Almonds have the highest protein content of any nut and are a valuable food for vegans and vegetarians. Almonds are rich in minerals, magnesium, potassium, phosphorous and especially high in calcium. Almonds are high in mono-unsaturated fat which helps to lower cholesterol, especially the bad cholesterol (LDL). Almonds contain a high degree of oleic acid, which is believed to be the ingredient in olive oil that protects against heart disease.