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Usually, vitamin B12-based injections are cheaper
If you are also iron deficient, both contribute to the same picture, which is why testing them together makes sense
Because of this preservative system, bacteriostatic water is frequently selected for laboratory environments where repeated vial access may be required as part of established research procedures
Its efficacy, though, is still debated [2, 4, 10, 11]
Because the vitamin deposits into muscle rather than entering the vasculature immediately, intramuscular delivery produces a sustained release effect
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