Pet food supplement

1. A composition comprising (1) a probiotic, a prebiotic, or both, (2) a fiber source, and (3) quercetin, where quercetin is present in the amount of about 3 weight % to about 5 weight %, and where the composition reduces inflammation of anal glands.

2. A composition according to claim 1 further comprising a digestive enzyme.

3. A composition according to claim 2 , wherein the digestive enzyme is bromelain.

4. The composition according to claim 2 , further comprising apple pectin.

5. A composition comprising (1) a probiotic, where the probiotic is present in the amount of about 1×10 3 to about 1×10 10 colony-forming units, (2) a fiber source, and (3) quercetin, where quercetin is present in the amount of about 3 weight % to about 5 weight %.

6. The composition according to claim 5 , further comprising an anti-histamine agent.

7. The composition according to claim 5 , further comprising one or more of vitamins, minerals, or a combination thereof.

8. The composition according to claim 5 , comprising the probiotic that is a strain selected from the group consisting of Bifidobacterium, Lactobacillus, Lactococcus, Saccharomyces, Streptococcus , and a combination thereof.

9. The composition according to claim 8 , wherein the probiotic is Lactobacillus acidophilus.

10. The composition according to claim 5 , wherein the fiber source is selected from the group consisting of barley, flax seed, digestion resistant maltodextrin, beet pulp, guar gum, inulin, cellulose, larch arabinogalactan, methylcellulose, oat bran, oligofructose, pectin, pumpkin powder, pumpkin seed, psyllium , rice bran, wheat bran, wheat dextrin, and a combination thereof.

11. The composition according to claim 5 , further comprising an agent for improvement of flavor.

12. The composition according to claim 5 , which comprises: L. Acidophilus , pumpkin seed, and bromelain.

13. The composition according to claim 12 , further comprising apple pectin.

14. A composition comprising (1) two or more fiber sources, (2) quercetin, where quercetin is present in the amount of about 3 weight % to about 5 weight %, and (3) at least one additional agent selected from the group selected from a probiotic, a prebiotic, an anti-inflammatory agent, and an anti-histamine.

15. The composition according to claim 14 , wherein the fiber source is selected from the group consisting of barley, flax seed, digestion resistant maltodextrin, beet pulp, guar gum, inulin, cellulose, larch arabinogalactan, methylcellulose, oat bran, oligofructose, pectin, pumpkin powder, pumpkin seed, psyllium , rice bran, wheat bran, wheat dextrin, and a combination thereof.

16. The composition according to claim 14 , comprising the probiotic, which is Lactobacillus acidophilus.

17. The composition according to claim 14 , comprising the anti-inflammatory agent that is selected from the group consisting of fish oil, bromelain, Vitamin C, Vitamin E, L-glutathione, selenium, reservatol, papain, flax seed oil, curcumin, ginger, alpha lipoic acid, zinc, and a combination thereof.

18. A method of treatment or prevention of anal gland disease, the method comprising administering to a subject in need of such treatment an effective amount of one or more compositions according to claim 5 .

19. The method according to claim 18 , wherein the subject is a dog or a cat.

20. A method of treatment or prevention of anal gland disease, the method comprising administering to a subject in need of such treatment an effective amount of one or more compositions according to claim 14 .

21. The method according to claim 20 , wherein the subject is a dog or a cat.

22. The composition according to claim 14 , wherein an anti-inflammatory agent is bioflavonoid selected from the group consisting of epicatechin, oligomeric proanthocyanidins, kaempferol, myricetin, fisetin, isorhamnetin, pachypodol, rhamnazin, luteolin, apigenin, tangeritin, hesperetin, naringenin, eriodictyol, homoeriodictyol, taxifolin, and dihydrokaempferol.