Does A Ketogenic Diet Lower A Very High Lp(a) A Striking Experiment In A Male Physician

Lipoprotein(a), or Lp(a), is a blood marker that strongly predicts heart disease risk. Unlike other cholesterol markers, Lp(a) levels are thought to be determined entirely by genetics and remain stable throughout life. This belief led doctors to recommend testing Lp(a) only once, since the levels supposedly never change. However, a German preventive medicine physician made a surprising personal discovery that challenges this assumption.

Dr. Johannes Scholl, a 55-year-old triathlete, had consistently high Lp(a) levels around 92-108 mg/dL for over a decade—levels that put him at significantly increased risk for heart disease. In 2018, after adopting a very low-carb ketogenic diet to fuel his endurance training, he noticed his Lp(a) had dropped to 65 mg/dL. To test whether diet was truly responsible, he conducted a careful experiment on himself in 2020.

During his experiment, Dr. Scholl switched from his usual ketogenic diet to a very high-carb diet for two weeks. His Lp(a) levels shot up from 74 mg/dL to 101 mg/dL. When he returned to the ketogenic diet for three weeks, his levels dropped back down to 74 mg/dL. This dramatic and reproducible change suggests that carbohydrate intake may significantly influence Lp(a) levels, contrary to current medical understanding.

This case study has important implications for metabolic health and longevity. If dietary changes can meaningfully lower Lp(a) levels, this could provide a new tool for reducing cardiovascular risk in the roughly 20-30% of people with elevated Lp(a). While this is just one person's experience and larger studies are needed, it suggests that patients with high Lp(a) might benefit from discussing ketogenic or very low-carb diets with their healthcare providers as part of a comprehensive heart disease prevention strategy.