.It is one of the best phagostimulants for fish and shellfish. It strongly allures the smell of fish and shrimp. Betaine Hydrochloride, also called Beet Su, scientific name trimethyl glycine hydrochloride, is a nutritional additive, efficient methyl donor, good feed attractant and powerful surfactant. Efficacy: 1. Efficient methyl donor, providing methyl 2. Participating fat metabolism, promoting ...