









🧬 Elevate your research with purity you can trust — don’t settle for less!
Heiltropfen’s 2X Methylene Blue 1% Solution offers ultra-high purity pharmaceutical-grade methylene blue, rigorously third-party tested and certified to exceed USP standards. Packaged in protective dark amber glass with a precision glass dropper, it ensures maximum stability and potency. Free from formaldehyde and heavy metals, produced in GMP and ISO-certified facilities, this set of two 100 ml bottles is designed for professional scientific and industrial applications demanding uncompromising quality and transparency.









J**N
Very good quality product and very very blue
This is very good quality and very blue very very blue. I use it for a supplement and when I went to the bathroom. I was in for a surprise yellow and blue make green very bright green. Like I said very very good quality.
G**Z
PASAREX EL TRANSPORTADOR SE ROBÓ EL PRODUCTO
DEBE SER UN EXCELENTE PRODUCTO, PERO NO LLEGÓEL TRANSPORTADOR SE LO ROBÓ
Trustpilot
1 month ago
1 month ago