IGF1-LR3 is a special chemical made for science labs. It is a man-made version of a natural growth hormone. It comes as a white powder that is very dry. Scientists keep it very cold in freezers to keep it safe. It is not for people to eat or use as medicine.
It is only for looking at cells in a lab. This chemical is used to see how cells grow and change. It works like a key that fits into a lock on a cell. This tells the cell to get bigger and make more copies. It is much stronger than the stuff the body makes on its own.
This helps researchers learn about how muscles and bones heal. We do not know if it is safe for humans to use. It has not been tested on people in big studies. Using it could be bad for your health. It might cause your body to grow things it should not. It is important to follow the rules and only use it for research.
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