[3 PACK] Composure Mini Bite-Sized Chews 30 Count For Small Dogs Composure calming formula includes colostrum, l-theanine and thiamine; all recognized ingredients to support calmer behavior and relaxation. Composure is clinically shown to work within 30 minutes and lasts up to 4 hours. Composure can be administered on a daily basis or situation specific. It is safe to double or triple the dose to reach the desired effect. This supplement is safe and effective for long term, daily use.