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Head-to-head evidence comparison — which supplement is right for you?
Apigenin vs Soy Isoflavones: Soy Isoflavones has the stronger overall evidence (6 vs 4/10); they're alternatives for menopause support — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Soy Isoflavones wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
3 of 5 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
11 of 13 studies with measurable effects showed benefit.
Top outcomes
50mg before bed
30-60 minutes before bed
Apigenin extract capsules
40-80mg isoflavones daily
Divided doses with meals, Consistent daily timing
Standardized soy isoflavone extract
30-60 minutes
30-60 minutes
N/A
4-12 weeks
6-12 months
8-12 weeks
Initial use
Efficacy and potential pharmacological mechanism of Astragalus-Salvia miltiorrhiza combination in diabetic nephropathy: integrating meta-analysis, network pharmacology, molecular docking, and experimental validation
Renal failure (2025) · Meta analysis · n=1443
Meanwhile, when the treatment duration exceeds 12 weeks, AS demonstrated a significant reduction in fasting blood glucose levels, indicating a time-dependent effect.
Levodopa and Plant-Derived Bioactive Compounds in Parkinson's Disease: Mechanisms, Efficacy, and Future Perspectives
CNS neuroscience & therapeutics (2025) · Systematic review
Although levodopa is indispensable for the symptomatic management of PD, emerging evidence supports the integration of plant-derived bioactive compounds as adjunct therapies with disease-modifying potential.
Dietary Flavonoids and the Risk of Colorectal Cancer: An Updated Meta-Analysis of Epidemiological Studies
Nutrients (2018) · Meta analysis · n=12
High intake of dietary flavonols, flavones and anthocyanidins may decrease the risk of colorectal cancer; the pooled odds ratio (OR) for the highest intake compared with the lowest was 0.70 (0.54⁻0.90), 0.79 (0.83⁻0.99) and 0.78 (0.64⁻0.95), respectively.
Soy isoflavones prevent bone resorption and loss, a systematic review and meta-analysis of randomized controlled trials
Critical reviews in food science and nutrition (2020) · Meta analysis · n=5313
Soy isoflavones prevent osteoporosis-related bone loss in any weight status or treatment duration.
Effect of Soy Isoflavones on Measures of Estrogenicity: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Advances in nutrition (Bethesda, Md.) (2025) · Meta analysis · n=3285
Addressing public health concerns may promote soy foods as high-quality plant protein sources with low environmental impact and cost, particularly benefiting postmenopausal women and aligning with sustainable dietary patterns and guidelines.
Effects of soy isoflavones on menopausal symptoms in perimenopausal women: a systematic review and meta-analysis
PeerJ (2025) · Meta analysis · n=533
In October 2024, we screened 2,099 articles, of which 12 were eligible for meta-analysis, and found that soy isoflavones were effective for treating menopausal symptoms (seven studies, 533 participants, Hedges' g = -0.25, 95% CI [-0.42 to -0.08], p = 0.00).
Based on preclinical studies showing neuroinflammation inhibition and lung injury models. Human clinical data lacking. Effects may vary significantly based on bioavailability and individual response.
Meta-analysis of 533 participants showed effectiveness for menopausal symptoms. Effect size appears modest and heterogeneity was noted across studies. Individual response varies significantly.
AI-estimated from published studies. Interpret as directional guidance.
Soy Isoflavones has a higher evidence score (6/10 vs 4/10) and wins in 2 of 3 categories.
For menopause support, Soy Isoflavones has a higher relevance score (90 vs 50).
No known interactions between Apigenin and Soy Isoflavones have been documented in our database. However, always consult a healthcare provider before combining supplements.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.