More than 80% of all Biogena products are suitable for vegans. Whether a product is suitable for vegetarians or vegans is clearly indicated on the label and in the product description. Biogena defines "vegan" or "suitable for vegans" as all products that do not contain raw materials that are products of animal origin. In addition, ingredients of animal origin have been eliminated at all stages of production and processing. Only the synthesis of micronutrients by bacteria or yeasts cannot be excluded by this designation. Biogena defines products as "vegetarian" or "suitable for vegetarians" if they meet the definition of "vegan" but in the production of which the following products of live animals may have been added or used in addition milk, colostrum, farm poultry eggs, honey, beeswax, propolis, wool fat/lanolin from wool derived from live sheep. Similarly, their ingredients or products derived from them may have been added or used in the production process.