Hailey Bieber, Jennifer Aniston, Kendall Jenner, Gwyneth Paltrow, Justin Bieber, and even Joe Rogan. They all swear by NAD for longevity. Does it work though? In your cell, NAD is the energy currency. NAD starts dropping at age 20. By the time you're 60, the levels are 50% lower in every cell. This is why these celebrities are doing IV NAD, but there's two big problems with these IVs. One, they only last a couple of days, so you need it weekly. And two, they are expensive. Several thousand dollars every session. NAD supplements you ask? Sometimes they don't absorb. The prime solution right now is NMN. It does get absorbed and gets converted to NAD form in your body. NMN supplementation clinically proven to increase your NAD levels by up to 75% in just 60 days. If you're going to look into it, the NMN by Catacore is the one that I recommend. It's actually a 4-in-1 product and it's NSF certified. And NSF is important because it's the gold standard for supplement manufacturing. They verify claims and make sure that the supplement meets top standards when being manufactured. Now Catacore is actually a 4-in-1 formula, so it has clinically dosed NMN and it also has TMG, quercetin, resveratrol. All of these work together, not in isolation. Check them out on Amazon. Honestly, it's a fantastic product.