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blupreme highest purity methylene blue skip to content home catalog quality articles contact eur english toggle navigation highest purity methylene blue tested against the full applicable usp nf specification not just for heavy metals usp grade ingredient comprehensive quality testing made in europe global shipping featured products blupreme methylene blue 1 aqueous solution usp pharmaceutical grade 100 ml 15 00 view more blupreme methylene blue powder usp pharmaceutical grade 5 g 55 65 view more blupreme methylene blue powder usp pharmaceutical grade 10 g 94 17 view more blupreme methylene blue powder usp pharmaceutical grade 20 g 188 34 view more blupreme methylene blue powder usp pharmaceutical grade 50 g 419 48 view more what is methylene blue methylene blue also known as methylthioninium chloride is a synthetic compound first prepared by german chemist heinrich caro in 1876 it was originally developed as a dye and was later adopted in pharmaceutical and scientific applications why quality testing matters the term usp grade is widely used in the methylene blue market but the testing behind the claim can vary substantially many sellers provide only a heavy metal screening panel and present it as evidence of pharmaceutical grade quality this testing provides no information about harmful organic impurities residues left from manufacturing microbial levels or bacterial endotoxins this gap is the reason blupreme was created our methylene blue is tested against the full applicable usp nf specification identity purity organic impurities residual solvents elemental impurities residue on ignition microbial limits and bacterial endotoxins this provides a significantly broader assessment of the material than heavy metal screening alone learn about our quality other brands heavy metal screening assay organic impurities screening azure b screening residual solvents screening sulfated ash screening microbial limits screening bacterial endotoxin screening why blupreme unmatched quality our methylene blue is tested not just for heavy metals but against the full applicable usp nf specification and additional quality requirements solution or powder explore our methylene blue solution and powder in the product catalog manufactured in lithuania our methylene blue solution is manufactured and bottled in lithuania under good manufacturing practice gmp standards its packaging protects it from light and includes a seal that shows whether it has been opened frequently asked questions how long will delivery take for eu orders it typically takes 3 4 days for orders delivered outside the eu it is approximately 10 days how much does shipping cost shipping costs are calculated at checkout based on the destination and available delivery service can i place a bulk order for bulk quantities contact support blupreme com with the required quantity destination country and delivery requirements will i need to pay customs or import duties orders shipped between eu member states are not subject to import customs duties additional charges may apply outside the eu customs area browse all faqs eur english terms and conditions privacy policy refund policy shipping policy frequently asked questions quality testing articles about us contact us facebook eigenvector mb reg no 306983471 vat lt100020561419 partizanu g 61 49282 kaunas lithuania disc o ver 2026 blupreme all rights reserved