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How long you feel the effects can depend on your starting levels, which is why people with a larger deficiency sometimes notice the benefits over a longer stretch
For people who are low in B12, yes, many feel a real lift in energy once their levels come back up
Heres how specific conditions can impact the use of B12 shots: Heart Disease: While B12 is essential for overall health, excessive amounts of vitamin B12 in the body may sometimes cause an increase in certain heart disease risk markers, particularly for individuals with pre-existing cardiovascular conditions
Shots work quickly because they skip digestion, and a plan built around bloodwork helps you get the most from each one
Serious reactions are rare
Do I need a prescription for vitamin B12 injections
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