Healthy Aging Guides
Learn the signals behind your Aging Well Index.
Short, source-backed explanations of the pillars and biomarkers Agefully tracks, written for action rather than medical diagnosis.
Nutrition Pillar
Nutrition for healthy aging: protein, plants, fiber and hydration
Learn how protein, plant diversity, fiber, omega-3 foods, hydration and lower added sugar support healthier aging habits.
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Fitness Biomarker
VO2 max and cardiorespiratory fitness: what the number means
VO2 max is a cardiorespiratory fitness marker connected to heart health, exercise capacity and aging-well routines.
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Sleep Pillar
Sleep stages, recovery and why consistency matters
Understand REM, deep sleep, sleep consistency and how Agefully turns sleep into a practical recovery signal.
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Skin Pillar
Skin aging, SPF habits and daily protection
Learn why UV exposure, smoking/vaping, hydration and consistent skin routines matter for healthy-looking skin.
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Mindfulness Pillar
Stress, HRV, mood and mindfulness as recovery signals
Learn how stress, mood, HRV, coffee and calm sessions can help users understand recovery patterns.
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Agefully Guide
What is the Aging Well Index?
A plain-English guide to Agefully's Aging Well Index, habit age estimate and the biomarker-style signals behind the app.
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