There are cases where both vegetarian and non-vegetarian sources can be found amino acids supplier for nutraceuticals a given ingredient, but some manufacturers instructed us that they use vegetarian sources solely. Since we can't generalize this to all suppliers, we now have categorized these elements as sometimes vegetarian, typically vegan, typically non-vegetarian, or may be non-vegetarian, depending on the data acquired from manufacturers. On this Guide, business sources shall be listed in the order of the most commonly used to the least commonly used, based on the information obtained from manufacturers. In the case of microbial sources, if manufacturers haven't specified whether or not sure microbial processes are bacterial or fungal, the industrial source might be listed as "microbial.