The Proof — or Lack Thereof We asked Dr. Valerie Goldburt, a board-certified dermatologist with Advanced Dermatology PC, if there was any concrete scientific proof that taking collagen supplements improved skin quality.
"No," she said. "Studies show ingesting collagen increases collagen-specific peptides in the bloodstream immediately after, but no one has demonstrated a benefit to the skin."
Black agreed completely, saying, "Orally ingested hydrolyzed collagen is thought to have some antioxidant properties and possible reparative benefits, but there have been no publications in peer-reviewed journal articles with evidenced-based research demonstrating any benefit to the skin."
She also added that it's unclear how ingesting large quantities of collagen may affect us, including whether doing so could have detrimental effects. That's definitely something to think about before scooping powder into your daily protein drink.
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