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However, no consistent evidence was found for a significant correlation between exposure to PFAS and sperm DNA fragmentation, apoptosis, or reproductive hormones ( in situ hybridization (FISH) for chromosomes 18, X and Y, and TUNEL coupled to flow cytometry for sperm DNA fragmentation, sperm disomy and diploidy rates, and the DNA fragmentation index were significantly increased in PFC-positive versus PFC-negative individuals ( in-vitro study using exposure of spermatozoa to environmentally relevant concentrations of a cocktail of PFAS has attempted to address this in the mouse model ( in-vitro did not affect the sperm functional profile, in terms of capacitation or fertilization rates, but did significantly delay the developmental progression of in-vitro fertilized day 4 preimplantation embryos, which suggested an alternative stress-mediated impact at fertilization

For research content, the safer focus is compound identity, study models, purity, COA testing, and laboratory handling

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While DSIP was described as 'adaptogenic' and stress-protective in older animal work, robust human data demonstrating a cortisol-lowering effect are lacking, and claims of a defined anti-stress action should be treated cautiously