Methylene Blue, 1% USP (Pharmaceutical) Grade, 50 mL (1.69 fl oz) Glass; 3rd Party Tested ^Sale

Features:

• Ultra-Pure USP Grade Formaldehyde Free Methylene Blue
• 1 Drop contains 0.5 mg Methylene Blue
• 3rd Party Analytical Laboratory Verified Levels of Aluminum (Al), Arsenic (As), Cadmium (Cd), Copper (Cu), Mercury (Hg), Lead (Pb), Selenium (Se), Tin (Sn), Zinc (Zn)
• See Photos for Certificates of Analyses
• Genuine Biopharm methylene blue items conveniently come with volume markings etched on the glass dropper heat sealed inside the glass bottle.