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Digestive Issues Collagen peptides or other ingestible forms can occasionally cause bloating, diarrhea, or constipation

However, the evidence for superiority over subcutaneous administration remains unclear, and the increased complexity and discomfort of IM injection discourages its use for most individuals

Rather than working with a crude tissue extract, researchers synthesised a short, chemically defined tetrapeptide of reproducible composition, which makes quality control and experimental reproducibility easier

This study suggests that DSIP may have geroprotective and anti-cancer properties, making it a potential peptide of interest for longevity research