, shipping reliability, customer service, and business track record.

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Best Semaglutide Vendors of 2026 →

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Tirzepatide for Sale From $84.00 — 5 Vendors (Oct 2026)