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The claims circulating online are largely anecdotal, originating from unregulated forums and commercial suppliers with a financial interest in promoting such combinations

Since it was a combo product, you can't attribute the results to the peptide alone

Ascenzi et al

Research and development practice of traditional Chinese medicine based on network target theory and technology

On the other hand GPx3 is negatively correlated with MAPK oncogenic signaling pathway (94), which suggests a potential antitumor effect in thyroid cancer, while a decrease in GPx3 levels predisposes to an increase in the size of primary tumors and the number of metastatic lymph nodes (95, 96)

Another study on endurance athletes also showed no significant changes in their cardiorespiratory fitness parameters and blood metabolic markers [83]