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Head-to-head evidence comparison — which supplement is right for you?
Aged Garlic Extract and Evening Primrose Oil are closely matched across evidence, studies, and safety.
Verdict
Likely helps
13 of 14 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mostly mechanism / observational
2 of 2 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (1)
Outcomes where both Aged Garlic Extract and Evening Primrose Oil 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)
1000-3000mg (providing 80-240mg GLA)
With meals containing fat
Softgels (cold-pressed oil)
8-12 weeks
12+ weeks
4-8 weeks
2-3 cycles
2-3 cycles
8-12 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.
Oral evening primrose oil and borage oil for eczema
The Cochrane database of systematic reviews (2013) · Meta analysis · n=1596
With regard to the risk of bias, the majority of studies were of low risk of bias; we judged 67% of the included studies as having low risk of bias for random sequence generation; 44%, for allocation concealment; 59%, for blinding; and 37%, for other biases.
Breast pain
BMJ clinical evidence (2011) · Systematic review
Systematic review examining Evening Primrose Oil efficacy
Pre-eclampsia, eclampsia, and hypertension
BMJ clinical evidence (2011) · Systematic review
Systematic review examining Evening Primrose Oil efficacy
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 of oral evening primrose oil for eczema (n=1596). Effect size is conservative given mixed quality of studies and modest clinical improvements typically seen.
AI-estimated from published studies. Interpret as directional guidance.
Both Aged Garlic Extract and Evening Primrose Oil are closely matched — the best choice depends on your specific health goals.
For reduce inflammation, Aged Garlic Extract has a higher relevance score (90 vs 55).
No known interactions between Aged Garlic Extract and Evening Primrose Oil have been documented in our database. However, always consult a healthcare provider before combining supplements.