| 0 | Connective Tissue Extract | Extract of animal connective tissue |
| 0 | Cutaneous Lysate | The end product of the controlled bacterial degradation of animal cutaneous tissues. It consists of a complex mixture of polypeptides and amino acids. |
| 0 | Cytochrome C | A hemoprotein found in animal cells in the mitochondrial protein-lipid complex. |
| 10 | Elastin | A fibrous protein found in the connective tissue of animals. |
| 0 | Fibronectin | A glycoprotein found in connective tissues, basement membranes, in plasma and other body fluids. |
| 6 | Glycoproteins | Conjugated proteins which contain carbohydrate groups attached covalently to the polypeptide chain. |
| 0 | Glycosaminoglycans | A mixture of mucopolysaccharides derived from various animal tissues. |
| 6 | Glycosphingolipids | Sphingolipids (q.v.) which contain a carbohydrate group covalently attached to the sphingolipid backbone. |
| 0 | Heart Extract | Extract of animal heart tissue. |
(No. of products containing ingredient that have been voluntarily registered with FDA)
