The present invention relates to solid dietary and/or nutraceutic pharmaceutical compositions for oral use based on SAMe, or salts thereof, in combination with inositol and/or derivatives thereof and to a process for their preparation. The present invention relates to a method of stabilising a solid composition for oral use based on SAMe or salts thereof, making use of inositol and/or derivatives thereof with the addition of magnesium oxide. The present invention also relates to the use of SAMe, or salts thereof, in combination with inositol and/or derivatives thereof with the possible further addition of melatonine, St. John's Wort and/or lemon balm for the treatment of depressive states and/or panic syndromes.
