needle size for intramuscular b12 injection Purchase Needles (PrecisionGlide) 1 inch or 1/2inch at BiosenseClinic Is this the right size

Hoffman DR, Cornatzer WE, Duerre JA (1979) Relationship between tissue levels of S-adenosylmethionine, S-adenosylhomocysteine, and transmethylation reactions

Vitamin B12 status in health and disease: a critical review

Outinen PA, Sood SK, Liaw PCY, Sarge KD, Maeda N, Hirsh J, Ribau J, Podor TJ, Weitz JI, and Austin RC (1998)

well thank you, well yes so one the second day or any days within the six days then our b12 is still working on our bodies, I feel it working still the next day but I wansn't sure if it was symptoms felt because i'm out already or it is just healing symptoms the day after an injection

It is likely that the larger number of statistically significant changes to the microbiome observed in the groups switched from WD to LD reflects their more numerous exposures to different diets, longitudinal changes in dietary exposure, the stress associated with diet switch, the negative energy state achieved by treatment and/or diet-driven weight loss, or a combination of these factors, but it may also be related to differences in terminal body weight and fat mass since both adiposity and diet composition have been shown to modulate the mouse gut microbiome profile