Types of Vaccine Ingredients To help understand vaccine ingredients it’s useful to divide them into 3 parts. The vaccine substrate (how it’s grown) The antigen itself (what is designed to create an antibody response) Excipients, stabilizers, adjuvants, etc. (other ingredients the vaccine contains to make it stable or last or stimulate a better immune response) … Continue reading Vaccines contain dangerous ingredients. Small doses can be unhealthy. Disease is a product of genetics and environment.