Methylene Blue Bio / Sourcing
Sourcing
How to verify methylene blue quality before you buy
USP-grade vs aquarium-grade methylene blue is a safety issue, not a marketing one. Here's how to check a Certificate of Analysis and spot red flags.
Methylene blue certificate of analysis, explained
What a real COA shows: purity %, heavy metals, USP grade vs aquarium grade. Learn to read one before you buy methylene blue.
Compounding pharmacy vs research supplier: methylene blue
FDA-approved methylene blue is USP grade from a licensed pharmacy. Research and aquarium products aren't. Here's what actually separates them.
Methylene blue cost and pricing: what you actually pay
Pharmaceutical-grade methylene blue runs roughly $30-$90 per 10-30 day supply. Here's what drives the price and why cheap aquarium grade is a false bargain.
Methylene blue purity and testing: what buyers should check
USP-grade vs aquarium-grade methylene blue can differ by contaminants and concentration. Here's what a real certificate of analysis should show, and how to check it.