Vitamin E improved some nerve tests in diabetic neuropathy
A pooled trial analysis found selective improvements in nerve-conduction speed, with no clear change in signal amplitude or a blood-sugar measure.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The trials found faster conduction in selected nerves, while nerve-signal amplitude and a blood-sugar measure did not show clear changes. The abstract does not establish relief of pain, improved walking or better quality of life. These findings concern electrical nerve tests, so their everyday clinical importance remains uncertain.
Vitamin E forms, doses and treatment lengths differed, and sample sizes were modest. The abstract does not supply symptom or functional benefit estimates, so electrical changes cannot establish meaningful daily-life improvement.
What researchers found
Mean difference in sural sensory nerve-conduction velocity
Vitamin E versus placebo over treatment periods of ≤12 months; 95% CI 0.80–2.74.
What the tests measured
The review pooled randomized trials in adults whose diabetic nerve damage had been confirmed through electrical testing. Its clearest results concerned how quickly signals traveled through selected sensory and motor nerves.
What remains uncertain
Faster conduction did not come with a clear change in nerve-signal amplitude. The abstract also reports similar adverse-event rates between groups, while calling for longer trials that measure pain, walking and quality of life.
The original publication
Effectiveness of vitamin E in the treatment of diabetic neuropathy: systematic review and meta-analysis.
Alhajaji R, Hassan AA, Al-Harahsheh MA et al.
Hormones (Athens) · 2026
- PubMed ID
- 41528693
- Record checked
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