1. A method of increasing production or activity of catalase in animals, comprising: identifying an animal that needs or can benefit from increased production or activity of catalase； administering to the animal an amount of vitamin D that increases production or activity of catalase. 2. The method of claim 1, wherein the animal is a human or companion animal. The method of claim 2, wherein the companion animal is an animal of the canine or feline family. The method of claim 1, wherein the step of identifying comprises determining that the animal is an aging animal, a catalase deficient animal, or an animal in a condition associated with a catalase deficiency. The method of claim 1, wherein the vitamin D is one or more of calcitriol (1α, 25-dihydroxyvitamin D)； seocalcitol (EB1089, 1α, 25-dihydroxy-22,24-diene-24,26,27-trigomovitamin D)； 1α, 25-dihydroxy-16-en-23-in-vitamin D (analogue V)； Vitamin D 25 (OH) Vitamin D； 24.25 (OH) Vitamin D； paricalcitol； 1,25-dihydroxy-16,23Z'-diene-26,27-hexafluoro-D； 1,25-dihydroxy-16,23E-diene-26,27-hexafluoro-19-nor-D3； 22-oxa-calcitriol, 1α- (OH) D； 20-epi-1α, 25 (OH) OD； calcipotriol, 1α24 (S) (OH) D； 1α, 24 (R) (OH) D3 and KH1060. 6. The method of claim 1, wherein vitamin D is administered in amounts of from about 1 ng / kg body weight to 10 mg / kg body weight. The method of claim 1, wherein vitamin D is administered orally. The method according to claim 7, in which vitamin D is administered in a composition created in the form of a food composition for humans, pet food or a dietary supplement. The method of claim 8, in which the composition is a food composition containing from about 15% to 50% protein, from about 5% to 40% fat, from about 5% to 10% ash substances, and having a moisture content of from about 5% to 20% .10. The method according to1. Способ увеличения выработки или активности каталазы у животных, включающий: идентификацию животного, которое нуждается или может получить пользу от увеличения выработки или активн
