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Vitamin C also supports the absorption of iron, while preventing its oxidation [21,22]

Serotonin is an intermediate product in the production of melatonin, and melatonin is a metabolite of serotonin

Beyond its role as a glutathione precursor, NAC has unique benefits, such as: Respiratory support : NAC helps thin mucus and improve lung function Neuroprotection : It influences glutamate regulation in the brain, which may support mood and cognitive health Detoxification : NAC directly binds to certain toxins, making them less harmful Antioxidant activity : NAC can directly scavenge free radicals, though less potently than glutathione itself Key Distinction In short: Glutathione = the end product , the bodys main antioxidant and detox molecule