With a broken tendon in the hand, as long as you make sure that your daily diet is normal, and that there are no problems with digestion and absorption, your daily diet can do the job of providing enough nutrients, without having to take extra, deliberate, excessive intake of a particular food, drug, or supplement. The daily diet includes meat, eggs, milk, vegetables, fruits, fish, shrimp, nuts, which can be enough to provide the nutrients needed by the body, and at the same time can promote the repair of tendons. You can moderately increase the intake of some proteins, vitamins, trace elements, calcium ions, such as more vegetables and fruits, more meat, milk, fish, shrimp, moderately more can be eaten, but also do not eat all of these things all the time. If the diet is not balanced, on the contrary, there will be malnutrition, affecting the health or tendon repair.