Are you using niacin or nicotinamide riboside? If so, watch this video! These supplements can help you age more gracefully and give you more energy, but they can also hurt your liver, mess with your neurotransmitters and your mood, and even sap your energy. In this video I discuss using a powder for better control over the dose, and how to match your niacin dose to a corresponding dose of trimethylglycine (TMG). The nicotinamide riboside powder can be found at hpnsupplements.com. The TMG can be found at https://chrismasterjohnphd.com/tmg. If you use my affiliate link for the TMG, I will get a small commission at no extra cost to you, which will help support the free work This episode is brought to you by Testing Nutritional Status: The Ultimate Cheat Sheet. Everything you could ever need to know to optimize your nutrition, all in one place. Easier to find and use than ever before. Get your copy at https://chrismasterjohnphd.com/cheatsheet Use the code LITE5 to get $5 off. To get these episodes free of ads, with transcripts, and weeks or sometimes even months before they are released to the public, along with access to monthly live Q&A sessions, sign up for the CMJ Masterpass at https://chrismasterjohnphd.com/masterpass. Use the code LITE10 to get 10% off. To make it easier to get the discount, use this link, which has the coupon already activated: https://masterpass.chrismasterjohnphd.com/cmj-masterpass/2200/buy?coupon=LITE10