Definition. noun, plural: autotrophs. A organism capable of making nutritive organic molecules from inorganic sources via photosynthesis (involving light energy) or chemosynthesis (involving chemical energy) Supplement
Spinach also contributes to your daily intake of iron and calcium. Although spinach naturally contains sodium, it only provides 25 milligrams per cup and the 10-ounce bag contains only 224 milligrams, increasing its desirability as a heart-healthy food.
Sodium and Sirloin. A 3-ounce serving of sirloin steak contains just 52 milligrams of sodium. That translates to almost 3 percent of the 2,000 milligrams of sodium you should limit yourself to each day on a low-sodium diet, according to the Cleveland Clinic. It's about 4 percent of your daily limit if you're sticking to the 1,500-milligram limit.