neurobion b1 b6 b12 injection Injection: Uses, Dosage, Benefits & Side Effects A small number of users suggest that it can take several weeks to experience the full benefits NEUROBION: Vitamin B1, B6 and
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The same paper examines a few treatments

Generally, a healthy diet rich in meat, fish and dairy products provide a natural source of vitamin B12 required for the body, but it may be deficient in vegetarians and vegans

Vitamin B12 shots work right away and your body will begin to manufacture new red blood cells as early as 48 hours so you will feel the effect in two or three days
A blend of B vitamins that helps support energy metabolism and daily vitality
