Thats not the only factor, but its one of them
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doi:10.1155/2012/324832 Pickart L, Margolina A
Anti-oxidation: removes hydroxyl free radicals and protects DNA from oxidative damage
Longer-term safety, of course, still has to be confirmed in larger studies, but there is at least a structured dataset and regulatory oversight guiding dose selection and monitoring
Lipotropic Injections: How To Take, Dosage, & Side Effects Understand the safety precautions thoroughly before taking these weight-loss injections