The Bottom Line As I navigate this space with my patients, I hold two truths simultaneously: the preclinical evidence for certain peptides is genuinely compelling, AND the lack of rigorous human safety data demands significant caution
Keppler, D
Another important factor with retractions is that they appear to be more common in journals with higher impact factors (Brembs, Button & Munaf, 2013), and this should not surprise us as these journals are prone to publishing studies with confirmation bias (Forstmeier, Wagenmakers & Parker, 2017
Are B12 injections better than pills
NAD+, Glutathione, B-Complex, B12 B-12 Blends The Feel Good We all want to feel good, look great and enjoy vitality, good health, wellness and the energy to thrive fully in every moment
Cell Death Differ 2007