BioStacksBest Echinacea for Immune
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Clinical dose: 300–1500 mg
Why Echinacea for Immune
For immune support, Echinacea is a supporting ingredient backed by research. Echinacea is a widely used immune-support herb. ERA-PRIMA 2024 meta-analysis (30 RCTs, n=5652) found 25–32% reduced respiratory infection risk and 40% reduced antibiotic use.
How much echinacea do you need
Research points to 300–1500 mg as the effective range for echinacea. Prevention: 300–500 mg/day standardized extract. Acute treatment: 900–1500 mg/day at cold onset. Lower doses may provide some benefit, but most studies showing clear results used this range.
The evidence behind echinacea
Research supporting echinacea for immune is rated as moderate. Meta-analyses of 14-30 trials show 25-58% reduced cold risk, but Cochrane found only 'possible weak benefit' Learn more
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