Common Side Effects While uncommon, some people may experience mild side effects after receiving a B12 injection, including[17]: Headache Nausea and vomiting Diarrhea Fatigue or weakness Tingling or numbness in the hands and feet These effects are typically short-lived and resolve on their own
You take three capsules twice a day 20 minutes before lunch and dinner along with 16 ounces of water
Stuessi C, Hofer P, Meir C, Boutellier U
It is involved in regulating various physiological processes, such as gut homeostasis, mood, body temperature, glucose homeostasis, feeding (both homeostatic and hedonic aspects), energy balance, locomotion, migraine, social behavior (including aggression), and circadian rhythm, among others [11,12,13,14,15]