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That sounds straightforward, but it removes a common beginner mistake

Supplementation with acai (Euterpe Oleracea Martius) for the treatment of chronic tinnitus: effects on perception, anxiety levels and oxidative metabolism biomarkers

Patients who have a severe deficiency will notice the results earlier than patients with a mild deficiency

While cyanocobalamin has proved effective in preventing vitamin B12 deficiency, there is increasing evidence that the coenzyme B12 forms have a distinct advantage and better spectrum of action in many specialised applications

Healthier skin, hair, and nails B12 supports cell regeneration across the body, including skin and hair follicles

PMID 28049667