New Defender's Study Bible Notes
16:28 not taste of death. The disciples were to see Him “coming,” not actually reigning, in His kingdom. This clearly referred to the remarkable vision which three of His disciples were about to see on the Mount of Transfiguration.
16:28 coming in his kingdom. Peter confirms that they saw the “coming” of our Lord Jesus Christ, and were “eyewitnesses of His majesty…when we were with Him in the holy mount” (II Peter 1:16-18).