These pre-methylated and pre-activated formulations of B12 are also SAFE to use if you have the MTHFR genetic mutation
I have been dealing with digestive issues, intense intestine cramps, belching when eating, etc for about 3 months now
doi: 10.1203/01.pdr.0000049625.51462.d1 58 ODonnellRAFrewAJ
Iron deficiency is the most common deficiency in the U.S., affecting about 10 percent of women of childbearing age and 1 percent of men under age 50 in developed countries
Along with the decrease in the astrocytic Ca 2+ , the later component of the hemodynamic response to the 20-second stimulation was predominantly suppressed (1120 s, HbT in pre/post-CYN 154806: 10.4 1.10/4.47 1.41%, n = 6 mice, p = 0.0272, paired sample, two-tailed t test) (black traces in Fig
DErcole AJ, Stiles AD, Underwood LE