VHB Life Sciences Limited manufactures Azathioprine. VHB Life Sciences Limited has WHO GMP certified facility as well as INVIMA approved facility. Azathioprine is available in 50mg x 10`s packs. This product is used in cases of acute transplant rejection, serve rheumatoid arthritis not responding to other therapeutic agents like nasids, steroids, etc. Azathioprine bears the brand name Azoprine 50.