Glucagon Peptide Mechanism: Counteracting Insulin to Enable Lipolysis
Glucagon is described as the physiological antithesis of insulin, with the two hormones existing in constant dynamic balance in healthy metabolism. The speaker explains that most insulin-resistant Americans live in a chronically insulin-dominant state, suppressing glucagon's lipolytic effects. Rebalancing toward glucagon activity — whether through fasting, movement, or pharmacological agents like retatrutide — is presented as the core mechanism for enabling fat oxidation and muscle preservation.