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is oral replacement better than injectable b12 Injections vs Pills: Richmond's Complete Guide Oral vs. Intramuscular Vitamin B12
Description
The reason cats with chronic disease benefit from B12 is because their disease is preventing them from absorbing B12

It may provide significant analgesic effects for postherpetic neuralgia, alcohol-related neuropathy, diabetic neuropathy, and aphthous ulcers 22 , with minimal adverse effects

First, its helpful to understand the RDA system

It can also be a great ally as you age, protecting your eyes from macular degeneration and keeping your bones healthy

Treatment of Leber's optic atrophy
