Cumin has many evidence-based health benefits. Some of these have been known since ancient times, while others are only just being discovered.
Using cumin as a spice increases antioxidant intake, promotes digestion, provides iron, may improve blood sugar control and may reduce food-borne illnesses.
Taking higher doses in supplement form has been linked to weight loss and improved blood cholesterol, though more research is needed.
I personally prefer to use cumin in cooking rather than as a supplement. This way, I take advantage of the 10th benefit of cumin — it’s delicious.