Scan the QR code on your bottle to open the independent COA for your exact lot. You’ll see tests for identity, potency, heavy metals, microbials, and residual solvents.

It indicates the active ingredient meets United States Pharmacopeia specifications for identity and purity—far stricter than generic/technical grades.

Yes. Our capsules are produced and bottled in the USA, with third-party testing on each batch.

The compound is naturally blue. Temporary blue/green urine discoloration can occur, and powders/liquids may stain fabric or porous surfaces. Swallow capsules promptly with water and avoid opening them.

Talk to your healthcare professional first. Methylene blue can interact with certain drugs (especially serotonergic medications) and is not appropriate for everyone (e.g., those with G6PD deficiency). If you’re pregnant, nursing, or have a medical condition, consult your clinician before use.

Store tightly closed in a cool, dry place, away from light. Keep out of reach of children.