Dietary Supplement. New! Fast Muscle Size & Strength Gains! Assorted Flavors: Lime. Fruit. Watermelon. Orange Leucic Acid. HICA-MAX™ Muscle Growth Stimulator HICA-MAX™ is a powerful, natural stimulator for muscle growth. HICA-MAX™ chewables contain 100% pharmaceutical grade leucic acid, also known as alpha-hydroxy-isocaproic Acid , a natural metabolite of the branched chain amino acid, leucine. Leucic acid has been shown in studies to massively increase protein synthesi.