Can mitochondria slow aging? Separating science from marketing claims

This article examines the biological role of mitochondria and clarifies the scientific reality behind popular anti-aging marketing claims. It explains that while mitochondrial function does decline with age, the process is influenced by lifestyle factors rather than just chronological aging.
Why it matters
It helps consumers navigate the growing market of longevity supplements by distinguishing between proven biological functions and unverified health claims.
If in the past the term was familiar mainly to biology students, doctors and researchers, today the word mitochondria can be seen almost everywhere — from podcasts and social media to dietary supplement advertisements and conversations about healthy aging. Some refer to mitochondria as “the key to longevity,” while others present them as the primary target of innovative supplements. At times, it may even seem that simply improving their function could slow the aging process. However, the reality is far more complex than the marketing messages suggest. To understand the full picture, it is first necessary to understand what mitochondria actually are. Mitochondria can be thought of as the “power plants” of the body’s cells. They convert energy from food into usable energy that the body can use.
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