Diabetes mellitus is a chronic metabolic disorder characterized by elevated blood glucose levels resulting from insulin deficiency or resistance. The increasing prevalence of diabetes worldwide has prompted the search for functional foods that can help manage blood glucose levels. Chocolate, particularly dark chocolate rich in cocoa polyphenols, possesses antioxidant and potential hypoglycemic effects. Incorporating anti-diabetic herbal extracts into chocolate formulations offers an innovative approach to develop a palatable, functional, and therapeutic confectionery product. This review summarizes current research on the formulation, preparation, and evaluation of anti-diabetic herbal chocolates, highlighting commonly used herbal ingredients, their bioactive components, pharmacological actions, and formulation challenges. The present study focuses on the formulation and evaluation of an anti-diabetic herbal chocolate, aiming to combine the therapeutic potential of medicinal plants with the sensory appeal of chocolate. The objective was to develop a functional confectionery product that supports glycemic control while providing nutritional and antioxidant benefits. Herbal extracts known for their anti-diabetic properties—such as Gymnema sylvestre, Trigonella foenum-graecum (fenugreek), Momordica charantia (bitter gourd), and Cinnamomum verum (cinnamon)—were incorporated into a dark chocolate base formulated with natural, low-glycemic sweeteners like stevia or erythritol. The prepared herbal chocolate was evaluated for its physicochemical properties, sensory acceptability, and in vitro anti-diabetic activity, including α-amylase and α-glucosidase inhibitory assays. Results indicated that the herbal chocolate retained desirable organoleptic qualities while exhibiting significant anti-hyperglycemic potential. This study demonstrates the feasibility of developing a palatable, natural, and functional chocolate formulation that could serve as a dietary supplement for diabetic individuals and those seeking to manage blood glucose levels through natural means.