Alternative Thioglycollate HiCynth™ Medium is prepared by completely replacing animal based peptones with chemically defined peptones to avoid BSE/TSE/GMO risks associated with animal peptones. It is used for the sterility testing of certain biological products which are turbid or viscous and can be tested using Fluid Thioglycollate HiCynth™ Medium (MCD009). Both the media have similar composition, except agar and resazurin that are not included in Alternative Thioglycollate HiCynth™ Medium. This deletion makes it suitable for sterility testing of viscous products