umbrellalabs.is

The Tak was delivered fast and in perfect condition. It's proven to be a reliable and high-quality compound for my lab studies. Very pleased with the purity and concentration for research applications :)

High Quality, quick shipping.

So far . . so good.

There was a problem with delivery, but was a USPS problem. Most likely will order again.

Great product, excellent packaging too, the seal around the bottle helps to prevent leaks.