Vitamin B12 deficiency can also cause symptoms that affect the brain and nervous system (neurologic symptoms), including: Numbness Muscle weakness Mental health problems, ranging from mild depression or anxiety to confusion and dementia Balance and coordination issues Needles and pins Incontinence What is the best form of vitamin B12 to take
Adequate fat intake supports hormone production and satiety
Thus, while there was not much evidence of allergic reactions, B vitamins may have been linked to some worrying side effects, including weight gain and ED
No human clinical trials have been completed
The ratio of Firmicutes to Bacteroidetes is a commonly-studied change with an increase often linked to HFD consumption/obesity in mice 43,44 and humans 45,46 (for review, see John and Mullin, 2016 47 )
Several Lactobacillus species require nicotinamide or nicotinic acid for growth 94