What Barefoot has is the best. http://www.oldfashionedspices.comhttp://www.abnat.com is second, IMO. you can always go to http://www.herbdoc.com and get Schulze's products which are best as he formulates his own, tho I do not know if he ships out of country, but you can check. Your other option is to find a local herbalist. The toughest scenario is to use red pepper or find your own herbs and put them together. Study on what grows in your own back yard that's a safe anti=parasitic herb. Castor oil will kill a tapeworm, (rather than using Zymex 11) but mst chiropractors carry Standard process products.