For Vitamin B12 injections, a gauge ranging from 25 to 30 is typically recommended
Gut Microbes 7 (2), 146153
"For we humans, there's a huge placebo effect," she said
Signs of vitamin B12 deficiency include: Chronic fatigue Shortness of breath Vision problems Numbness and tingling Poor balance Brain fog Memory problems Muscle weakness Anemia These serious health problems can interfere with your quality of life
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
Mild headaches for a week might be acceptable