Martin and pleasance combination 5 nerve tonic is a combination of 5 phosphates calc phos ferr phos kali phos mag phos and nat phos for relief from symptoms associated with anxiety neuralgic pain and general debility martin and pleasance combination 5 nerve tonic is a combination of 5 phosphates calc phos ferr phos kali phos mag phos and nat phos for relief from symptoms associated with anxiety neuralgic pain general debility martin and pleasance have been manufacturing schuessl