Background Traditional physicians in Sri Lanka and India use extracts from the plant Salacia reticulata, or Kothala Himbutu (KH) to treat diabetes. The effect of a KH biscuit, taken as snack, on glycemic control was investigated patients with type 2 Methodology This triple-blind, randomized, placebo-controlled, two-period, two-sequence, crossover study conducted Internal Medical Clinic, Teachin...