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Head-to-head evidence comparison — which supplement is right for you?
Aged Garlic Extract wins 1 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
5 of 5 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Aged Garlic Extract and Butyrate 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)
300-600mg sodium/calcium butyrate, 2-3x daily
With meals, Spread throughout day
Enteric-coated sodium or calcium butyrate
8-12 weeks
12+ weeks
4-8 weeks
2-4 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.
Perturbations in Gut Microbiota Composition in Psychiatric Disorders: A Review and Meta-analysis
JAMA psychiatry (2021) · Meta analysis · n=1519
There was a small decrease in phylogenetic diversity (SMD = -0.24; 95% CI, -0.47 to -0.001) and no significant differences in Shannon and Simpson indices.
Dietary fiber intervention on gut microbiota composition in healthy adults: a systematic review and meta-analysis
The American journal of clinical nutrition (2018) · Meta analysis · n=2099
Dietary fiber intervention, particularly involving fructans and galacto-oligosaccharides, leads to higher fecal abundance of Bifidobacterium and Lactobacillus spp. but does not affect α-diversity.
Efficacy of a postbiotic and its components in promoting colonic transit and alleviating chronic constipation in humans and mice
Cell reports. Medicine (2025) · Animal · n=110
A randomized, double-blind, placebo-controlled crossover trial involving 110 adults with chronic constipation (Rome IV criteria) demonstrates that a 3-week Probio-Eco intervention significantly improves constipation symptoms, stool straining, and worry scores.
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 SCFA studies showing 44% butyrate increase with Mediterranean diet intervention and gut barrier integrity improvements. Conservative estimates due to limited direct butyrate supplementation RCTs. Effectiveness varies significantly by form - tributyrin forms may show higher bioavailability.
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 1 of 3 categories.
For reduce inflammation, Butyrate has a higher relevance score (95 vs 90).
No known interactions between Aged Garlic Extract and Butyrate have been documented in our database. However, always consult a healthcare provider before combining supplements.