The Dr. Gabrielle Lyon Show
The Dr. Gabrielle Lyon Show

Nobody Told You This About Creatine | GLS #231

August 27, 2026

AI Summary

5 min read

The Accidental Discovery That Made Creatine the Most Studied Supplement in History

In 1992, a British biochemist named Roger Harris was studying muscle metabolism in racehorses. A supplier sent him the wrong compound—creatine instead of the carnosine he had ordered. He nearly threw it away. Fifteen years earlier, he had tested creatine and concluded the human body simply would not absorb it, a conclusion that froze creatine research for over a decade. But this time, he decided to use up the unwanted powder. He forced 10 grams into a syringe; it clogged. So he measured a smaller dose, dissolved it in water, drank it himself, and drew his own blood at intervals. That self-experiment became the first study showing that oral creatine supplementation actually raises muscle creatine stores. The manuscript was rejected by two journals before landing in Clinical Science in 1992. By the Barcelona Olympics that same year, British athletes were already using it. The most validated compound in sports nutrition survived by the narrowest margin—one skeptic willing to test his own certainty, one clogged syringe, and one horse that happened not to absorb the compound being tested.

What Creatine Actually Does (and Doesn't Do)

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What you'll learn

  • 1 (00:00) **The Creatine Math Problem** - The episode opens by framing the central challenge: getting 5g of creatine from food requires eating roughly 24 ounces of cooked meat and fish per day, making supplementation a practical necessity.
  • 2 (01:04) **The Accidental Discovery of Creatine** - A detailed history of how creatine was discovered by accident in the 1980s when a biochemist received the wrong compound and tested it on himself.
  • 3 (03:42) **What Creatine Is and Is Not** - Clarifying the fundamental nature of creatine as a naturally occurring compound, not a steroid, stimulant, or hormone.
  • 4 (05:11) **How Creatine Translates to Lean Mass** - Explaining the two primary routes through which creatine supplementation leads to muscle gain: cell swelling and increased training capacity.
  • 5 (07:30) **Who Responds Best: Vegans, Older Adults, and the Sleep-Deprived** - Identifying specific populations that show outsized benefits from creatine supplementation due to lower baseline levels or specific physiological needs.
  • 6 (08:58) **Creatine for Depression and Aging Brains** - Reviewing the emerging evidence for creatine's cognitive benefits, including as an add-on for depression and for memory in older adults.
  • 7 (10:01) **Safety Profile and Debunking Myths** - Addressing the most common fears about creatine, specifically kidney damage and hair loss, with direct evidence.

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Show Notes

You might think creatine is a bodybuilder's steroid you have to cycle, load, and fear for your kidneys, but it's a compound your own body already makes from three amino acids, with one of the deepest safety records in all of nutrition science. The problem isn't the creatine; it's the noise around it.

In this solo episode, Dr. Gabrielle Lyon discusses:

  • Why the bump creatine causes in your creatinine lab value is a metabolic artifact, not a sign of kidney damage in healthy people
  • Where the hair-loss fear came from. A single unreplicated study in one rugby player showing a 56% DHT rise, and why no research has ever directly linked creatine to hair loss
  • How men and women respond differently (roughly 1.5 kg of lean mass in men vs. about a third of a kilogram in women), and why women still gain real strength, grip, cognition, and recovery
  • Why you can't realistically eat your way to 5 grams a day: it would take 2.5 to 3 pounds of cooked meat and fish daily, so a single scoop closes the gap
  • The protocol: 3–5 grams of plain monohydrate every day, no loading phase, no cycling, timing barely matters

Muscle is your organ of longevity, the tissue that clears most of the glucose in your bloodstream and defends your metabolism as you age. Creatine won't build it for you, but it raises the ceiling on the work you can do, so the training that protects that muscle pays off more. Understanding what's real and what's fearmongering is the difference between avoiding a proven tool and using it well.

Studies & References


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