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Head-to-head evidence comparison — which supplement is right for you?
Vitamin B12 wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Probably helps
7 of 11 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
12 of 17 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Ginkgo Biloba and Vitamin B12 have evidence — compare verdict strength side-by-side.
120-240mg standardized extract
With meals, Split into 2-3 doses
Standardized extract capsules (EGb 761)
500-1000mcg daily for maintenance; higher for deficiency
Morning (may be energizing), With or without food
Methylcobalamin (sublingual)
4-6 weeks
4-8 weeks
First week
2-4 weeks
4-8 weeks
Weeks to months
Can We Use Ginkgo biloba Extract to Treat Alzheimer's Disease? Lessons from Preclinical and Clinical Studies
Cells (2022) · Meta analysis · n=2100
GBE was shown to reduce the escape latencies in several studies, in both rats and mice (I2 > 70%, p < 0.005).
Beneficial effects of Ginkgo biloba leaf extract on inflammatory markers: A systematic review and meta-analysis of the clinical trials
Phytotherapy research : PTR (2022) · Meta analysis · n=1104
In the meta-analysis, the weighted mean differences (WMD) in change for serum CRP were -1.5 mg/L (95% CI: -2.16, -0.85, p < 0.001).
Miscellaneous treatments for antipsychotic-induced tardive dyskinesia
The Cochrane database of systematic reviews (2018) · Meta analysis · n=1278
Studies were primarily of short (three to six6 weeks) duration with small samples size (10 to 157 participants), and most (61%) were published more than 20 years ago.
Efficacy of different routes of vitamin B12 supplementation for the treatment of patients with vitamin B12 deficiency: A systematic review and network meta-analysis
Irish journal of medical science (2024) · Meta analysis · n=4275
Regarding the hemoglobin level, the pooled effect sizes showed no difference between all routes of administration that could reach statistical significance.
Dosage exploration of combined B-vitamin supplementation in stroke prevention: a meta-analysis and systematic review
The American journal of clinical nutrition (2024) · Meta analysis · n=76664
In areas without and with partial folic acid fortification, combined B-vitamin supplementation significantly reduced the risk of stroke by 34% [RR: 0.66; 95% confidence interval (CI): 0.50, 0.86] and 11% (RR: 0.89; 95% CI: 0.79, 1.00), respectively.
Vitamin Status in Patients with Phenylketonuria: A Systematic Review and Meta-Analysis
International journal of molecular sciences (2024) · Meta analysis · n=770
The effect sizes were expressed as standardised mean differences.
Based on multiple meta-analyses including 2100+ participants showing benefits in mild dementia and memory. Effects modest and primarily in older adults or those with existing cognitive decline. Standardized extract (EGb 761) preferred.
AI-estimated from published studies. Interpret as directional guidance.
Vitamin B12 has a higher evidence score (9/10 vs 9/10) and wins in 2 of 3 categories.
For neuroprotection, Ginkgo Biloba has a higher relevance score (75 vs 65).
No known interactions between Ginkgo Biloba and Vitamin B12 have been documented in our database. However, always consult a healthcare provider before combining supplements.