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A serum B12 level above 300 picograms per milliliter (pg/mL) is considered normal
Injections trade daily effort for a periodic visit
In very rare cases, some people have had side effects caused by an allergic reaction or sensitivity
B12 is very poorly absorbed by our bodies, so much so that taking a 240mcg supplement might have you absorbing only 2.4mcg
How often can I have an Injection
In obesity, NNMT activity is unusually high in fat cells, which means a lot of nicotinamide gets thrown out before it can be turned into NAD+
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