Background: The aim of the present study was to assess the upper information content bound of positron emission tomography (PET) images. by means of the information capacity (IC). Methods: The Geant4 Application for the Tomographic Emission (GATE) Monte Carlo (MC) package was used. and reconstructed images were obtained by using the software for tomographic image reconstruction (STIR). https://megavitamines.shop/product-category/beta-carotene/