Clinical insights.
Root-cause perspective.
Articles, clinical updates, and educational content from The Lamkin Clinic in Edmond, Oklahoma. Written and reviewed by Brian Lamkin, DO. Functional medicine, hormone optimization, longevity, BTL technology, and advanced diagnostics.
The Lamkin Clinic publishes clinical insights, educational articles, and functional medicine perspectives for patients and practitioners. Every article is written or reviewed by Brian Lamkin, DO with 25+ years of clinical experience. For in-depth clinical reference content, explore our condition, lab, and article libraries below.
Reference Libraries & Resources
Physician-authored functional medicine reference content. Every page is written and reviewed by Brian Lamkin, DO.
100+ condition pages with root-cause analysis, relevant labs, functional medicine interpretation, and treatment strategy.
Browse conditions → Lab Reference Library128+ lab pages with standard ranges, functional medicine optimal ranges, and clinical interpretation guidance.
Browse labs → Clinical Articles Library31 peer-reviewed reference articles across peptide therapy, hormone health, gut health, and functional medicine topics.
Browse articles → Order Lab TestingDirect-access specialty lab panels: Metabolic Health, Inflammation and CV Risk, Gut Health, Hormone Optimization, and Adrenal Stress.
Rupa Health Lab Store →Latest Posts

Today’s traditional medicine has vastly improved over years past, but there are still a variety of diseases that are not fully understood....
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It’s a new year, and many people start it off by resolving to stick to a diet. Unfortunately, when it comes to...
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Functional medicine investigates the origin of a health issue, seeking to pinpoint the cause of disease and illness. Instead of a one-track,...
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Hypothyroidism symptoms in women vary, but no matter the signs, be it fatigue or weight gain, they often cause considerable physical and...
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An underactive thyroid is a medical condition known as hypothyroidism where certain hormones that are usually secreted by the thyroid gland are...
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In men, an awareness of the aging process typically begins sometime in the mid-to-late thirties. The masculine physique may then begin to...
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Well documented in the scientific literature is that the male aging process is associated with declining testosterone levels. It is also well...
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Low dose Naltrexone, or LDN, has unique properties unlike any other medication. Further, it's not what it does while in your body,...
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Thyroid hormone synthesis and then its delivery to where it needs to go is a complex process that involves various stages. The...
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One of the most important screening tests we’ve been using for years at The Lamkin Clinic is the fasting insulin test. Insulin...
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Sleep is one of those wonderfully built-in processes that we all need to maintain health. Everyone on the planet needs regular quality...
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A couple weeks ago in the first part of this series, I wanted to achieve two goals. First, to help people with...
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