This is a 100ml bottle of 1% Solution is manufactured in the UK by MetBlu using USP grade Methylene Blue. It is designed for both laboratory and personal use, supplied in a high-quality amber dropper bottle with tamper-evident seal. One vertical drop is 0.5ml and contains 0.5mg of Methylene Blue in solution.
✅ USP Grade 1% Methylene Blue – Premium quality formulation for lab and personal research purposes
✅ 100ml Amber Glass Bottle – Light-protective, with precision dropper for convenient use.
✅ Tested and Verified – Batch tested for identity and purity by third party accredited labs
✅ Multi-Purpose Use – Ideal for lab and personal use
✅ UK Manufactured – Made and bottled in the UK with strict GMP controls



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