They do that far more safely than anabolic steroids and Prohormones but are nonetheless very hit and miss individually, which is why stacking is so prevalent. The research discovered no proof that GW causes cancer at a dose you would actually use, and even at doses considerably higher than that. Other rat studies report no unwanted side effects, and other people within the online SARMs community report none both, together with no testosterone suppression. Again, although, that doesn’t imply there aren’t unwanted side effects.
https://netherlands.direct-sarms.com/product-category/pre-mixed-peptide-pens/