[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
It stimulates skin repair, boosts collagen synthesis, reduces inflammation, fades fine lines, and soothes sensitive & damaged skin
We've found that keeping it in a cool, dark cabinet or drawer, away from direct sunlight or sources of extreme heat (like lab equipment that runs hot), is perfectly sufficient
Older adults face an increased risk due to diminished stomach acid production, which is necessary for B12 absorption