Frequently Asked Questions

Methylene blue is a synthetic compound with a long history of use in medicine and research. Our 1% USP grade solution is formulated with ultra-pure electrolytic methylene blue and USP-grade purified water.

USP (United States Pharmacopeia) grade means the product meets strict pharmaceutical-grade standards for purity, identity, and potency as established by the USP.

Store at room temperature (59–86°F / 15–30°C) away from direct sunlight. Keep the bottle tightly sealed when not in use.

Yes. Our most recent Certificate of Analysis is available for download on our Lab Results page. Every batch is independently tested by third-party accredited laboratories.

We offer a 30-day satisfaction guarantee. If you're not completely satisfied, contact us for a full refund. See our Refund Policy page for details.

Currently we ship within the United States. International shipping may be available in the future — contact us to inquire.