A deficiency in vitamin B12 can lead to symptoms such as fatigue, brain fog, irritability, tingling sensations in the extremities, and even depression
Preclinical studies in animal models have reported associations with metabolic and adipose-tissue endpoints
Cancer The Journal of the National Cancer Institute has reviewed clinical trials that suggest folic acid plays a protective role against colon cancer, cervical cancer, and pancreatic cancer
Those figures help explain why some informal protocols split timing, but they cannot set a safe or effective schedule for people
Certain medications can also hinder B12 absorption , and older adults have a higher likelihood of developing a B12 deficiency
In fact, theres some solid research on B12 injections for the treatment of fibromyalgia and myalgia encephalomyelitis