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Methylcobalamin is also used in the treatment of peripheral neuropathy, diabetic neuropathy, and as a preliminary treatment for amyotrophic lateral sclerosis.ethylcobalamin (mecobalamin, MeCbl, or MeB 12) is a cobalamin, a form of vitamin B12.
NASCOBALÂ® (Cyanocobalamin, USP) Nasal Spray is a prescription medicine used as a supplement to treat vitamin B12 deficiency. NASCOBALÂ® is the only FDA-approved B12 nasal spray. It is clinically proven to increase and maintain healthy B12 levels. NASCOBALÂ® is a tasteless and odorless fine mist with a convenient once-weekly dosing regimen: 1 spray, 1 nostril, 1x a week.