Welcome to Sierra Resources International: The Leader in EIA and ELISA Assays for Pharmaceutical Research, University Research and Clinical Testing.

 Whether your laboratory is engaged in Pharmaceutical Research, University Research or Clinical Testing;  no other company offers a larger selection of EIA and ELISA test kits  for your research or clinical applications than Sierra Resources International.

Laboratories that utilize Sierra Resources assays:

  • Improve their research timelines
  • Reduce costly re-analysis
  • Significantly reducing defectives
  • Achieve overall lower research costs

With over 1000 ELISA Immunoassays, Sierra Resources International can supply your pharmaceutical research laboratory with high quality EIA and ELISA test kits for the Discovery Phase through the Phase One Testing. Visitors to our web site are able to search all of the Sierra Resources test kits alphabetically or are able to search categories of test kits as follows:

  • FDA Cleared Tests
  • Fertility Tests
  • Immunology Tests
  • Hematology Tests
  • Infectious Diseases
  • Adrenal Tests
  • Saliva Tests
  • Thyroid Tests
  • Tumor Marker Tests
  • Vitamin Tests

Contact Sierra Resources International today by email or telephone to request the technical specifications of any of our assays that you may require for your research project.

Sierra Resources does not capture any information from customers through the Sierra Resources website. We maintain strict confidentiality with our clients. Due to the technical nature of our products, all purchases are conducted via telephone and email.

Sierra Resources International Recommends CLEARCHEM DIAGNOSTICS as a trusted vendor