Essentially your nutrients should be coming from food, but short-term supplements for three months of vitamins and minerals plus an evening primrose and fish oil capsule may be beneficial at relieving symptoms, whilst the diet is being adjusted. Magnesium and zinc are important in the reproductive and immune systems so the diet should also be rich in these. Magnesium helps to relax muscles and may be beneficial in reducing menstrual cramps. Some people do not absorb what they eat very efficiently. Often the intestinal flora can be disrupted and this can have an effect on absorption of vitamins and minerals from the small intestine.
Excess wheat can prevent proper absorption of zinc.
Also gluten in wheat, if eaten too excess may be damaging villi absorption in a few susceptible people. Research from the American Association suggests that women with endometriosis have a higher incidence of allergic symptoms than women in general. This may be due to a weakened immune system and a leaky intestinal wall. Some research has implicated the overgrowth of the intestinal yeast, candida albicans with malabsorption. The good bacteria present in the intestines produce some B vitamins and the use of antibiotics and steroids can impair this production.