Disclosed are methods of treatment of type 1 diabetes (T1D) in subjects under standard-of-care T1D treatment, by administration of substituted long-chain amphipathic dicarboxylic acids. Also disclosed are methods of reducing standard-of-care administered dose of insulin or an insulin analogue and/or obviating the need for administration of insulin or an insulin analogue in a T1D subject by administration of substituted long-chain amphipathic dicarboxylic acids.
