| Term | Definition |
| Vitamin H Biotin | important as a coenzyme in the metabolism of proteins and fats. It helps to keep hair healthy and is an antiseptic. It has been used for malaria. Biotin works closely with folic acid, pantothenic acid, and B12 and can lessen pantothenic acid and zinc deficiency symptoms. |
| Vitamin H absporption | synthesized in the intestine if the intestinal bacteria are healthy. Antibiotics destroy these beneficial bacteria, along with the harmful bacteria. Always take a B complex supplement along with antibiotic therapy. |
| Vitamin H deficiency | Skin (eczema), seborrhea, hair problems, dandruff, baldness, fatigue, depression, conjunctivitis, hallucinations, anemia, lung infections, and loss of appetite are all deficiency symptoms. |
| vitamin H sources | exists as free biotin and as protein bound forms in foods. Dietary biotin is mostly protein bound in both meats and cereals, although the biotin found in cereals may be less readily absorbed. |