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Published pharmacokinetic work describes a plasma half-life of only a few minutes after intravenous administration
Theyre also helpful for people who dont get enough B12 from their diet (spoiler: often vegetarians and vegans) and for people whose guts cant break down and absorb the vitamin
It is a nasal spray that works within 5 to 10 minutes
We recommend future research directions to determine when to start with SL, IM, or oral vitamin B12 in different situations
Mood & Serotonin Regulation : Acts as a vital co-factor in synthesizing neurotransmitters like serotonin and dopamine, helping stabilize mood and ease anxiety
While some practitioners suggest injecting near target areas based on regional absorption theory, scientific evidence for site-specific enhancement is limited
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