Dr. Robaina Methylene Blue 1% USP Grade – Focus & Mental Clarity Drops (2 oz, USA)

Dr. Robaina Methylene Blue 1% USP Grade Liquid Supplement delivers pharmaceutical-grade purity for focus and mental clarity. Each 10 mg serving is third-party tested for consistency. Made in USA in a GMP-certified facility with purified water and no formaldehyde, GMOs, gluten, alcohol, or artificial additives. Features a precise glass dropper calibrated to 20 drops per mL for easy sublingual dosing or mixing in water or juice. Packaged in a 2 fl oz (59 ml) glass dropper bottle.