Its a moment that dictates the concentration, dosage accuracy, and ultimately, the validity of the data that follows
However, topical skincare applications face additional challenges that laboratory conditions do not replicate
It is naturally produced in nearly every cell of the body and plays a central role in: Neutralizing free radicals that cause oxidative stress and cellular damage Supporting liver detoxification , particularly in Phase II detox pathways Regulating the immune system , helping balance inflammation and defense Repairing DNA and proteins , essential for anti-aging and longevity Because of its central role in cellular defense, glutathione is often called the master antioxidant. However, levels can drop due to aging, chronic stress, poor diet, toxin exposure, or genetic variants like MTHFR , which can limit glutathione recycling
It is also unclear whether NAC, as an antioxidant, may alter cancer treatment effectiveness
Since these cells are the most resistant cells to chemotherapy and radiotherapy within the tumor [17], they are considered as responsible for tumor relapse [15]