Arthus Biosystems is a biotechnology company based in Richmond, California, USA.

The company provides

  • primary antibodies,
  • proteins
  • and immunoassays for S-adenosylmethionine (SAM), S-adenosylhomocysteine (SAH) and methylation index.

Their aim is to bridge the gap between what is known about SAM and potential applications in clinical diagnostics and medical practices for the benefit of the general public.