Abstract: Compositions and methods use Bifidobacterium longum NCC3001 (ATCC BAA-999) to stabilize or improve mood, modulate excessive emotional distress, reduce anxiety, and/or reduce stress. In an embodiment, the composition can be administered daily for at least three weeks.

Abstract: Compositions and methods use Bifidobacterium longum NCC3001 (ATCC BAA-999) to treat or prevent a depressive symptom. Prolonged anti-depressive effects can continue after administration of the compositions is ended. Non-limiting examples of a depressive symptom which can be treated or prevented include depressed mood; sadness; anxiety; “empty” feelings; loss of interest or pleasure; irritability; restlessness; changes in appetite or weight; sleep disturbances; lack of or decreased energy; feelings of worthlessness; guilt; helplessness; anger and hostility; difficulty in thinking, concentrating, or making decisions; hopelessness; tiredness; fatigue; memory difficulties; tearfulness; brooding; phobias; excessive worry over physical health; sexual dysfunction; persistent physical symptoms that do not respond to treatment; and combinations thereof.

Abstract: Compositions and methods use Bifidobacterium longum NCC3001 (ATCC BAA-999) to treat or prevent a depressive symptom. Prolonged anti-depressive effects can continue after administration of the compositions is ended. Non-limiting examples of a depressive symptom which can be treated or prevented include depressed mood; sadness; anxiety; “empty” feelings; loss of interest or pleasure; irritability; restlessness; changes in appetite or weight; sleep disturbances; lack of or decreased energy; feelings of worthlessness; guilt; helplessness; anger and hostility; difficulty in thinking, concentrating, or making decisions; hopelessness; tiredness; fatigue; memory difficulties; tearfulness; brooding; phobias; excessive worry over physical health; sexual dysfunction; persistent physical symptoms that do not respond to treatment; and combinations thereof.

Abstract: Compositions and methods use Bifidobacterium longum NCC3001 (ATCC BAA-999) to treat or prevent a depressive symptom. Prolonged anti-depressive effects can continue after administration of the compositions is ended. Non-limiting examples of a depressive symptom which can be treated or prevented include depressed mood; sadness; anxiety; “empty” feelings; loss of interest or pleasure; irritability; restlessness; changes in appetite or weight; sleep disturbances; lack of or decreased energy; feelings of worthlessness; guilt; helplessness; anger and hostility; difficulty in thinking, concentrating, or making decisions; hopelessness; tiredness; fatigue; memory difficulties; tearfulness; brooding; phobias; excessive worry over physical health; sexual dysfunction; persistent physical symptoms that do not respond to treatment; and combinations thereof.

Abstract: Compositions and methods use Bifidobacterium longum NCC3001 (ATCC BAA-999) to stabilize or improve mood, modulate excessive emotional distress, reduce anxiety, and/or reduce stress. In an embodiment, the composition can be administered daily for at least three weeks.