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Head-to-head evidence comparison — which supplement is right for you?
Andrographis vs Cranberry Extract: Cranberry Extract has the stronger overall evidence (6 vs 7/10); they're alternatives for support immune system — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Cranberry Extract wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
3 of 4 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mixed evidence
2 of 5 studies with measurable effects showed benefit.
Top outcomes
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)
36mg PACs (proanthocyanidins) or 400-500mg extract standardized to PAC content
Morning and evening, With or without food
Extract standardized to 36mg PACs (A-type)
2-5 days
2-5 days
2-5 days
Ongoing
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
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.
Cranberries for preventing urinary tract infections
Cochrane Database of Systematic Reviews (2023) · Systematic review · n=8857
Fifth update of the Cochrane review; 50 included studies with 8857 randomised participants.
Consumption of cranberry as adjuvant therapy for urinary tract infections in susceptible populations: A systematic review and meta-analysis with trial sequential analysis
PloS one (2021) · Meta analysis · n=3979
Meta-analysis of 23 trials with 3979 participants.
Supplementation with Highly Standardized Cranberry Extract Phytosome Achieved the Modulation of Urinary Tract Infection Episodes in Diabetic Postmenopausal Women Taking SGLT-2 Inhibitors: A RCT Study
Nutrients (2024) · Rct · n=46
Considering UTI episodes, during the six-month supplementation period, an increase of 1.321 (95% CI: -0.322; 2.9650) was observed in the placebo group, while it remained at a steady value of 0.393 (95% CI: -4.230; 5.016) in the supplemented group.
Two placebo-controlled trials of the same standardised extract (KalmCold, also sold as AP-Bio). At 200 mg a day, 223 adults with an uncomplicated upper respiratory infection had lower overall symptom scores than placebo by day 5 (PMID 20092985). In a 300-person trial of 200 or 400 mg a day for 7 days, both doses lowered symptom scores on day 3 by the same amount, with no difference on days 5 and 7, and no participant reported adverse physical symptoms (PMID 36842634). 400 mg was no better than 200 mg, so the curve is flat and no optimal dose is given. The respiratory infection meta-analysis (PMID 28783743) reports symptom benefits but no doses, so it is not plotted.
AI-estimated from published studies. Interpret as directional guidance.
Cranberry Extract has a higher evidence score (6/10 vs 7/10) and wins in 2 of 3 categories.
For support immune system, Andrographis has a higher relevance score (90 vs 85).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.