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The recommended daily intake for adults is 2.4 micrograms, but higher doses are also considered safe, as your body absorbs only what it needs, and any excess is passed through urine

Adequate levels of B12 support metabolism in three key ways: B12 breaks down nutrients from food and turns them into usable energy

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Vitamin B12, which appears in foods like meat, dairy, eggs and more, helps your body to: Convert food into fuel Make red blood cells Support brain and nerve function Regulate mood and focus Its also critical for maintaining a healthy metabolism and energy levels