HMB
Hydroxymethylbutyrate, studied in combination with ATP, with reported effects comparable in magnitude to steroids, raising skepticism.
Videos Mentioning HMB

Betaine, Sodium Bicarbonate, and Evaluating New Research as it Develops (Episode 45)
Stronger By Science
A supplement whose early research was highly controversial due to astronomically exaggerated positive findings, making it a poor comparison for betaine's modest effects.

Eric reviews the ATP supplementation research
Stronger By Science
Hydroxymethylbutyrate, studied in combination with ATP, with reported effects comparable in magnitude to steroids, raising skepticism.

Drug Testing, New Supplement Research, Squat Science, and Dr. Eric Helms (Podcast Episode 8)
Stronger By Science
A supplement previously researched by Peter H. Fitschen. Two new studies show minimal effects on hypertrophy, suggesting previous claims of enormous changes were atypical.

Creatine, Genetics, and Dr. Peter Fitschen (Podcast Episode 1)
Stronger By Science
A supplement that Peter Fitschen studied in his PhD; its efficacy, especially for lean mass gains, is discussed.