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Head-to-head evidence comparison — which supplement is right for you?
Aged Garlic Extract wins 3 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
13 of 14 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
12 of 14 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Aged Garlic Extract and Red Clover have evidence — compare verdict strength side-by-side.
600-1200mg aged garlic extract
With meals, Split into 2 doses
Kyolic Aged Garlic Extract (most studied)
40-80mg isoflavones daily
With meals, Consistent daily timing
Standardized extract (40mg isoflavones per dose)
8-12 weeks
12+ weeks
4-8 weeks
4-12 weeks
6-12 months
8-12 weeks
Ongoing
Effects of aged garlic extract on blood pressure in hypertensive patients: A systematic review and meta-analysis of randomized controlled trials
Prostaglandins & other lipid mediators (2024) · Meta analysis · n=584
AGE tea supplementation reduces systolic blood pressure (SBP) (WMD: -4.03; %95CI: -6.87, -1.20; I2: 57.1 %) and diastolic blood pressure (DBP) (WMD: -1.44; 95 % CI= -2.87, -0.02; P = 0.052; I2: 36.8 %; P: 0.105).
Effect of garlic extract on markers of lipid metabolism and inflammation in coronary artery disease (CAD) patients: A systematic review and meta-analysis
Phytotherapy research : PTR (2023) · Meta analysis
The standardized mean difference with 95% CI was calculated using fixed-effect or random-effect models.
A meta-analysis of randomized, double-blind, placebo-controlled trials for the effects of garlic on serum lipid profiles
Journal of the science of food and agriculture (2012) · Meta analysis · n=26
Compared with the placebo groups, serum TC and TG levels in the garlic group were reduced by 0.28 (95% CI, -0.45, -0.11) mmol L⁻¹ (P = 0.001) and 0.13 (95% CI, -0.20, -0.06) mmol L⁻¹ (P < 0.001), respectively.
The effectiveness of nutritional supplements in improving polycystic ovary syndrome in women: a systematic review and network meta-analysis
Reproductive biology and endocrinology : RB&E (2025) · Meta analysis · n=5501
Inositol significantly decreased total cholesterol and triglyceride levels, while curcumin was most effective in improving low-density and high-density lipoprotein cholesterol levels.
Role of Phytoestrogen-Rich Bioactive Substances (Linum usitatissimum L., Glycine max L., Trifolium pratense L.) in Cardiovascular Disease Prevention in Postmenopausal Women: A Systematic Review and Meta-Analysis
Nutrients (2022) · Meta analysis
The effect of soy protein on the lipid profile showed a significant decrease in TC levels: WMD = -0.15; 95% CI: -0.25-0.05; p = 0.0048, LDL-C levels: WMD = -0.15; 95% CI: -0.25-0.05; p = 0.0067, as well as a significant increase in HDL-C levels: WMD = 0.05; 95% CI: 0.02-0.08; p = 0.0034.
Neither soy nor isoflavone intake affects male reproductive hormones: An expanded and updated meta-analysis of clinical studies
Reproductive toxicology (Elmsford, N.Y.) (2021) · Meta analysis · n=752
Sub-analysis of the data according to isoflavone dose and study duration also showed no effect.
Meta-analysis shows modest SBP reduction of ~4 mmHg and DBP reduction of ~1.4 mmHg. Effect size is relatively small compared to pharmaceutical interventions. Studies primarily used aged garlic extract forms.
Based on meta-analysis showing statistically moderate reduction in daily hot flash frequency. Effect size is modest and individual response varies significantly.
AI-estimated from published studies. Interpret as directional guidance.
Aged Garlic Extract has a higher evidence score (9/10 vs 8/10) and wins in 3 of 3 categories.
For reduce inflammation, Aged Garlic Extract has a higher relevance score (90 vs 55).
No known interactions between Aged Garlic Extract and Red Clover have been documented in our database. However, always consult a healthcare provider before combining supplements.