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Jan 11 2021;14(1)doi:10.1136/bcr-2020-240095 Psillas G, Antoniades E, Ieridou F, Constantinidis J

Most research protocols use 200500 micrograms per day administered through subcutaneous injection

Multiple studies have shown zinc supplements to be no more effective in the treatment of tinnitus than placebos, through people whose symptoms are due to a zinc deficiency may receive some benefit

A Comprehensive Overview of Subacute Combined Degeneration: MRI Diagnostic Challenges and Treatment Pathways