Add the salt pork, onion and cayenne; bring to a boil. Reduce to simmer, and cook uncovered for 1-1/2 to 2 hours, or until thickened and creamy. Do not allow to boil. Stir in the bacon fat or butter, taste and season as needed with salt, pepper and Cajun seasoning.
Ferritin is a protein inside cells that stores iron so your body can use it later. It is sometimes used to determine the origin of certain anemic syndromes. You can increase your level of ferritin by consuming folate as a dietary complement or in foods like liver, avocado, orange juice, spinach, etc. Still you should wait till you see your doctor, so they can run more tests and be certain of why it is that you have a low ferritin level.
Dunne recommends that adults obtain 15 mg of vitamin E daily to enhance kidney function. Foods rich in vitamin E include mangoes, broccoli, corn oil, peanut butter, almonds, tomatoes, spinach and wheat germ oil.