Its hard to make sense of which NAD supplement will be best for you, so your best bet might be to get adequate niacin in your diet
Clin Rheumatol (2018) 37(6):1493502
Kheder E, Huang HJ, Wu A, Hong DS, Piha-Paul SA, Karp DD, Fu S, Subbiah V, Tsimberidou AM, Naing A, Diab A, Javle M, Kopetz S , Sood AK, Kurie JM, Meric-Bernstam F, Gleeson M, Janku F
A similar trend was seen among young adults ages 18 to 25 without diabetes, who made up 2.4% of prescriptions in 2018, steadily increasing to 3.2% in 2022 before dropping to 2.7% in 2023
doi: 10.1039/D4CC02132K 24 WeiJLiWZhangPGuoFLiuM
In contrast, both semaglutide and tirzepatide treated groups showed a significant reduction in liver fibrosis compared to their respective diet-restricted controls