PureSource Blue 4% is a high-concentration research-grade methylene blue solution — four times the strength of standard 1% solutions available elsewhere. Produced in small batches to ensure purity, consistency, and traceability. Formulated using USP-grade methylene blue dissolved in distilled water with plant-derived vegetable glycerin for stability and handling.
Strict quality controls at every stage. Raw material tested to USP pharmaceutical grade elemental impurity limits for arsenic, lead, cadmium, and mercury. Full specification data available in the Certificate of Analysis. Supplied in a 100 mL cobalt blue glass bottle with integrated dropper for light protection.
Ingredients: USP-grade Methylene Blue (4% w/v), Distilled Water, Vegetable Glycerin.
No additives. No formaldehyde. No alcohol. No preservatives. COA verified. EU origin.
For laboratory and independent research use only.
PureSource Blue 4% is a high-concentration research-grade methylene blue solution — four times the strength of standard 1% solutions available elsewhere. Produced in small batches to ensure purity, consistency, and traceability. Formulated using USP-grade methylene blue dissolved in distilled water with plant-derived vegetable glycerin for stability and handling.
Strict quality controls at every stage. Raw material tested to USP pharmaceutical grade elemental impurity limits for arsenic, lead, cadmium, and mercury. Full specification data available in the Certificate of Analysis. Supplied in a 100 mL cobalt blue glass bottle with integrated dropper for light protection.
Ingredients: USP-grade Methylene Blue (4% w/v), Distilled Water, Vegetable Glycerin.
No additives. No formaldehyde. No alcohol. No preservatives. COA verified. EU origin.
For laboratory and independent research use only.
