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Vitamin C may boost collagen production, which helps maintain skin elasticity and reduces the appearance of wrinkles and fine lines
While supplements may be appropriate for some people, they may not be safe for everyone, and they could interact with other medications a person is taking
Enhanced DNA repair in lymphocytes of Down syndrome patients: the influence of zinc nutritional supplementation
Interestingly, this has not discouraged multiple research groups testing cysteine prodrugs, such as N-acetylcysteine (NAC), as supplements to increase GSH levels
doi:10.1016/s0928-4257(97)89480-6
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