Section 520.2100 - Selenium and vitamin E(a)Specifications. Each capsule contains: (1) 2.19 milligrams (mg) sodium selenite (equivalent to 1 mg selenium) and 56.2 mg (68 I.U.) vitamin E as d-alpha tocopheryl acid succinate; or(2) 0.548 mg sodium selenite (equivalent to 0.25 mg selenium) and 14 mg (17 I.U.) vitamin E as d-alpha tocopheryl acid succinate.(b)Sponsor. See No. 000061 in § 510.600(c) of this chapter.(c)Conditions of use in dogs - (1)Amount.(i) Dogs over 20 pounds: Administer 1 capsule described in paragraph (a)(1) per 20 pounds of body weight to a maximum of 5 capsules. Repeat at 3 day intervals until a satisfactory therapeutic response is observed. Maintenance dosage is 1 capsule per 40 pounds of body weight every 3 to 7 days, or longer, as required.(ii) Dogs under 20 pounds: Administer 1 capsule described in paragraph (a)(2) per 5 pounds of body weight with a minimum of 1 capsule. Repeat at 3-day intervals until a satisfactory response is observed. Maintenance dosage is 1 capsule per 10 pounds of body weight every 3 to 7 days, or longer, as required.(2)Indications for use. As an aid in alleviating and controlling inflammation, pain, and lameness associated with certain arthropathies.(3)Limitations. Federal law restricts this drug to use by or on the order of a licensed veterinarian. 79 FR 28828 , May 20, 2014