Demulcent, emollient, expectorant. Fenugreek is useful for all mucus conditions of the lungs. It aids digestion and increases milk production in lactating mothers. Recent studies indicate that fenugreek may lower blood cholesterol. The seeds contain diosgenin, a chemical similar to estrogen. It exhibits mild anti-inflammatory effects.It aids digestion and increases milk production in lactating mothers. Recent studies indicate that fenugreek may lower blood cholesterol. The seeds contain diosgenin, a chemical similar to estrogen. It exhibits mild anti-inflammatory effects.