SBS Betaine is 98% pure, highly feed stimulating powdered additive having an incredible impact on Carp. It is one of the most well-proven appetite stimulators known and used by Carp anglers all over the world. Betaine has been used in commercial fish feeds for over 30 years as it increases intakes resulting in larger fish over a given period of time. It should not be left out of any good quality boilie, because without Betaine boilies are certainly less effective. Now you can obtain a 250 grams bottle at great prices. With its use, success is almost guaranteed.