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Head-to-head evidence comparison — which supplement is right for you?
Echinacea wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
4 of 7 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
6 of 11 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Andrographis and Echinacea have evidence — compare verdict strength side-by-side.
400mg extract (standardized to 10-30% andrographolides), 3x daily for acute use
At first sign of cold symptoms, With meals
Standardized extract (10-30% andrographolides)
300-500mg extract 3x daily at first symptoms, OR 2.5ml tincture 3x daily
At first sign of symptoms, Multiple times daily during illness
Standardized extract (4% echinacosides or standardized alkylamides)
2-5 days
2-5 days
2-5 days
With continuous use
When taken at onset
Herbal Medicines for the Treatment of Active Ulcerative Colitis: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis
In pooled analyses, when compared with placebo, clinical response rates were significantly higher for Indigo naturalis (IN) (RR 3.70, 95% CI 1.97-6.95), but not for Curcuma longa (CL) (RR 1.60, 95% CI 0.99-2.58) or Andrographis paniculata (AP) (RR 0.95, 95% CI 0.71-1.26).
Safety of Andrographis paniculata: A systematic review and meta-analysis
Pharmacoepidemiology and drug safety (2021) · Meta analysis · n=1000
Incidence of serious AEs was very rare with the pooled incidence (95% CI) from RCTs of 0.02 per 1000 patients (0.0-0.5).
A double-blind, randomized, placebo-controlled study to assess the efficacy of Andrographis paniculata standardized extract (ParActin®) on pain reduction in subjects with knee osteoarthritis
Phytotherapy research : PTR (2019) · Rct · n=103
Patients treated with 300 or 600 mg/day of ParActin® showed a significant reduction in pain at days 28, 56, and 84 compared with a placebo group.
Identifying immunostimulatory herbal supplements that may flare autoimmune skin diseases: a systematic scoping review
Lupus science & medicine (2025) · Systematic review · n=469
We identified 227 herbal supplements with immunostimulatory properties, of which 15 were most strongly supported by the evidence.
Echinacea Supplementation Does Not Impact Aerobic Capacity and Erythropoiesis in Athletes: A Meta-Analysis
Nutrients (2024) · Meta analysis · n=107
There was also no statistically significant change in erythropoietin (effect size -0.29, p = 0.05, 95% CI -0.75-0.17, I2 = 67%) or maximal oxygen uptake (effect size -0.20, p = 0.95, 95% CI -0.60-0.21, I2 = 0%).
Select Dietary Supplement Ingredients for Preserving and Protecting the Immune System in Healthy Individuals: A Systematic Review
Nutrients (2022) · Systematic review
Immune health products represent approximately 10% of all US dietary supplement sales.
Based on RCT showing significant improvement in cough (SMD -0.39) and sore throat symptoms. Conservative effectiveness estimates due to moderate effect sizes in meta-analysis of respiratory infections.
Based on meta-analyses showing modest SMD of -0.19. Significant heterogeneity between products tested. Evidence stronger for E. purpurea aerial parts preparations.
AI-estimated from published studies. Interpret as directional guidance.
Echinacea has a higher evidence score (9/10 vs 8.5/10) and wins in 3 of 3 categories.
For support immune system, Andrographis has a higher relevance score (90 vs 85).
No known interactions between Andrographis and Echinacea have been documented in our database. However, always consult a healthcare provider before combining supplements.