Go bhb (beta-hydroxybutyrate) complex: calcium bhb, magnesium bhb, sodium bhb, potassium bhb. Other ingredients: potassium citrate, citric acid, natural flavors, rebaudioside-a, silica and beta-carotene (for color).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.