There are numerous causes of sacrum, or sacroiliac, joint pain. According to the Sports Injury Clinic website, the sacroiliac, or SI joints, are located near the tailbone and connect the hip bones with the sacrum, which is a large, triangular bone situated at the base of the spine.
The Mediterranean diet is one such diet. It emphasizes grains, but also emphasizes fruits, vegetables, cheese, yoghurt, and fish, all foods high in lysine and low in arginine. This is generally attributed to omega-3 fatty acids in fish. Fish have a high lysine to arginine ratio. Dairy products also have a high lysine to arginine ratio.
Some foods with low salicylates such as soy or rice milk may have extra added ingredients which may have salicylates, so please read the labels on all foods. Foods that are very low in salicylates include: 1  Fresh meats. 2  Poultry. 3  Fish. 4  Eggs. 5  Dairy products except for blue vein cheese. 6  Tofu. 7  Soy Products (read the labels). 8  Soy milk. 9  Rice Milk.