- 1% methylene blue trihydrate solution in demineralized water, pharmaceutical grade ingredients (USP) - Tested by independent laboratories to ensure the absence of heavy metals and microbiological contaminants - Each vertical drop provides 0.5 mg of methylene blue; easy dosing with glass dropper - Dark amber glass bottle protects the contents from light and oxidation, ensuring maximum purity and efficacy - Free from formaldehyde and additives, suitable for laboratory protocols and scientific applications - Durable and secure packaging, ideal for transport and long-term storage - Manufactured in GMP, ISO 22000, and ISO 22716 certified facilities, meeting the highest quality standards - Meets and exceeds United States Pharmacopeia (USP) requirements, with certificate of analysis available