Vitamin B supplementation for diabetic peripheral neuropathy

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SCIENCE
Abstracts
Vitamin B supplementation for diabetic peripheral neuropathy
Key Take-Away: 

This research article was aimed to review the effectiveness of vitamin B12 supplementation, in isolation or as a combination therapy, for the treatment of diabetic peripheral neuropathy (DPN). This study determined that, although, Vitamin B12 was associated with neurologic phenomenon, it most certainly does not play any significant role in DPN.

Vitamin B12 deficiency has been associated with significant neurological pathology, especially peripheral neuropathy.

ABSTRACT: 
Background: 

Vitamin B12 deficiency has been associated with significant neurological pathology, especially peripheral neuropathy.

Methods: 

This review aims to examine the existing evidence on the effectiveness of vitamin B12 supplementation for the treatment of diabetic peripheral neuropathy.

A search of PubMed and the Cochrane Central Register of Controlled Trials for all relevant randomized controlled trials was conducted in December 2014. Any type of therapy using vitamin B12 or its coenzyme forms was assessed for efficacy and safety in diabetics with peripheral neuropathy. Changes in vibration perception thresholds, neuropathic symptoms and nerve conduction velocities, as well as the adverse effects of vitamin B12 therapy, were assessed. Four studies comprising 363 patients met the inclusion criteria.

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Results: 

This review found no evidence that the use of oral vitamin B12 supplements is associated with improvement in the clinical symptoms of diabetic neuropathy.

Conclusion: 

Furthermore, the majority of studies reported no improvement in the electrophysiological markers of nerve conduction.

Singapore Med J 2016; 57(2): 55-59
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