Vitamin B12 is no exception and can cause side effects
10.1186/s40478-020-00931-8 Acta Neuropathol
It does not, as long as you maintain gentle technique throughout
Ive tried other vendors in the past, but the quality of their bac water was far from satisfactory a mistake I wont be repeating
Yes, vitamin B complex supplements can cause diarrhea and other side effects like weakness, headache, nausea, and tingling sensations in some people
Stress, dehydration, too much screen time, not enough sleep these everyday headaches are uncomfortable, but they're usually short-lived and respond well to rest and over-the-counter pain relievers