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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
Mixed evidence
1 of 3 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Aged Garlic Extract and Nattokinase 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)
2000-4000 FU (fibrinolytic units)
On empty stomach or between meals
Capsules standardized to FU
8-12 weeks
12+ weeks
4-8 weeks
2-8 weeks
4-8 weeks
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.
Research Progress of Nattokinase in Reducing Blood Lipid
Nutrients (2025) · Systematic review
Large-scale clinical trials have confirmed that nattokinase significantly improves the lipid profile and reduces the atherosclerotic plaque area and intima-media thickness with a favorable safety profile.
Navigating the Effects of Anti-Atherosclerotic Supplements and Acknowledging Associated Bleeding Risks
International journal of molecular sciences (2025) · Systematic review
Omega-3 fatty acids, berberine, garlic, and nattokinase exert favorable metabolic and vascular effects, yet their clinical efficacy depends on formulation, dosage, and patient characteristics and may be limited by bleeding risk or drug interactions.
Fermented Fruits, Vegetables, and Legumes in Metabolic Syndrome: From Traditional Use to Functional Foods and Medical Applications
Nutrients (2025) · Systematic review
Fermented fruits and vegetables, including table olives, caper fruits, and kimchi, contain polyphenols and probiotic bacteria, which are beneficial in terms of obesity and impaired glucose and lipid metabolism.
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 fibrinolytic activity demonstrated in multiple studies. Conservative estimate given limited direct circulation measurements. One RCT (n=153) showed clinical symptom improvement. Bleeding risk may increase with dose due to fibrinolytic mechanism.
AI-estimated from published studies. Interpret as directional guidance.
Aged Garlic Extract has a higher evidence score (9/10 vs 8.5/10) and wins in 3 of 3 categories.
For support heart health, Nattokinase has a higher relevance score (88 vs 78).
No known interactions between Aged Garlic Extract and Nattokinase have been documented in our database. However, always consult a healthcare provider before combining supplements.