Trending The digestive enzyme protease is crucial for the proper breakdown of proteins, otherwise liver detoxification could be impaired. "An efficient digestive process will ensure effective release of not only the amino acids, but also other key nutrients necessary for detoxification," added Simpkin. Alleviate constipation "When foods are not digested properly, undigested particles make their way to the colon where they cannot be easily eliminated," Simpkin explained. "This causes a build-up of waste that then ferments and putrefies and, over time, this waste becomes more compacted, resulting in constipation." Fatty foods can contribute to constipation (Image: Express) READ MORE Improving digestion is key to prevent undigested food from travelling into the colon and creating a blockage.