The invention relates to fungal cells and spores, as well as extracts of either, for use, in particular, in prevention or treatment of Chlamydia, or Helicobacter pylori or other infections, inflammation, inflammatory, lysosomal, acidic, SOD—or IgG or other immunoglobulin—peroxidases or hydrogen peroxide induced or other forms of oxidative damage, atherosclerosis, heart disease, stomach, intestinal and liver inflammatory conditions and their complications, promoting or stimulating regeneration or healing of wounds, burns, ulcers, or other forms of damaged or aged tissues, or in reducing elevated cholesterol and/or triglycerides levels In a preferred instance, the fungal cells or spores are those used in the manufacture of fungal fermented cheeses or other food stuff or beverages, particular fungal blue or white cheeses.