Usually, a multiple preservative system, and /or the incorporation of hurdle technology, is needed to accomplish this goal. Preservatives should be effective at low concentrations in order to reduce costs, minimize toxicity effects, and not adversely affect the physical properties of the finished product.
Flax is full of fibre and is rich in omega-3 fatty acids. Carrots alone won't make you go to the bathroom. Full of fibre, raw carrots that are part of a healthy fibre-filled diet can improve your stool movement. Remember, eat them raw. Cooked carrots can lead to constipation. Beans, beans, the musical fruit.
Focus on soluble fiber instead. Keep in mind that insoluble fiber may relieve constipation, but it can also make you feel bloated. Foods with soluble fiber include: grains, like oatmeal and barley; root vegetables, like carrots and parsnips; fruits, like berries, mangos, oranges, and grapefruit; legumes, like peas