Hormones on the Joe Rogan Experience
4 fact-checked claims across 4 episodes · Nov 2017 to Jan 2018 · updated Jul 20, 2026
Each is a receipt: the exact quote, its timestamp, what published evidence says, and who benefits.
Most claims
- Dr. Michael Hart (1)
- Dr. Mark Gordon (1)
- Ben Greenfield (1)
- Dr. Rhonda Patrick (1)
Related topics
Logged claims
“it can decrease your gonadotropins, which can stimulate your testosterone level by like 25%.”
The guest claims NSAID use can decrease gonadotropins in a way that affects testosterone levels by around 25%, citing a study he says he needs to double-check.
“So they found in 61% of these people who were still depressed with atypical depression that they had growth hormone deficiency.”
Dr. Mark Gordon claims a study found 61% of people with medication-resistant (atypical) depression had growth hormone deficiency, which resolved after hormone replacement.
“And so they've done these studies on testicular and sperm production. And they found that there's a wavelength. It's like 600 to 800 nanometers wavelength of l…”
Greenfield claims studies show that exposing the testicles to 600-800 nanometer red/near-infrared light for 5 to 20 minutes daily boosts sperm production and (per his follow-up) testosterone via stimulation of Leydig cells.
“There's studies in men where like they give men 75 grams of refined sugar and their testosterone drops by 25%. I mean, it's changing a lot of things, you know,…”
Rhonda Patrick claims a study found giving men 75 grams of refined sugar caused a 25% drop in testosterone.