The present invention discloses pharmaceutical/nutritional compositions and methods for alleviating symptoms associated with perimenopausal and/or menopausal disorder or discomfort. The methods include the step of administering, to a subject in need thereof, an effective amount of a composition including at least 2% (w/w) phosphatidic acid, or salts thereof, out of the total effective composition, as a first effective ingredient for alleviating at least one discomfort symptom. Preferably, the composition further includes a suitable amount of at least one bio-available form of magnesium as a second effective ingredient. Preferably, at least one bio-available form is selected from the group consisting of: magnesium oxide, magnesium citrate, magnesium hydroxide, magnesium stearate, and a magnesium salt of the phosphatidic acid. Preferably, the step of administering is performed in a multi-part regimen, and is performed by at least one delivery method selected from the group consisting of: oral delivery and intravenous delivery.