Where do we get vitamin B12
The main causes of a vitamin B12 deficiency are as follows: Malabsorption due to poor intestinal health (inflammation, bacteria, fungal infection, parasites, disturbed intestinal flora) due to a lack of transport molecules (intrinsic factor), genetic diseases (cobalamin disease) or medications that hinder uptake
in the 100 mg dose present here, serious GI effects are uncommon, but mild nausea or stomach discomfort could occur in sensitive patients
The standard 3.2 mg dose is a 10-unit draw containing 2 mg GHK-Cu and 0.4 mg each of BPC-157, TB-4, and KPV
There are several toxicity sites and lists where people became very ill on much lower doses -- in fact, B6 toxicity can come from doses lower than even 25 milligrams/day
However, the relevance of these findings to humans remains uncertain, as human thyroid C-cells have much lower expression of GLP-1 receptors compared to rodents