Biopharm Methylene Blue 1% | USP Grade | 50mL | Easy Dispensing Plastic Bottle | 1 Drop 0.5mg Methylene Blue | Formaldehyde Free | Antioxidant

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

The Ultimate Guide to Methylene Blue: Remarkable Hope for Depression, COVID, AIDS & other Viruses, Alzheimer’s, Autism, Cancer, Heart Disease, ... Targeting Mitochondrial Dysfunction)

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