Exploring the cutting edge of human lifespan extension, this tier list ranks the most promising longevity interventions. From established practices like caloric restriction and intermittent fasting, to emerging therapies such as senolytics and NAD+ boosters, we're diving deep into what could help us live longer, healthier lives. Discover which strategies are poised to make the biggest impact, based on scientific evidence and potential efficacy. Whether you're curious about supplements, lifestyle changes, or futuristic medical advancements, this guide offers a clear overview of the landscape of life extension.