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Head-to-head evidence comparison — which supplement is right for you?
Aged Garlic Extract wins 2 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
3 of 3 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Aged Garlic Extract and Indole-3-Carbinol 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)
200-400mg daily
With food (reduces GI upset), Divided into 2 doses
I3C capsules or DIM (more stable)
8-12 weeks
12+ weeks
4-8 weeks
4-8 weeks
1-2 cycles
2-4 weeks
Acute
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.
Do Brassica Vegetables Affect Thyroid Function?-A Comprehensive Systematic Review
International journal of molecular sciences (2024) · Systematic review
We analyzed the results of 123 articles of in vitro, animal, and human studies, describing the impact of brassica plants and extracts on thyroid mass and histology, blood levels of TSH, T3, T4, iodine uptake, and the effect on thyroid cancer cells.
Indole-3-Carbinol: Occurrence, Health-Beneficial Properties, and Cellular/Molecular Mechanisms
Annual review of food science and technology (2023) · Systematic review
One of its main in vivo metabolites is 3,3'-diindolylmethane (DIM), formed by the condensation of two molecules of I3C.
WWP1 E3 ligase at the crossroads of health and disease
Cell death & disease (2023) · Systematic review
In this review, we discuss the evolutionary perspective, structure, and functions of WWP1 and its multilevel regulation by various regulators.
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 single crossover RCT (n=148) showing significant improvement in 2-OHE1:16α-OHE1 ratio with I3C-containing supplement. Conservative estimates due to limited dose-response data and small study population. GI upset is primary dose-limiting side effect.
AI-estimated from published studies. Interpret as directional guidance.
Aged Garlic Extract has a higher evidence score (9/10 vs 7.5/10) and wins in 2 of 3 categories.
For reduce inflammation, Aged Garlic Extract has a higher relevance score (90 vs 60).
No known interactions between Aged Garlic Extract and Indole-3-Carbinol have been documented in our database. However, always consult a healthcare provider before combining supplements.