the invention relates to the field of pharmaceutics and medicine and concerns a nano - diamond conjugate with glycine for delivering glycine into an organism , the conjugate comprising nano - diamond particles modified by glycine , with a particle size of 2 - 10 nm , and containing up to 21 % by mass of glycine which is included in the composition of the superficial shell of said particles with a thickness of up to 1 nm , and to a method for producing said conjugate .