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SupplementScience

Elderberry Side Effects & Safety

This content is for informational purposes only and does not constitute medical advice. Consult your healthcare provider before starting any supplement. Full disclaimer

Safety Profile

Overall safety rating: Generally Safe

Potential Side Effects

  • Very well-tolerated in processed/cooked forms
  • Mild GI upset (nausea, cramping) in some individuals
  • Raw elderberries and unripe fruit contain cyanogenic glycosides — NEVER consume raw elderberry
  • Rare allergic reactions in individuals sensitive to the Adoxaceae/Caprifoliaceae plant family

Drug & Supplement Interactions

  • Immunosuppressants — elderberry stimulates immune function and may counteract immunosuppressive therapy
  • Diabetes medications — elderberry may lower blood sugar; monitor glucose if combining
  • Diuretics — elderberry has mild diuretic properties; may have additive effects

Maximum Dose

Do not exceed: No established upper limit; clinical trials have used up to 1200mg/day without adverse effects

References

  1. (). Black elderberry (Sambucus nigra) supplementation effectively treats upper respiratory symptoms: a meta-analysis of randomized, controlled clinical trials. Complementary Therapies in Medicine. DOI
  2. (). Elderberry supplementation reduces cold duration and symptoms in air-travellers: a randomized, double-blind placebo-controlled clinical trial. Nutrients. DOI