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The Tim Ferriss Show #825 · September 2, 2025 · 1h 55m

Dr. Dominic D'Agostino — All Things Ketones, How to Protect the Brain and Boost Cognition, Sardine Fasting, Diet Rules, Revisiting Metformin and Melatonin, and More

D'Agostino's second appearance in this backfill. Ketones for brain protection and cognition, sardine fasting, diet rules, metformin and melatonin revisited.

Curious

Continued discussion of ketones for brain health and cognition. Another independent reference.

Misc

D'Agostino's 5th+ appearance on the Ferriss show
Sardine fasting — a specific fasting protocol using only sardines
Revisits metformin and melatonin with updated evidence