Frequently Asked Questions

NooBlue offers methylene blue capsules, Wild Blueberry gummies with vitamin C, and a 1% liquid solution. Compare the formats, ingredients and pack sizes in our shop.

We offer three formats and publish an original ingredient report, with a plain-language explanation of its scope and limitations on our quality and testing page.

Store in a cool, dry place away from direct sunlight. Keep the container tightly sealed. Do not use if the safety seal is broken or missing.

Methylene blue is not suitable for everyone and can interact with medications. Consult a qualified healthcare professional before use, especially if you have a medical condition, are pregnant or breastfeeding, or take medication. Ingredient testing does not establish safety for an individual.

Orders dispatch in 1–2 business days with tracking. Delivery takes an estimated 4–8 business days to the US, UK, Europe, Australia, New Zealand and Canada, and 5–10 business days elsewhere. Shipping is $8 USD, or free on orders of $100 USD or more.

Unopened, unused products in their original packaging may be returned within 30 days of delivery. Contact info@nooblue.com with your order number. Return shipping is paid by the customer unless the item is damaged, defective or incorrect; see the complete returns policy.

The published CTLA report covers identity and heavy-metal analysis of the methylene blue ingredient, lot 2025022801. It does not certify every finished product or establish a numerical purity percentage. Read the original report and its limitations on our quality and testing page.

Methylene blue can interact with medications and supplements. Ask a qualified healthcare professional to assess your specific situation before combining products.