Sublingual forms dissolve under the tongue, with the idea that some B12 enters through the mouth's membranes instead of the digestive tract
They tend to disappear within a day or two
As mentioned above, most labs will not flag B12 levels unless they are under 200 pg/mL
Since lipotropic injections vary from clinic to clinic, the dosage and scheduling of these injections may vary
According to a Clinicians Guide in a University of Virginia report published in 2018, the condition may not fully resolve for up to eight weeks, however (8) Neurologic symptoms, like tingling, numbness in hands and feet, or dizziness, generally improve in six to 12 weeks, and severe neurological symptoms, like difficulty walking, may not ever resolve completely