Nerve Support SAP90 Veg Capsules Nerve health. Peripheral nerves make up an intricate network that connect the brain and spinal cord to the muscles, skin, and internal organs. Diffuse damage to the peripheral nerve fibres results in peripheral neuropathy and diabetes is the commonest cause of painful peripheral neuropathy. The symptoms of peripheral neuropathy are debilitating and significantly affect the quality of life and impair physical and psychological