And supplements have a downside: They aren’t strictly regulated by the Food and Drug Administration ... of collagen ...
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Verywell Health on MSNCollagen Supplements Aren’t All the Same—How to Choose the Best One for Skin & HealthUnlike drugs, dietary supplements are not pre-approved by the Food and Drug Administration ... metals like mercury? That lack of transparency is major,” Katta told Verywell. Collagen supplements ...
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