I known as the company and spoke with one in their agents to generally be Unquestionably certain, but their gelatin supply is Bovine (cow). I’m unsure why they don’t state this everywhere, or why they don’t use fish/plant/artificial source for their gelatin to protected a much bigger consumer base. https://healthsupplement54297.thenerdsblog.com/38107722/top-guidelines-of-supplement-digestive-health