FDA banned 19 peptides in 2023, but RFK Jr. is reversing the decision—Dr. Alex Tatem reveals what peptides actually do, why Big Pharma fought to suppress them, and how 30 million men with erectile dysfunction are missing the most effective treatment. Peptides are synthetic amino acid chains that target specific cellular receptors with precision, offering breakthroughs in weight loss, injury healing, cognitive function, and metabolic health that pharmaceutical companies can't patent or profit from. Peptides are targeted molecular keys that bind to specific cellular locks, offering therapeutic precision that broad-spectrum drugs cannot achieve, with safety profiles so strong that no lethal dose has been established for compounds like BPC157. The FDA's 2023 ban of 19 compoundable peptides appears driven by pharmaceutical lobby pressure rather than safety data, as these medications had been safely prescribed for years with no adverse events documented in clinical practice.