The cumulative impact is to make things more confusing to average consumers, who in this case just want to be their best selves and need clear guidance on what works in an arena filled with lots of anecdotes but not a lot of science
A missed dose is not catastrophic, but repeated misses undermine the protocol
For those who don't care for a shot, oral supplementation with the two active forms of B12, methylcobalamin and adenosylcobalamin, may be as effective as a B12 shot
Great Ormond Street Hospital describes this area simply: underneath the outer skin sits a layer of fatty tissue, and that is where subcutaneous injections are given
less water means a tighter stock but less margin for measurement error
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