External Causes of Stress in Cats. Cats do not deal well with change. Even subtle changes in a cat's environment can lead to stress; substantial changes, such as moving, an introduction of a new baby, spouse, or another animal to the household, can have devastating effects. Veterinary Visits. It's been my observation that many cats are frightened and stressed during vet visits.
About L-Lysine HCl. L-lysine is classified as an essential amino acid for humans and must be supplied in the diet. The male adultâs daily requirement is 12 mg per kg of body weight. It is extremely rare for a diet to contain insufficient quantities of lysine.
2 Reviews. Lysine is an essential amino acid. Essential means that it is not produced by the body and therefore it must be taken in either by diet or by taking supplements. Lysine is found in foods such as lentils, red meat, pork, poultry, cod fish, sardines, nuts, eggs, soy beans, brewer's yeast, and dairy products.ysine should not be used in place of medication prescribed for you by your doctor. Lysine is often sold as an herbal supplement. There are no regulated manufacturing standards in place for many herbal compounds and some marketed supplements have been found to be contaminated with toxic metals or other drugs.