Vitamin B12 is naturally found in animal products, including fish, meat, poultry, eggs, milk, and milk products. Vitamin B12 is generally not present in plant foods, but fortified breakfast cereals are a readily available source of vitamin B12 with high bioavailability for vegetarians [ 5, 13-15 ].
Barbecues and charred meat Some research suggests that burnt or charred meat may increase the risk of cancer. Substances called heterocyclic amines are formed in foods that are cooked at high temperatures and blackened or charred.eat may affect cancer risk because of the amount of fat in it, the way it is cooked or because big meat eaters miss out on other protective foods such as fruit and vegetables or wholegrain cereals. What we do know is that meat plays an important part in the Australian diet.
The processing of meat, by adding preservatives such as salt or sodium nitrite to prevent the growth of germs, or smoking the meat to preserve or enhance color and flavor, may add compounds that might increase the potential of these foods to cause cancer.oncern about the possible effects of food additives on health, including cancer, is one reason that many people are now interested in organic foods. Organic foods are often promoted as an alternative to foods grown with conventional methods that use chemical pesticides and herbicides, hormones, or antibiotics.