[1] In moderate deficiencies, feeling tired, feeling faint, mouth ulcers, rapid breathing, upset stomach, pallor, hair loss, decreased ability to think and joint pain and the beginning of neurological symptoms, including abnormal sensations such as, numbness and tingling, and tinnitus may occur
This pilot study suggests that Vitamin B12 might be effective in treating chronic tinnitus in patients with a deficiency, but its small scale is a limitation
D., Finan, B., Clemmensen, C., Dimarchi, R
But the greatest reduction in skin health is observed when women turn 50 years and experience menopause, which has a dramatic negative impact on skin aging owing to the loss of estrogen production from the ovaries, specifically the most potent estrogen in the body, which is 17-estradiol [2, 10, 14, 15]