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.
Spinach is also rich in folate and the NHS says: eating foods high in folic acid, such as green leafy vegetables or wholegrains, are known to lower homocysteine levels.. An emerging risk factor for developing cardiovascular disease is a high level of homocysteine.