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Elderberry

Anthocyanin-rich berry (Sambucus nigra) with antiviral & immune-modulating properties; evidence mostly for cold/flu duration.

immuneantiviralantioxidantdaily

Evidence last reviewed: 04 Apr 2026

Evidence
1 record
1 recordBest grade:Moderate

The evidence suggests that elderberry can effectively reduce the duration and severity of cold and flu symptoms, particularly when taken at the onset of illness. However, most studies focus on acute use, and there is limited research on long-term effects or specific populations.

Cold / flu duration & severity
Adults with upper respiratory infections · Meta-analyses of RCTs
Moderate

Reduces cold/flu duration by ~2 days & severity; best evidence for acute use at illness onset.

Dose: 800 mgDuration: During illness (3–5 days)Timing: at illness onset
Best used acutely at illness onset; chronic daily use evidence weaker.
Stacks containing Elderberry
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immuneantiviralantioxidant

Combining Echinacea with Elderberry can enhance immune function and provide antiviral defense. Echinacea is known for its immune-boosting properties, while Elderberry has been shown to reduce the severity and duration of viral infections.

Echinacea
900mg
Elderberry
500mg
New
View
immuneantiviraldaily

Elderberry & chaga mushroom are combined to support immune function & provide antiviral benefits. Elderberry is known for its immune-boosting properties, while chaga mushroom offers antioxidant & immune support.

Elderberry
500mg
Chaga Mushroom
1000mg
New
View
Community Insights
Forms & usage
How to take it

Take standardized elderberry extract at the onset of symptoms, typically 300-600 mg daily.

Elderberry extract (Sambucol)
Most studied branded form.
Elderberry syrup / gummies
Variable anthocyanin content — check standardisation.
Safety & trade-offs3
Interaction

Immune-stimulating activity may worsen autoimmune conditions (lupus, RA, MS) — use with caution

Note

Raw or unripe elderberries are toxic (cyanogenic glycosides) — only use standardised, processed products

Interaction

May interact with immunosuppressants — possible antagonism of therapeutic effect

High  Moderate   Low / note

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