FREE Zarbee’s SampleJanuary 13, 2012 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Head over to the Zarbee’s Facebook page, and you can request a FREE sample of Zarbee’s All Natural Cough and Sleep. A coupon will come with it too! You’ll need to confirm your mailing address via email after you sign up.