Methylene Blue 1% Refill (237 mL)

USP-Grade Methylene Blue Solution 1% – Refill

Our best-value size. Pharmaceutical-grade purity, nothing else added. Every lot is independently tested and traceable from batch to bottle.

Why Compass Laboratory

• USP-Grade Methylene Blue – Meets United States Pharmacopeia quality standards.
• Two Ingredients Only – USP methylene blue and reverse osmosis purified water. No preservatives, fillers, or additives.
• Independently Tested – Every lot is tested by a third-party laboratory. View the COA for your lot.
• Lot-Tracked – Lot number and expiration date printed on every bottle.
• Best-Value Refill – Large amber glass bottle for refilling your 50 mL dropper bottle.
• Made in the USA – Manufactured and bottled in Mena, Arkansas.

Specifications

• Concentration: 1% w/v (10 mg/mL)
• Volume: 237 mL amber glass refill bottle
• Ingredients: USP methylene blue, reverse osmosis water
• Storage: Tightly capped at room temperature, away from direct sunlight

Handling

Keep out of reach of children. Avoid contact with eyes. Methylene blue stains skin, fabric, and surfaces. This product is not a dietary supplement and is not intended to diagnose, treat, cure, or prevent any disease.

USP Methylene Blue and Reverse Osmosis Water