Perio & Hygiene Meta-analysis ✓ Peer reviewed

Efficacy of antioxidants supplementation as an adjunct to non-surgical periodontal therapy: an umbrella meta-analysis.

Odontology · Tang Z, Deng Y, Guo G · 2026-08-26

Researchers reviewed 14 meta-analyses to assess whether antioxidant supplements help with non-surgical periodontal therapy. Antioxidants significantly reduced bleeding on probing but showed no consistent improvement in other key periodontal measurements like probing depth or attachment loss.

A plain-English summary of the study's own findings — we don't add our own claims or interpretation. Read the full paper for the complete methods and results, and apply your own clinical judgement.

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