An herbicidal composition comprising (a) glyphosate or a derivative thereof, (b) an amidoalkylamine surfactant of formula (1): wherein R1 is a hydrocarbyl having from about 1 carbon atoms to about 22 carbon atoms, R2 and R3 are each independently hydrocarbyl or substituted hydrocarbyl having from 1 to about 6 carbon atoms and R4 is hydrocarbylene or substituted hydrocarbylene having from 1 to about 6 carbon atoms and (c) a co-surfactant component comprising at least one co-surfactant selected from, for example, alkoxylated tertiary amine oxides, amidoamine alkoxylates, and betaines.