These include: Meat Fish Poultry Milk Eggs Fortified breakfast cereals Fortified breads Fortified nutritional yeasts Fortified plant milks If you follow a vegan diet (meaning you don't eat any animal products, including meat, milk, cheese, and eggs) or you're a vegetarian who doesn't eat enough eggs or dairy products, you could be lacking in vitamin B12
This is particularly relevant given that mast cells are also located near neurons, glia, and cerebral blood vessels 20
[9] Notably, this side effect has not been noticed with NAD+ injection, in contrast to vitamin B3 (niacin) intake, which results in a flushing of the skin
If the label lists separate compound amounts, calculate the total vial amount first, then calculate the per-compound share based on the ratio