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A 2001 RCT by Nusgens and colleagues published in the Journal of Investigative Dermatology (N=33) used punch biopsy to demonstrate that topical vitamin C significantly increases mRNA levels of collagen I, collagen III, and tissue inhibitor of metalloproteinase-1 (TIMP-1) in the human dermis direct molecular evidence of collagen gene upregulation at the tissue level
Vitamin K2 MK7 maintain calcium density in bones and keep bones strong and healthy
What is glutathione and why does it matter
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