The following safe and suitable optional ingredients may be used:
(a)
Carriers for vitamins A and D.
(b)
Emulsifiers.
(c)
Stabilizers, with or without dioctyl sodium sulfosuccinate (when permitted by and complying with the provisions of Section 172.810 of Title 21 of the Code of Federal Regulations).
(d)
Characterizing flavoring ingredients, with or without coloring as follows:
(1)
Fruit and fruit juice, including concentrated fruit and fruit juice.
(2)
Natural and artificial food flavoring.