D-Biotin, also known as vitamin H and coenzyme R, is a water-soluble vitamin and also belongs to the vitamin B group, B7. It is a necessary substance for the synthesis of vitamin C and an indispensable substance for the normal metabolism of fat and protein.

1. D-Biotin participates in the metabolism of sugar, protein and fat in the form of coenzymes in animals. Mainly used as an adjuvant for pathological changes and malnutrition caused by D-biotin deficiency.
2. D-Biotin is necessary to maintain the development of animal skin, hair, hoof, reproduction and nervous system, and can also improve feed utilization and weight gain.
When the livestock lacks D-biotin, they will grow slowly, reproductive obstacles, dermatitis, hair loss, skin keratosis and so on. Pigs often have skin ulcers, inflammation of the oral mucosa, diarrhea, cramps, cracks and bleeding in the soles of the hoofs.