Milk thistles hard, dark-colored seeds are ground and used to make a tea or tincture, encapsulated, or added to foods. The whole seeds are also sometimes added to foods. The seeds have a slightly bitter, oily taste and a faint aroma. To use as a tea, crush the seeds for more thorough steeping. Use as you would flax, hemp or sesame seeds sprinkle seeds on salads and add to cooked foods and smoothies. Our bulk whole milk thistle seed is kosher certifed and non-irradiated.