When choosing fitness supplements, it is necessary to comprehensively consider personal physical condition, fitness goals, personal budget and other factors. Here are some common types of fitness supplements and precautions:

1. protein added: A bodybuilder who is suitable for muscle building and shaping. Choose high-quality protein tonics, such as whey protein and casein.

2. Creatine supplement: Suitable for bodybuilders engaged in strength training and muscle growth. Creatine supplement is a common supplement, but it should be noted that excessive use may increase the burden on the kidneys.

3.BCAA supplement: bodybuilders who are suitable for high-intensity training and long-term exercise. BCAA is a branched-chain amino acid, which can help restore muscle injury and improve energy level.

4. Nitrogen pump tonic: a bodybuilder who is suitable for high-intensity training and increases muscle mass. Nitrogen pump tonic can help increase the content of nitrogen and oxygen in blood, thus increasing energy and endurance.

5. Glutamine supplement: Suitable for bodybuilders engaged in high-intensity training and recovery. Glutamine is an amino acid, which can help restore muscle injury and improve immune function.

It should be noted that supplements are not omnipotent and cannot be completely dependent on supplements. A reasonable diet and a scientific training plan are the most important. In addition, some supplements may have side effects, so be sure to read the product instructions carefully before use and use them under the guidance of professionals.