Are peptides safe for people with a history of cancer?

Growth-promoting peptides like CJC-1295 could theoretically stimulate dormant cancer cells, though this isn't proven. If you have a cancer history, especially within 5 years, avoid growth hormone peptides and consult your oncologist before using any peptides. <a href='https://www.cancer.gov/about-cancer/causes-prevention/risk' target='_blank'>NCI Cancer Risk Factors</a>