Black Elderberry Syrup for Antioxidant Support

Research suggests that elderberry extract contains bioactive compounds, particularly phenolics, that contribute measurable antioxidant activity, based on a 2025 food science study examining elderberry extract added to yogurt at varying concentrations. That study found elderberry enrichment significantly increased total phenolic content and antioxidant capacity in the yogurt samples, with these properties remaining stable over a 21-day storage period. The available evidence here consists of a single food application study rather than clinical trials in humans, which is an important limitation when drawing conclusions about antioxidant support in people who consume elderberry syrup as a supplement. Studies of this kind can demonstrate the presence and stability of antioxidant compounds in elderberry preparations, but broader human research would be needed to understand how those compounds behave and function in the body.