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Head-to-head evidence comparison — which supplement is right for you?
Vitamin B6 wins 1 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
9 of 11 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
14 of 14 studies with measurable effects showed benefit.
Top outcomes
Shared outcomes (2)
Outcomes where both Vitamin B6 and Vitamin E have evidence — compare verdict strength side-by-side.
25-100mg daily
Morning with food, Can take with other B vitamins
P-5-P (Pyridoxal-5-Phosphate)
100-400 IU daily (natural d-alpha-tocopherol)
With fat-containing meal, Any time of day
Natural mixed tocopherols (d-alpha, beta, gamma, delta)
2-4 weeks
1-2 cycles
Months of high doses
4-8 weeks
4-8 weeks
8-12 weeks
With high doses
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 and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
The Cochrane database of systematic reviews (2018) · Meta analysis · n=83000
We found that giving B vitamin supplements to cognitively healthy adults, mainly in their 60s and 70s, probably has little or no effect on global cognitive function at any time point up to 5 years (SMD values from -0.03 to 0.06) and may also have no effect at 5-10 years (SMD -0.01).
Drug Efficacy in the Treatment of Antipsychotic-Induced Akathisia: A Systematic Review and Network Meta-Analysis
JAMA network open (2024) · Meta analysis · n=492
No association between effect sizes and psychotic severity was found.
Effect of vitamin B(2), vitamin C, vitamin D, vitamin E and folic acid in adults with essential hypertension: a systematic review and network meta-analysis
BMJ open (2024) · Meta analysis · n=2218
Among the five vitamins, only vitamin E was significantly more effective at reducing SBP (mean difference: -14.14 mm Hg, 95% credible intervals: -27.62 to -0.88) than placebo.
The Effect of Vitamin E Supplementation on Serum Aminotransferases in Non-Alcoholic Fatty Liver Disease (NAFLD): A Systematic Review and Meta-Analysis
Nutrients (2023) · Meta analysis · n=794
Three electronic databases (MEDLINE, CENTRAL, and Embase) were reviewed for randomized trials that tested vitamin E supplementation versus placebo or no intervention in patients with NAFLD, published until April 2023.
Vitamin E supplementation in pregnancy
The Cochrane database of systematic reviews (2015) · Meta analysis · n=19023
Women supplemented with vitamin E in combination with other supplements compared with placebo were at decreased risk of having a placental abruption (RR 0.64, 95% CI 0.44 to 0.93, seven trials, 14,922 participants, I² = 0%; high quality evidence).
Based on systematic review of nutritional interventions for PMS psychological symptoms. Evidence quality limited by study heterogeneity and need for more consistent protocols.
Based on meta-analysis showing 14.14 mmHg reduction in SBP. Effect size is modest and bleeding risk increases above 400 IU daily. Natural d-alpha-tocopherol preferred over synthetic forms.
AI-estimated from published studies. Interpret as directional guidance.
Vitamin B6 has a higher evidence score (9/10 vs 9/10) and wins in 1 of 3 categories.
For menopause support, Vitamin E has a higher relevance score (90 vs 75).
No known interactions between Vitamin B6 and Vitamin E have been documented in our database. However, always consult a healthcare provider before combining supplements.