PRELIMS BITS – HEALTH
Context:
Doctors suggest that Vitamin B12 strips are more effective than tablets due to direct absorption into the bloodstream.
What is Vitamin B12?
- Also Known As: Cobalamin, due to the presence of cobalt.
- Nature: Water-soluble vitamin, part of the B-complex group.
- Storage in Body: Unlike most water-soluble vitamins, it is stored in the liver and used over time.
Sources of Vitamin B12
Natural Sources:
- Animal-based foods: Poultry, meat, fish, dairy products.
- Fortified Foods: Some breakfast cereals and plant-based milk alternatives.
- Supplements: Available as oral tablets, injections, and dissolvable strips.
Vegetarian and Vegan Risk:
- Plant-based foods do not naturally contain Vitamin B12.
- Vegetarians and vegans are more susceptible to B12 deficiency.
Functions and Significance
Vitamin B12 is essential for:
- Red Blood Cell Formation – Prevents anaemia.
- Cell Metabolism – Helps convert food into energy.
- Nerve Function – Maintains the nervous system.
- DNA Production – Supports genetic material synthesis.
- Energy Levels – Prevents fatigue and weakness.
Vitamin B12 Deficiency: Risks and Symptoms
Common Deficiency Symptoms:
- Anaemia – Low red blood cell count.
- Fatigue & Muscle Weakness – Due to poor oxygen transport.
- Digestive Issues – Intestinal problems and appetite loss.
- Neurological Effects – Nerve damage, tingling, and numbness.
- Mood Disorders – Can lead to depression and cognitive issues.