Beri-beri is a disease caused by a deficiency of Vitamin B\(_1\), also known as thiamine. This vitamin is essential for carbohydrate metabolism, and its deficiency leads to symptoms like weakness, nerve damage, and cardiovascular problems.
- Vitamin A is important for vision.
- Vitamin K is involved in blood clotting.
- Vitamin D is involved in calcium metabolism.
Thus, the vitamin responsible for beri-beri is Vitamin B\(_1\).