Short answer: NMN is not excluded from the dietary-supplement definition in the United States. In its September 29, 2025 response, the FDA said NMN had been marketed as a dietary supplement in the U.S. before the relevant drug-investigation authorization. That answers the legal-category question. It does not mean the FDA approved NMN for anti-aging, or that every NMN bottle … [Read more...] about Is NMN Legal in the U.S.? FDA Status and Safety Guide
Are NAD Supplements Worth the Money? Cost, Safety and Evidence
NAD supplements may be worth considering only if the label, total cost, and evidence fit the outcome you care about. Before you spend money, separate the ingredient from the marketing, count every bottle and fee, and decide what would make the purchase feel worthwhile to you. In a University of Michigan poll, 56% of respondents were very concerned about medical-care costs for … [Read more...] about Are NAD Supplements Worth the Money? Cost, Safety and Evidence
NMN Certificate of Analysis Guide: What to Check
An NMN certificate of analysis can help with one narrow safety-at-home question: what was measured in one particular sample. Before you trust it, match the product name, form, lot number, and date to the bottle or offer in front of you. A 2024 study that tested 18 NMN supplements found measured amounts that differed from the labels, and three of the NMN samples had no NMN … [Read more...] about NMN Certificate of Analysis Guide: What to Check
Medication and Supplement List: Printable Safety Checklist
Short answer: before you add another pill or supplement, put every product you use on one current list. Include prescriptions, over-the-counter medicines, vitamins, herbs, gummies, powders, drinks, and items you use only now and then. A University of Michigan poll of adults ages 50 to 80 found that 28% reported using at least five prescription medicines in a typical week, while … [Read more...] about Medication and Supplement List: Printable Safety Checklist
NMN vs NAD vs NR: Ingredients, Routes and Evidence Guide
Short answer: NAD+ is a molecule your cells use in metabolism. NMN and NR are related compounds used in pathways connected to NAD+, so taking NAD is not automatically the same thing as taking NMN or NR. Start with the ingredient panel and the route—swallowed, infused, applied to skin, or another form—then ask what a human study of that exact option actually measured. A 24-week … [Read more...] about NMN vs NAD vs NR: Ingredients, Routes and Evidence Guide