how long to feel benefit of b12 injection Fast Does Work How soon do you less tired after a B12 shot? How Long Does It Take

10.1016/s0928-4257(99)00119-9 112 SikiricP.MikusD.SeiwerthS.GrabarevicZ.RucmanR.PetekM.et al (1997b)

Your provider will give you specific reconstitution instructions based on the concentration of your vial

Lower target concentrations need more water, producing more dilute solutions that can be easier to measure for smaller doses

User reports for Achilles conditions consistently describe rapid initial response

Advantages of oral form over IM injection: Less nursing time on injections Less complexity of care Less discomfort/pain Less bleeding in patients who take anticoagulants Less costly according to some analyses Disadvantages of oral form over IM injection:: Greater risk of non-compliance In 1991, a survey done on Minneapolis internists led one commentary to conclude that oral vitamin B 12 replacement for pernicious anemia was one of medicines best kept secret. 18 In 1996, when the survey was repeated again in the same area, awareness and use of oral vitamin B 12 for pernicious anemia had increased substantially (019%), but the majority of doctors still remain unaware of this treatment option (61%)