Enhanced protein glutathiolation and oxidative stress in cigarette smokers
But researchers modified three key positions to dramatically extend its half-life
References Abinandan, S., Subashchandrabose, S
Above 2% there is no additional human evidence of benefit, and a higher copper load raises tolerability questions without established upside
Chronic inflammation, oxidative stress, and ferroptosis are thought to induce chondrocytes to excessively generate catabolic factors, resulting in the degradation of chondrocytes and ECM, hence accelerating the degeneration of articular cartilage in OA [41-46]
That gives you the concentration in mg/mL