Vitamin B12 In Nutrition: Sources, Deficiency Signs, And Health Benefits

Time for reading: ~0 minutes Last Updated: September 16, 2025


Discover the importance of vitamin B12 in nutrition, sources of vitamin B12, signs of deficiency, recommended daily intake, and health benefits.

The Importance of Vitamin B12 in Nutrition

Vitamin B12, also known as cobalamin, plays a crucial role in maintaining the health of nerve cells and aiding in the production of DNA. It is essential for the formation of red blood cells and proper brain function.

Sources of Vitamin B12

Vitamin B12 is primarily found in animal products such as meat, fish, eggs, and dairy. For vegetarians and vegans, fortified foods and supplements are available to ensure adequate intake.

Signs of Vitamin B12 Deficiency

Deficiency in vitamin B12 can lead to symptoms such as fatigue, weakness, constipation, and neurological issues. It is important to regularly monitor your vitamin B12 levels, especially if following a plant-based diet.

The recommended daily intake of vitamin B12 for adults is 2.4 micrograms. Pregnant and breastfeeding women may require higher amounts to support the growth and development of their babies.

Health Benefits of Vitamin B12

Vitamin B12 is known to support energy production, improve mood, and enhance cognitive function. It also plays a role in the metabolism of fats and proteins, contributing to overall health and well-being.

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