Valbazen SC 2.5% Total Spectrum Wormer Oral Suspension Further information No special control of diet is necessary before or after treatment. The use of Valbazen SC 2.5% in breeding rams is not expected to interfere with their reproductive performance. Selenium and cobalt are included in Valbazen SC 2.5% as nutritional supplements and are not intended to be used therapeutically. Albendazole belongs to the benzimidazole (1-BZ) class of anthelmintics.