Physician-led monographs on individual supplements for men's health, such as vitamin B12, fenugreek and bacopa. Each issue grades the clinical evidence, separates marketing claims from trial results, and notes regulatory status.

A newsletter on ketogenic and carnivore diets, covering ketone physiology, vitamin A toxicity and experimental interventions, with citations to the scientific literature. Issues range from in-depth argument on a single question to brief notes on substances the author has tried.

A weekly serial that reads through James Salisbury's nineteenth-century book on diet and disease, chapter by chapter. It sets his claims about meat-and-hot-water regimens in historical context and checks them against what modern medicine knows.

A newsletter from a former New York Times journalist and health coach covering strength training, nutrition and longevity, with video demonstrations, recipes and commentary on health information. Readers get critical takes on fitness and longevity claims, quick whole-food recipe videos, and occasional audiocasts.