Ephedrine
A banned substance in many countries with reported adverse events, generally not recommended as a fat burner.
Common Themes
Videos Mentioning Ephedrine

Dom D'Agostino Returns (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
Mentioned as an example of a racemic drug that is proven safe.

Josh Waitzkin - The Cave Process, Advice from Future Selves, and More | The Tim Ferriss Show
Tim Ferriss
Tim Ferriss admits to abusing ephedrine, along with caffeine and aspirin, in high school for wrestling, which led to a decade-plus struggle and became a 'mess.'

How to Lose Fat with Science-Based Tools
Andrew Huberman
A stimulant that increased body temperature and heat by way of adrenergic receptors, but was outlawed due to causing overheating and deaths.

Supercharge Exercise Performance & Recovery with Cooling
Andrew Huberman
A stimulant previously sold over-the-counter that increases body temperature and heart rate, associated with dangerous effects and fatalities.

#05 - Dom D’Agostino, Ph.D.: ketosis, n=1, exogenous ketones, HBOT, seizures, and cancer
Peter Attia MD
Mentioned as a drug that is racemic.

Immune Function, Home-Based Workouts, Fat Burners, and Lifting with Long Limbs (Episode 38)
Stronger By Science
A banned substance in many countries with reported adverse events, generally not recommended as a fat burner.

Dom D'Agostino Returns (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
A stimulant used by divers to clear sinuses, which can also aid in ketosis by releasing fat from adipose tissue and enhancing fat oxidation, but carries risks at high doses and its legality is questioned.