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Challenges and opportunities in delivering oral peptides and proteins
In these cases, injections improve laboratory markers and help resolve symptoms tied to deficiency, such as fatigue, anemia, and certain neurological issues
Lancet 398, 21262128
It is also preferred if collagen supplements contain vitamin C, hyaluronic acid, biotin, or vitamin E
Matsuda, Y
Together, they help convert destructive molecules, including free radicals, into harmless compounds
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