Disclosure: We earn a commission from vendors on this page. Rankings are based on objective criteria including price, COA availability, and reputation.

Best Thymosin Beta-4 Vendors of 2026

Ranked by Price, Purity, and Reputation

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Quick Comparison

1EZ PeptidesCOA

10/10

10mg$6.80/mg

Rank	Vendor	COA	Score	Doses
1	EZ Peptides	Yes	10/10	10mg$68.00$6.80/mgView →

Bulk Pricing

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

EZ PeptidesCOA10% code thepeptidecatalog

as low as $5.51/mg

$612.0010mg × 10$6.12/mg → $5.51/mg with code

View at EZ Peptides

Thymosin Beta-4 Stacks & Blends

Pre-mixed combinations containing Thymosin Beta-4 — one vial, multiple peptides.

BPC-157 + Thymosin Beta-4

Also contains: BPC-157

1EZ Peptides

10/10

$53.005mg/5mgCOA

10% OFF—thepeptidecatalog

Compare More Peptide Vendors

Best BPC-157 Vendorsfrom $49.00 →Best TB-500 Vendorsfrom $55.00 →Best GHK-Cu Vendorsfrom $55.00 →Best LL-37 Vendorsfrom $89.00 →Best ARA-290 Vendorsfrom $70.00 →Best Cartalax Vendorsfrom $58.00 →Best PDA (Pentadeca Arginate) Vendorsfrom $49.00 →Best AHK-Cu Vendorsfrom $65.00 →

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 BPC-157 Vendors of 2026 →

Ranked by price, purity testing, and buyer trust

Calculate the Cost of Your BPC-157 Cycle →

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