– Vitamin B12 helps keep your nerves healthy and supports red blood cell production.
– Common sources include meat, fish, eggs, dairy, and liver.
– Plant-based eaters can get B12 from fortified cereals, plant milks, and nutritional yeast.
– Older adults may need more B12 through food or supplements due to poor absorption.
– Low B12 levels may lead to tiredness, weakness, or even memory issues.
Your body needs only small amounts daily, but it's crucial for long-term health.