The Link Between NAD+ and Ageing: What You Should Know
(And Why NMN Could Be the Key to Healthy Longevity)
🧬 What Is NAD+?
NAD+ (nicotinamide adenine dinucleotide) might sound like something straight out of a biochemist’s playbook. And it is, but don’t let that intimidate you. This essential coenzyme is found in every single cell of your body, and it plays a huge role in how you feel and function.
From converting food into energy, to repairing DNA damage and regulating your internal body clock, NAD+ is basically the unsung hero of healthy cellular function.
But here's the catch: as we get older, our NAD+ levels naturally decline. This decline isn’t just a technicality. It’s been strongly linked to signs of ageing like fatigue, brain fog, slower metabolism, and even increased vulnerability to disease.
It’s one of those hidden pieces of the puzzle that, once you understand it, makes a lot of other things start to click.
⬇️ Why Do NAD+ Levels Decline With Age?
By your mid-30s, your NAD+ production is already starting to decline and by your 50s, it can drop by more than 50%. That’s a significant shift considering how central NAD+ is to energy, repair, and resilience.
This decline contributes to:
- Reduced daily energy
- Slower DNA repair (which affects cellular ageing)
- Mitochondrial dysfunction (your cells’ “power plants” work less efficiently)
- Chronic low-grade inflammation (which underpins many age-related diseases)
- Higher risk of degenerative conditions like heart disease and cognitive decline
No wonder scientists and biohackers alike are paying closer attention to how NAD+ works and how to support it.
It’s not about chasing eternal youth. It’s about maintaining the energy, sharpness, and vitality that lets you enjoy life for longer.
💊 NMN: A Powerful NAD+ Precursor
That’s where NMN (nicotinamide mononucleotide) comes into play. NMN is a direct precursor to NAD+, meaning it’s a building block your body can easily use to create more of the stuff.
Unlike other compounds that need to be broken down and converted multiple times, NMN skips the queue. It goes to work quickly, helping replenish NAD+ levels and support your cellular health from the inside out.
Studies suggest NMN supplementation may help:
- Boost cellular energy metabolism
- Support cognitive and brain health
- Enhance the body’s natural repair processes
- Improve insulin sensitivity and metabolic function
- Protect cardiovascular health and circulation
And it’s not just theory. Leading researchers including Harvard’s Dr. David Sinclair, have put NMN under the microscope and come away convinced of its potential.
This is the kind of science that turns into real-world impact. People report sharper thinking, more energy, and better recovery when their NAD+ levels are supported.
🏃 How to Naturally Support NAD+ Levels
While NMN supplementation is one of the most efficient and direct ways to support NAD+, there are also powerful lifestyle practices that can help boost your body’s own production.
Here are some proven strategies:
- Intermittent fasting – Short windows without food activate longevity pathways and boost NAD+ levels naturally.
- Exercise – Regular movement increases mitochondrial function and NAD+ recycling — a double win.
- Cold exposure – Ice baths and cold showers may sound intense, but they stimulate a cellular response that supports NAD+ synthesis.
- Clean eating – Reducing processed foods and alcohol helps reduce NAD+ depletion and supports optimal metabolic function.
That said, lifestyle changes can take time and sometimes we just need that extra support. NMN remains one of the most effective tools for directly restoring NAD+.
🌿 Why Choose My Dailys NMN?
At My Dailys, we’re not just another supplement company. We started this brand because we were tired of not knowing what was actually in the products we were taking.
We wanted clean, science-led supplements we could trust so we made them.
Our NMN supplement is:
- High-strength and fast-absorbing
- Free from fillers, bulking agents or unnecessary additives
- Lab-tested in the UK for purity, quality, and safety
- Designed for daily use to maintain healthy NAD+ levels
We believe you deserve products that respect your body and your time — so every capsule we create is made with intention, care, and transparency. Simple as that.
❓ NAD+ & Ageing – Frequently Asked Questions
Q: What does NAD+ actually do in the body?
A: NAD+ plays a central role in converting food into energy, repairing damaged DNA, regulating your circadian rhythm, and keeping cells healthy and functional.
Q: Is NMN better than NR?
A: Both NMN and NR (nicotinamide riboside) are precursors to NAD+, but some research suggests NMN may be better absorbed and faster acting, especially in human cells.
Q: When should I take NMN supplements?
A: The morning is usually the best time to take NMN, as NAD+ is linked to your circadian rhythm. Taking it early may help support daytime energy, focus, and mental clarity.
Q: Are NMN supplements safe?
A: Yes. Human studies show NMN is well-tolerated with minimal side effects. However, it’s always wise to consult your healthcare provider before starting any new supplement, especially if you’re managing a medical condition.
Q: Can boosting NAD+ really slow ageing?
A: While no supplement can stop time, supporting your NAD+ levels can improve how you age with better energy, more resilience, and stronger cellular repair processes.
👊 Final Thoughts: NAD+, NMN & Longevity
Ageing is natural but that doesn’t mean we’re powerless in how we experience it.
By supporting your NAD+ levels, you’re not chasing youth, you’re investing in your health. You’re giving your body the tools it needs to stay energised, mentally sharp, and physically resilient for as long as possible.
At the end of the day, that’s what longevity really means: feeling good in your body and mind for years to come.