Lithium carbonate is used as a mood stabiliser in psychiatry to treat bipolar disorder (manic-depression) in daily doses of about 0.5 to 2 grams, although there are side-effects.
lˈɪθiəm kˈɑːɹbənˌeɪt ɪz jˈuːzd æz ɐ mˈuːd stˈeɪbəlˌaɪzɚɹ ɪn saɪkˈaɪətɹi tə tɹˈiːt baɪpˈoʊlɚ dɪsˈoːɹdɚ mˈænɪkdᵻpɹˈɛʃən ɪn dˈeɪli dˈoʊsᵻz ʌv ɐbˌaʊt zˈiəɹoʊ.fˈaɪv tə tˈuː ɡɹˈæmz, ɔːlðˈoʊ ðɛɹˌɑːɹ sˈaɪdɪfˈɛkts.