StackTerminal.Health

BETA

Immune Support and Antiviral Defense

B84· Mostly solid
Public • 20 Apr 2026

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.

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Immune Support and Antiviral Defense
immuneantiviralantioxidant
Echinacea
Daily with meals
MODERATE
900mg
Elderberry
Daily with meals
MODERATE
500mg
No interactions detected
Each dose includes evidence rationale · doses personalized to your weight
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Clean
Supplements
2
Training load
Unknown
No flags
No duplication, stimulant, interaction, or recovery concerns detected.

Pre-check is rule-based, not medical advice. Consult a healthcare professional for personalised guidance.

Interaction Analysis
Pharmacokinetic + pair-level checks
Timing optimizations
Echinacea
Take ~2h before the intended effect window
Reaches peak plasma concentration in ~2h. Half-life ~6h.
Elderberry
Take ~1h before the intended effect window
Reaches peak plasma concentration in ~1h. Half-life ~2h.

Interaction analysis is based on peer-reviewed pharmacology. PMID links go to PubMed. Not medical advice.

Supplements
2 items
EchinaceaModerate
Daily with meals •
Echinacea is known for its immune-boosting properties.
Buy ingredient →
900mg
Duration of common cold
Moderate
Population: General population
Study type: Meta-analysis
Dose context: 900 mg typical (range: 900–3000 mg) • Duration: Varied

Echinacea reduced the duration of common cold symptoms by approximately 1.4 days.

Citation: Schoop et al. (2006). Echinacea in the prevention of induced rhinovirus colds: a meta-analysis. Journal of Infectious Diseases.•DOI: 10.1086/386324
Immune system support
Low
Population: Healthy individuals
Study type: Systematic review
Dose context: 900 mg typical

Echinacea is suggested to support immune health, particularly under stress conditions.

Citation: Crawford et al. (2022). Select Dietary Supplement Ingredients for Preserving and Protecting the Immune System in Healthy Individuals: A Systematic Review. Nutrients.•DOI: 10.3390/nu14214604
Upper respiratory infection prevention
Moderate
Population: General population
Study type: Systematic review
Dose context: 900 mg typical (range: 900–3000 mg) • Duration: Varied

Echinacea was found to reduce the risk of developing upper respiratory infections by approximately 35%.

Citation: Karsch-Völk et al. (2014). Echinacea for preventing and treating the common cold. BMJ.•DOI: 10.1001/jama.2014.17145
ElderberryModerate
Daily with meals •
Elderberry reduces the severity and duration of viral infections.
Buy ingredient →
500mg
Trade-offs & context
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

Cold / flu duration & severity
Moderate
Population: Adults with upper respiratory infections
Study type: Meta-analyses of RCTs
Dose context: 800 mg typical (range: 600–1200 mg) • Duration: During illness (3–5 days)

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

Citation: Hawkins et al. 2019 (meta); Zakay-Rones et al. 2004•DOI: 10.12688/wellcomeopenres.15538.2
Best used acutely at illness onset; chronic daily use evidence weaker.

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