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.
Low-Iodine Diet. 1  Iodized salt, sea salt, and any foods containing iodized salt and sea salt. 2  Seafood and sea products, including carrageenan, agar-agar, algin, alginate, and nori. 3  Dairy products. 4  Egg yolks or whole eggs or foods with whole eggs. 5  Bakery products with iodine/iodate dough conditioners or high-iodine ingredients.