Both approaches are valid
Deficiency causes megaloblastic anemia abnormally large, dysfunctional red cells that impair oxygen delivery, producing fatigue, shortness of breath, and pallor
This medicine is administered into a vein by a healthcare professional and will only be given to you if your doctor thinks that an injection is more suitable for you at the moment than a tablet
You will have to figure out what your body does best on, but in general, I recommend using 5,000mcg per day in sublingual form as long as you are not extremely sensitive to supplements and/or medications
It is reasonable to assume that changes in CpG methylation levels in this region may reflect on the epigenetic landscape, possibly favoring the expression of CCL11
Because it is a small molecule, it is studied orally/sublingually in the literature