Nicotinic acid is widely used in the medical field as a treatment for pellagra, a disease caused by niacin deficiency. It helps to restore proper levels of niacin in the body, alleviating symptoms like skin rashes, digestive issues, and mental confusion. In addition, it is employed in managing high cholesterol levels by lowering LDL cholesterol and triglycerides while increasing HDL cholesterol, thereby reducing the risk of cardiovascular diseases.

In the agricultural sector, nicotinic acid serves as a growth stimulant for plants, enhancing their overall health and yield. It is also utilized in animal feed to improve the nutritional value and promote better growth in livestock.

Furthermore, nicotinic acid finds applications in the cosmetic industry, where it is incorporated into skincare products for its anti-aging and skin-repairing properties. It helps to improve skin texture, reduce redness, and enhance the skin’s barrier function.

In industrial settings, it is used as a precursor in the synthesis of various chemicals and pharmaceuticals, contributing to the production of a wide range of products. Its versatility makes it a valuable compound across multiple fields.