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The mutated genes can not only inhibit B12 absorption but also lead to abnormalities in the blood and brain

For adults, its about 2.4 micrograms of B12 daily
However, it should not be considered a substitute for medical advice or consultation

Additional studies are needed ( Age-related macular degeneration Age-related macular degeneration is a condition that causes you to gradually lose central vision, usually in both eyes
