<s>[INST] Given an abstract text, please determine whether it contains any drug mentions. Provide a 'Yes' or 'No' answer based on the presence or absence of drugs. Abstract Text: Oral Supplementation With The Probiotic Sf68(r) Improves The Intestinal Epithelial Barrier In Obese Mice By Enhancing Butyrate Bioavailability[/INST] Yes</s>