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The long-term effects of chronic use on the endocrine system have not been formally investigated
It is, however, the scientific basis for taking these compounds seriously as a research area rather than dismissing them on grounds of limited human data alone
It is naturally found in a variety of animal foods and is available as a dietary supplement or through vitamin injections
That means faster recovery after injuries, workouts, or surgeries
Most peptides are broken down in the digestive system before they enter the bloodstream, which makes them ineffective when taken orally
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