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how are b12 injections given B-12 Vitamin do you have to be
Description
Thinning areas fill in

48 (3 Suppl): 852858

Combine Diet and Supplements for Optimal Intake Try to get your daily intake of vitamin B12 from food sources, such as liver, beef, shellfish, salmon, tuna, dairy, eggs, fortified cereals, and nutritional yeast

Having said that I used to sometimes think those injections would work better than some that had been sitting out longer, or maybe it was purely coincidence
