4BioDx commercialize innovative products for researchers, scientists and companies working in the field of male reproduction and neurodegenerative diseases. All 4BioDx® products (monoclonal and polyclonal antibodies, ELISA kits) are research use only products. Our company is the unique supplier of the 4MID® testing kits to quantify the proAKAP4 marker in spermatozoa (fresh, chilled or frozen semen), as the only sperm parameter that indicate long lasting motility and long-term functions of sperm.