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Higher Doses: Some individuals, under professional supervision, may explore doses up to 20 mg or more, but this increases the risk of unknown side effects
Beef liver contains 6080 micrograms of B12 per 100 grams, far exceeding beef muscle meat (23 micrograms), fish such as mackerel (1219 micrograms), eggs (0.6 micrograms each), and dairy milk (1 microgram per 200ml glass)
If your B12 deficiency is due to an autoimmune disease or something that's not related to diet, you may need to get injections every two or three months for the rest of your life
For many women, skin changes become more noticeable during perimenopause and menopause as antioxidant defenses decline alongside estrogen
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