Both have decades of clinical use behind them, which provides a level of evidence that newer peptides like Dihexa and P21 have not yet achieved despite their promising preclinical results
They can be taken at home without the need for medical supervision
NAD+ services require consultation and approval, and the best option depends on your goals, comfort level, and medical review
"If you take prescription drugs or are considering large doses, get professional guidance first." How do I know if I need a vitamin B12 supplement
[DOI] [PubMed] [Google Scholar] 71.Staresinic M., Petrovic I., Novinscak T., Jukic I., Pevec D., Suknaic S., Kokic N., Batelja L., Brcic L., Boban-Blagaic A., et al
Extend the time at each dose level from the typical schedule to double the usual duration