Phosphate in Athletes: What Abnormal Values Actually Mean
Introduction Serum phosphate in athletes may provide clinically relevant information in blood work when interpreted in context. Phosphate plays important…
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The Cortisol Awakening Response in Athletes: What Morning Cortisol Reveals About HPA Axis Health and Overtraining Risk
Introduction In clinical sports medicine, the evaluation of training-related fatigue, recovery capacity, non-functional overreaching and overtraining syndrome remains a clinical…
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Magnesium in Athletes: What the Evidence Actually Shows About Deficiency, Muscle Cramps, and Supplementation
Introduction Magnesium in athletes has long been surrounded by a strong sports nutrition myth: that taking it as a supplement…
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Calcium in Athletes: Muscle Contraction, Bioavailability, Stress Fractures, and the RED-S Connection
Introduction Calcium is the most abundant mineral in the human body, yet it remains among the most consistently under-consumed nutrients…
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Albumin in Athletes: What Low Levels on Your Blood Test Really Mean
Introduction In my clinical work, I often notice that many patients — and even athletes — associate albumin primarily with…
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Proteinuria After Exercise: What Athletes Need to Know About Protein in Urine
Introduction If a urine sample is collected from an athlete immediately after exercise, it is fairly common to detect protein…
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Chloride in Athletes: Interpreting a Neglected Electrolyte
Introduction Chloride is often an overlooked electrolyte in clinical practice. When electrolytes are discussed, the focus is typically on sodium…
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Myoglobin vs Creatine Kinase: A Guide to Muscle Damage Markers in Athletes
Introduction In sports—especially during prolonged endurance efforts—some degree of muscle cell damage commonly occurs. This is a normal part of…
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Stretching for Athletes: What Works, What Doesn’t, and When Isometric or Eccentric Training May Be More Useful
Introduction: Why Stretching for Athletes Deserves a Closer Look Stretching is one of the most widely practiced routines in sport….
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Sports Massage Recovery: What the Science Shows — From Athletic Recovery to Postural Muscle Pain
Introduction In clinical practice, many of my athlete-patients are looking for ways to recover faster from training. Hard exercise often…
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Myoglobin in Athletes: Oxygen Storage, Muscle Damage Marker, and Clinical Interpretation
Introduction Elevated myoglobin is often one of the first findings that raises concern for clinicians. In the context of myoglobin…
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Liver Enzymes in Athletes: When Elevated ALT and AST Are Not a Liver Problem
Introduction: Why Liver Enzymes in Athletes Require a Different Framework In my clinical work, I frequently encounter elevated liver enzyme…
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Potassium in Athletes: Interpreting Serum Potassium Across the Exercise Cycle
Why Potassium in Athletes Requires a Different Interpretive Framework Potassium is the body’s principal intracellular cation, with roughly 98% of…
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Sodium in Athletes: What Your Blood Work and Sweat Really Tell You
Introduction In the general population, sodium intake is often higher than necessary, and reducing excess salt is commonly recommended due…
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Vitamins for Athletes: What Actually Matters, What You’re Wasting Money On, and What Can Hurt You
Introduction It is entirely natural for athletes — and patients more broadly — to want to maximise their performance. They…
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Cortisol in Athletes: What Your Blood Test Is Actually Telling You
Introduction: Why Cortisol in Athletes Has a Reputation Problem Cortisol is one of the most frequently blamed hormones in health…
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Testosterone in Athletes: What Your Blood Work Is Actually Telling You
Introduction When I work with athletes or review their blood work, I find that the conversation around hormones almost always…
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Creatinine in Athletes: When Kidney Function Tests Mislead
Introduction Athletes represent a distinct population in whom creatinine measurements are frequently influenced by factors such as greater muscle mass,…
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Electrolytes in Athletes: What Your Blood Work Is Actually Telling You
Introduction Electrolytes in athletes play a central role in athletic physiology, and exercise does affect the body’s electrolyte balance. At…
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EPO in Athletes: Erythropoietin Levels, Clinical Interpretation, and the Doping Divide
Introduction EPO in athletes sits at a contested intersection of sports medicine, clinical diagnosis, and anti-doping science. Endurance athletes speak…
