These would be an excellent supplement. "Greens" - aka "Mineral Greens", "Super Greens" etcetera - are really great bc they not only contain great bio-available minerals but they ALSO contain blue-green algaes which are just wonderful nutritional elements.
Marcel's nutrionist highly recommends Vitamineral Green (similar to Kyo) as an overall supplement. She has seen tremendous things w/ it. The only time she cautions against it is with dogs who may have issues w/ wheat - bc the greens usually contain wheat grass - so keep that in mind.