Erythropoietin
Mentioned in the context of placebo studies, where subjects believing they received EPO experienced a large placebo effect on endurance performance.
Videos Mentioning Erythropoietin

Lance Armstrong: The rise, fall, and growth of a cycling legend | The Peter Attia Drive, Ep. 178
Peter Attia MD
A performance-enhancing drug that Lance Armstrong and his team used, which became central to his doping regimen and was highly effective for endurance sports by increasing red blood cells.

#134 - James O’Keefe, M.D.: Preventing cardiovascular disease and the risk of too much exercise
Peter Attia MD
A performance-enhancing drug that Lance Armstrong used.

#66 – Vamsi Mootha, MD: Aging, T2D, cancer, dementia, Parkinson’s—do all roads lead to mitochondria?
Peter Attia MD
A hormone that increases red blood cell production, enhancing oxygen delivery, often abused in sports.

Season Finale: Tons of New Meta-Analyses and Q&A Catch-Up (Episode 46)
Stronger By Science
Mentioned in the context of placebo studies, where subjects believing they received EPO experienced a large placebo effect on endurance performance.

Q&A: Hormonal Contraceptives, Rates of Weight Loss/Gain, Timeline of Training Adaptations (Ep 9)
Stronger By Science
Mentioned alongside growth hormone as a peptide hormone with similar drug testing challenges due to short half-lives.