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Methylene Blue research capsule
Methylene Blue

Best Methylene Blue Vendors of 2026

Ranked by Price, Purity, and Reputation

2 vendors comparedfrom $0.04/mgCOA-verified sources only

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Quick Comparison

1Ion PeptideCOA
10/10
600mg$0.04/mg
2Swiss ChemsShips WorldwideCOA
9/10
10mg$1.70/mg
Methylene Blue research kit

Bulk Pricing

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

Ion PeptideCOA15% code thepeptidecatalog
as low as $0.025/mg
$240.00$153.00Save 36%600mg × 10

$0.04/mg $0.025/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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