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Vitamin K2 May Help Support Nerve Function

Peripheral neuropathy occurs as a result of damage to the peripheral nerves located outside of the brain and spinal cord. It often causes weakness, numbness and pain, usually in the hands and feet. A new study has found that vitamin K2 may help support nerve function and improve symptoms of peripheral neuropathy.

Participants in the study included 70 adults with peripheral neuropathy and a diagnosis of type 2 diabetes or vitamin B12 deficiency. They received 200 µg of vitamin K2 or a placebo daily for 8 weeks. Peripheral neuropathy symptoms including tingling, prickling, and burning sensations, combined with weakness, numbness, and general fatigue were assessed throughout the study period using the Visual Analog Scale.

Participants in the K2 group saw a decrease in Visual Analog Scale scores from between 8 and 9 to between 3 and 4 by week 8. By week 12, the average score had decreased to 2. Participants in the placebo group saw no change in their scores.

The study was conducted by researchers from Kokan Hospital. The study was published online ahead of print on August 28, 2021 in the journal EC Neurology.

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