Everything you say is true. These are two concepts. When you have high uric acid, you cannot eat things high in purine. Shrimp is high in protein and nutritious, but it is also high in purine. At the same time, many foods have Two characteristics, such as kelp and hairtail, are low in calories but high in purine. To know whether you have high uric acid, you need to draw blood to check your kidney function, which includes a uric acid test.