Creatine for Healthy Aging: What the Research Actually Shows
A practical look at where creatine may fit in a healthy aging routine - covering muscle preservation, cognitive support, and what to look for in a product.
Read more →Condition
Sarcopenia
Age-related loss of muscle mass and strength — a key driver of functional decline.
12 items across all content types
Articles
Strength Training After 40: Why It Matters More Than You Think
Muscle mass declines with age, but resistance training can slow and partially reverse it. Here is how to get started or get back on track.
Read more →Protein Needs After 40: Why You Probably Need More
Research suggests most adults over 40 are under-eating protein. Here is why it matters and practical ways to close the gap.
Read more →Library
The Hormonal Decline Timeline After 40: What Changes, When, and Why It Matters
Testosterone, estrogen, growth hormone, DHEA, and insulin sensitivity all shift after 40 -- not randomly, but in predictable patterns with specific consequences. Understanding the timeline explains why recovery slows, muscle comes off harder, and sleep changes. It also reveals where lifestyle inputs have real hormonal leverage.
Read more →The Hallmarks of Aging: The Biology Behind Why We Get Old
In 2013, a landmark paper defined the molecular and cellular processes that drive aging. Updated in 2022 to 12 hallmarks, this framework is now the foundation of geroscience research -- and understanding it changes how you think about every intervention.
Read more →Understanding Sarcopenia: The Age-Related Muscle Loss You Need to Know About
Sarcopenia -- the progressive loss of muscle mass and strength with age -- is one of the most impactful and least-discussed aspects of aging. Here is what it is, why it happens, and what you can do.
Read more →Protocols
Strength Foundation Protocol
A beginner-friendly framework for building and maintaining muscle — the most important physical investment after 40.
Read more →Protein Foundation Protocol
A practical approach to consistently meeting protein needs — the nutrient most under-consumed by adults over 40.
Read more →Glossary Terms
- Sarcopenia — Healthy Aging Glossary
- Anabolic Resistance — Healthy Aging Glossary
- Cellular Senescence — Healthy Aging Glossary
- Inflammaging — Healthy Aging Glossary