IS Time's is a Spanish-language newsletter of guest articles from business and fitness professionals, covering sports nutrition, creatine and commercial networking. Its practical guides give concrete timing, dosing and strategy advice, though several pieces promote the authors' own companies or products.
Website: https://www.istimes.org/
Essays by a former SEAL that draw on military history, anthropology and philosophy to examine meaning, mortality, training and purpose. Readers get reflective, literary pieces that pair historical anecdotes with personal field experience.
Evidence-based articles on strength training and muscle growth that dig into individual studies and meta-analyses. Readers get detailed explanations of what the research says about topics like hypertrophy, training volume, intensity and isometric training.
Michael Easter, author of The Comfort Crisis, publishes interviews with researchers and practitioners alongside self-researched explainers on health, fitness, sleep and performance. Readers get evidence-based, practical takeaways on topics like knee pain, sleep myths and challenge-based goal setting.
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.
One short email a week with hand-picked newsletters from the index. Free, no spam, unsubscribe anytime.
