Because B12 in its organic form comes from animal sources like fish, meat, eggs and dairy, vegans, vegetarians and people with nutrient deficient diets need B12 supplementation to meet minimal health requirements
Some protocols use divided doses (morning and evening), while others consolidate into a single morning injection on an empty stomach
This is the form that I trust to get results with the clients I consult with after having seen it improve hundreds of pre/post lab tests
As part of a weight loss regimen, they can help break down fat when used with a balanced diet and regular physical activity
Nov 12 2014;25(16):1250-4
(1) Most get enough B12 from food, but some are still low or deficient, which can lead to fatigue, weakness, brain fog, and other health issues