NAD+ explained: the coenzyme your cells run on
A plain-language primer on NAD+, the coenzyme cells use in energy metabolism and DNA-repair pathways, plus what compounded NAD+ products are and why a licensed provider decides if they are appropriate.

NAD+ stands for nicotinamide adenine dinucleotide, and it is one of the most common helper molecules found inside living cells. A coenzyme is a small assistant molecule that proteins called enzymes need in order to do their jobs, and NAD+ is involved in hundreds of these reactions. You do not have to be a scientist to grasp the basic idea, your body makes NAD+ from building blocks in food and uses it constantly. This article is general education about what NAD+ is and how it is studied, not medical advice or a promise of any result.
What NAD+ does
The clearest role for NAD+ is in energy metabolism, where it acts like a shuttle that carries small electrical charges during the process that turns food into usable cellular energy. It is also a participant in DNA-repair pathways and other routine cellular maintenance reactions that go on every day. Researchers study how NAD+ levels relate to metabolism and cellular upkeep across different conditions and ages. That research is ongoing, and describing a normal biological role is not the same as claiming a health benefit.
What we do not claim
You may see NAD+ marketed with bold language about aging or lifespan, and we want to be straightforward that we are not making those claims here. The science on how raising NAD+ affects long-term outcomes in people is still being worked out, and honest education means acknowledging that limit. Medlly does not promise that NAD+ will reverse aging, extend life, or produce any specific outcome. Anyone who tells you otherwise is going beyond what the evidence currently supports.
Compounded, not FDA approved
Medlly's NAD+ is a compounded product, which means it is prepared by a pharmacy rather than mass produced as a brand-name drug. Compounded NAD+ is not FDA approved, meaning the FDA has not evaluated it for safety, effectiveness, or quality. This is separate from FDA-approved brand medications you may have heard of in other categories, and Medlly's NAD+ is not any of those products. We share this plainly so you can make an informed choice.
How it is provided
NAD+ and its related building blocks are offered in several delivery formats, including injection, nasal, and oral options, and each has different practical considerations. A licensed provider reviews your health information and decides whether any product is clinically appropriate for you, and a consultation does not guarantee a prescription. Like anything that affects the body, NAD+ products can carry side effects and may not be suitable for everyone. If you are curious, the right next step is a conversation with a qualified provider who can weigh your individual situation.
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