Both milk alternatives typically contain calcium through fortification, with unsweetened soy milk providing approximately 242.4 mg per cup and almond milk offering around 379 mg per cup.

Almond Milk Nutrition Facts. According to the USDA (U.S. Department of Agriculture), 3.4 fluid ounces of unsweetened, plain almond milk contains roughly:. Calories: 15. Protein: 0.6 grams. Total ...