Listed below are the most common animal by-products that should be avoided when providing for vegans
| By-product |
Source |
| Albumen or Albumin |
Water - soluble proteins found in egg white, milk and blood |
| Aspic |
Jelly made from meat or fish |
| Beeswax |
Secretion from bees |
| Bonemeal |
Ground animal bones |
| Carmine or Carminic Acid [Cochineal E120] |
Red dye made from insects |
| Casein |
Comes from milk products |
| Chitin |
Comes from insects and crustacea |
| Cholecalciferol [D3] |
Comes from lanolin or fish oil |
| Gelatine |
Comes from boiling animal skin and bone |
| Glycerine or Glycol |
Clear liquid made from animal fat |
| Lactic Acid |
Produced by fermenting milk sugar |
| Lactose |
Sugar found in milk |
| Lecithin [E322] |
Derived from egg yolk |
| Lanolin |
Fat from sheep's wool |
| Propolis |
Glue used by bees in hives |
| Rennet |
Extract from calves stomachs |
| Royal Jelly |
Comes from bees |
| Shellac [E904] |
Comes from insects |
| Tallow |
Hard animal fat |
| Whey |
Residue from milk |
