Kratom
A plant whose leaves, when chewed, provide a balanced stimulant and relaxation effect, often contrasted with isolated extracts.
Videos Mentioning Kratom

Build Muscle & Strength & Forge Your Life Path | Dorian Yates
Andrew Huberman
A plant whose leaves, when chewed, provide a balanced stimulant and relaxation effect, often contrasted with isolated extracts.

AMA #9: Kratom Risks, Does Infrared Sauna Work & Journaling Benefits
Andrew Huberman
A substance from the Mitragyna speciosa tree, acting as a mild stimulant at low doses and analgesic/sedative at higher doses. It is an opioid.

Dr. Andrew Weil — The 4-7-8 Breath Method, How to Emerge from Depression, & More
Tim Ferriss
A substance containing mitragynine that hits opiate receptors, used in Indonesia for opioid dependence. Dr. Weil has heard of dependencies and misuse concerns but is not an expert and recommends a Hamilton's Pharmacopoeia episode for more info.

#28–Mark & Chris Bell: steroids, powerlifting, addiction, diet, training, & helping others live well
Peter Attia MD
A plant from Southeast Asia used by many, including Chris Bell, as a pre-workout to manage pain, enhance focus, and reduce reliance on opioids. Featured in Chris Bell's documentary 'A Leaf of Faith'.