She can boost her detox ability by taking a good antioxidant supplement and 1g of vitamin C twice a day, drinking more water and eating healthy, unprocessed (and preferably organic) foods with the emphasis on fresh fruit, vegetables, organic chicken and, for those valuable anti-inflammatories, oily fish, nuts and seeds. She may also benefit from taking a digestive enzyme to improve digestion. Folic acid, as part of a B complex supplement, can help too. This is probably because some sufferers have high levels of the amino acid homocysteine in their blood, which is associated with pain. I recommend testing your mother and if her level is high then giving her a supplement of nutrients designed to help maintain healthy homocysteine levels. This will contain folic acid.