CEREBLUE Methylene Blue 1/3/5% Solution USP Pharmaceutical Grade 50 mL with Glass Dropper 3rd Party Lab Tested UK Made Formaldehyde Free (3%)

🔬 3RD PARTY LABORATORY VERIFIED: Every master batch is independently tested by 3rd Party Laboratories for heavy metals, including Lead, Mercury, Arsenic, and Cadmium. Certificate of Analysis available via our support portal. The same laboratory trusted by major pharmaceutical companies worldwide. 💧 ONLY 2 INGREDIENTS: Pure USP-grade Methylthioninium Chloride and Pure Distilled Water (USP Grade). No alcohol. No fillers. No preservatives. No additives. Formaldehyde-free. Compare our ingredient list to competitors - simplicity is purity. 🇬🇧 GENUINE UK PRODUCTION: Not relabelled imports. Every bottle is produced, filled, and batch-coded in our UK facility with full traceability. Small-batch manufacturing ensures consistent quality. Trusted for 5+ years with 350,000+ bottles sold globally. 📦 PROFESSIONAL PRESENTATION: 50 mL UV-protective frosted glass bottle with precision glass dropper (approximately 0.5/1.5/2.5 mg per drop). Supplied in protective packaging with a tamper-evident seal for full reliability. 📄 FULL DOCUMENTATION AVAILABLE: Certificate of Analysis (COA) accessible through our support portal. We believe in transparency – every batch is traceable, every test result is available. Questions? Our support team typically responds within hours.