Spirulina has the characteristics of high nutrition, low calorie and low fat. So how to eat spirulina tablets to lose weight? Is it useful? Spirulina tablets can be eaten as a health product for a long time. Because its principle is the same as food, it will not produce side effects. Spirulina is rich in protein, amino acids, vitamins, B- carotene, minerals, seaweed polysaccharides, phycocyanin, chlorophyll and linolenic acid. Scientists and medical authorities in the United States, Japan, Germany and China have proved that spirulina does have auxiliary preventive and therapeutic effects on many diseases without any side effects. Spirulina tablets can lower cholesterol. The following are the specific clinical data: 30 men with high cholesterol and mild hyperlipidemia were divided into two groups. In group A, spirulina was taken 4.2g daily for 8 weeks, and the total serum cholesterol decreased from 6.3mmol/L(244mg/dl) to 6. 1mmol/L(233mg/dl) within 4 weeks, with a decrease of 4.5%. In group B, the serum total cholesterol decreased after 4 weeks, and then returned to the original level. Low-density lipoprotein cholesterol decreased significantly by 6. 1% within 4 weeks, and serum cholesterol decreased even more in people with high cholesterol.