Niagen: Understanding the Difference and Choosing the Right Option for You If youve been researching healthy aging, looking for ways to support your energy, or simply trying to learn more about wellness therapies, youve probably come across the terms NAD+ and Niagen.
Structural and compositional diversity in the kainate receptor family
Its scientific name, Glycyl-L-Histidyl-L-Lysine, refers to a tripeptide structure combined with copper ions
The TRIUMPH-4 Phase 3 trial in obesity with knee osteoarthritis later reported 28.7% mean weight loss at 68 weeks with retatrutide 12 mg/week, and identified a dose-related dysesthesia (nerve-tingling) signal in 8.8% of 9 mg and 20.9% of 12 mg patients (Bays et al., 2025)
This creates a vicious cycle of pain, fatigue, and poor health
For small peptides this can help somewhat, but the data is thin