Glutathione is a small protein of three amino acids that cells use as their main internal antioxidant. It is often called the reference antioxidant, because it is the benchmark people look at when assessing how well a cell is protected from oxidative stress. With age, glutathione levels tend to decline, and this is one reason the topic draws interest in the context of longevity.
What oxidative stress is
Every cell produces energy each day, and a by-product of that process is reactive oxygen species. In moderate amounts they are needed, but an excess damages proteins, lipids and DNA. This imbalance is called oxidative stress, and it accumulates over the years.
The role of glutathione
Glutathione, GSH for short, works as a molecule that neutralises excess reactive oxygen species and helps regenerate other antioxidants such as vitamins C and E. So it is not a lone player but part of a whole redox-balance system on which the state of the cell depends.
Why the level drops with age
Researchers note that the concentration of glutathione in tissues declines over the years, while the need for antioxidant defence, on the contrary, grows. This mismatch is what makes the topic interesting for the science of aging. It is worth stressing: this is a field of research, not a set of ready recipes.
A place in the Evity approach
Within the logic of healthy aging, glutathione represents the theme of cellular defence alongside NAD+-based energy metabolism and immune resilience. It is a basic, well-recognised element that many people start their longevity journey with.
Purity you can see
For an antioxidant that has to work subtly, the real purity of the composition is essential. Evity sends samples for independent lab testing and opens the COA certificates in a public archive, so the composition can be checked before purchase.
Glutathione remains one of the anchor topics in the conversation about oxidative stress and aging. It is not a trend of the season but a fundamental molecule worth understanding.