nad+. the molecule that switches off ageing?
It's become the darling of the "ageing well" conversation — so let's cut through the noise and look at what it actually is, what it does, and whether it lives up to the headlines.
So, what is it?
NAD+ (nicotinamide adenine dinucleotide, if you want the full mouthful) is a coenzyme found in every single cell in your body. Think of it as one of the workhorses of cellular life: it helps turn the food you eat into usable energy, and it's a key player in the everyday repair and maintenance your cells carry out. Without it, the lights simply don't come on.
Here's the catch — our natural NAD+ levels gradually decline as we get older. Because it sits at the heart of cellular energy and repair, that decline is exactly why NAD+ has become such a hot area of research in the science of ageing well.
Why a precursor is the clever approach
Here's a quirk worth knowing: swallowing NAD+ itself isn't very efficient. It's a large molecule, and much of it is broken down in digestion before it ever reaches your cells. So the smarter route is to give the body a precursor — a raw material it can absorb easily and then build into NAD+ itself.
That's where Viridian's new NAD+ Cellular Protect comes in, and why it's caught our eye. Its engine is 300mg of Nicotinamide Riboside (NR) — one of the best-researched NAD+ precursors, set at a meaningful dose. It's paired with NAD+ directly, plus CoQ10 (another cornerstone of cellular energy), vitamin E (which helps protect cells from oxidative stress), and niacin (vitamin B3) — which contributes to normal energy-yielding metabolism and the reduction of tiredness and fatigue. A thoughtful supporting cast around a well-dosed hero.
More isn't always better — the ceiling
One thing we always explain in store: with NAD+, there's a ceiling. Your body regulates its own levels, so once you've given it a good, effective dose of precursor, piling on more doesn't keep pushing NAD+ higher and higher — it plateaus. You hit diminishing returns surprisingly quickly, and end up paying an extortionate amount of money for a high dose supplement, that’s not really doing any extra work for you. This is why we rate a sensible, well-formulated daily dose like Viridian's over the "mega-dose" approach. It's not about how much you throw at it; it's about giving your cells what they can actually use.
Our take
NAD+ is a genuinely exciting area, and NAD+ Cellular Protect is a considered, well-dosed way to explore it — especially if energy and everyday vitality are on your mind. As ever, we'd say get the basics right first (sleep, movement, a good diet (packed with healthy fats, protein and collagen), vitamin D through our grey months), and think of something like this as a next step once those foundations are in place.
Curious? Pop in and we'll happily talk you through it.