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FOXO4-DRI research vial
FOXO4-DRI

Best FOXO4-DRI Vendors of 2026

Ranked by Price, Purity, and Reputation

2 vendors comparedfrom $11.90/mgCOA-verified sources only

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Quick Comparison

1Ascension PeptidesCOA
10/10
10mg$12.00/mg
2Ion PeptideCOA
9/10
10mg$11.90/mg
FOXO4-DRI research kit

Bulk Pricing

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

Ascension PeptidesCOA
as low as $5.40/mg
$1200.00$540.00Save 55%10mg × 10

$12.00/mg $5.40/mg · 10% pack discount + 50% auto-applied

View at Ascension Peptides
Ion PeptideCOA15% code thepeptidecatalog
as low as $7.59/mg
$1190.00$758.63Save 36%10mg × 10

$11.90/mg $7.59/mg · 25% pack discount + 15% with code

View at Ion Peptide

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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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