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Chromium research from a distance: from 1959 to 1980

W Mertz1

  • 1Human Nutrition Center, USDA, Beltsville, Maryland, USA.

Journal of the American College of Nutrition
|December 16, 1998
PubMed
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Trivalent chromium is an essential element that potentiates insulin action. Research is advancing to develop practical methods for diagnosing chromium deficiency, potentially using urinary chromium response tests.

Area of Science:

  • Nutritional biochemistry
  • Endocrinology

Background:

  • Trivalent chromium recognized as an essential element with established interaction with insulin.
  • Early clinical successes with chromium supplementation were hindered by analytical and diagnostic challenges.
  • Historical controversies regarding chromium's carcinogenic potential and effects on glucose tolerance have been resolved.

Observation:

  • Chromium's primary site of action is the insulin-sensitive cell membrane.
  • Chromium potentiates insulin action through effects on insulin-dependent functions or by reducing insulin requirements.
  • Despite progress, reliable methods for diagnosing chromium deficiency remain a significant challenge.

Findings:

  • Chromium's role in potentiating insulin action is multifaceted, affecting cellular functions and insulin efficiency.

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  • The understanding of chromium's biological mechanisms has evolved, resolving previous scientific debates.

    • Implications:

    • Standardizing urinary chromium response to insulinogenic challenges (e.g., glucose load) may offer a feasible diagnostic approach.
    • Further research into chromium's role in metabolic health and deficiency diagnosis is warranted.
    • Improved diagnostic tools could enhance the clinical application of chromium in managing metabolic disorders.