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In the wrong hands or with impure sourcing they carry real risks

A study in the Journal of Clinical Pharmacology showed 1,000 mcg shots work well

Certain peptides may not be appropriate, or may need to wait, for patients with active cancer or a recent history of certain cancers (particularly for growth-hormone-related peptides), uncontrolled cardiovascular disease, pregnancy or planned pregnancy, certain autoimmune conditions depending on the peptide, or a known sensitivity to peptide therapy in the past

Many patients inject 23 hours after eating a meal or 3060 minutes before their next meal to allow the medication to work on an empty or near-empty stomach