



GroovyNMN Pure NMN | 500mg Capsules
Restore your cells' energy. Feel the difference in weeks.
30-Day 100% Money Back Guarantee
We're so confident you'll love it, take a full 30 days to decide
Support Healthy Aging with GroovyNMN 500mg Capsules.
Our high-strength 500mg NMN capsules are designed to support natural NAD+ levels in your body. NMN is a naturally occurring form of vitamin B3 that may help promote cellular energy and overall vitality
500mg Uthever® Nicotinamide mononucleotide (NMN). Capsule: 100% vegetable cellulose.
Our July 2025 NMN Batch test shows our NMN is an incredible 99.6% pure B-nicotinamide mononucleotide. One of the highest in the market.
July 2025 GroovyNMN Test Report
We only supply high grade 99% purity NMN. We test each NMN batch to ensure it's at least 99% NMN purity.
Take 1 capsule daily, ideally in the morning. This aligns with your body’s natural circadian NAD+ rhythm, helping you get the most out of your NMN supplementation.
Buy before 2pm and we'll ship same day. Orders are sent via Royal Mail Tracked.

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Free Shipping
Buy before 2pm, we ship the same day!
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3rd-Party Tested
Resulting in 99.6% pure NMN
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ISO 9001 Certified
Also Manufactured in HACCP facility
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Clean ingredients
Groovy Supps NMN has been a game-changer for me. After just a few weeks of taking the capsules, I’ve noticed a huge boost in my energy levels and overall mood.
The best NMN I've ever had. I felt the difference,
99.6%
Groovy Supps has been also been tested in by an independent ISO certified third party laboratory. It is >99% B-nicotinamide mononucleotide. If it's not, we won't sell it.
We proudly source our pure NMN from Uthever® Uthever® It is the only NMN raw material manufacturer in the world to conduct clinical trials. Uthever® NMN has the highest purity in the market. Its purity is above 99%. The quality of Uthever® NMN was confirmed by an international third party — Intertek. If it's not at least 99% we won't sell it.
Check latest certificate
What is NMN?
NMN, short for Nicotinamide Mononucleotide, is a tiny molecule that’s found in every cell of living things, including humans. It’s like one of the building blocks that helps make up our DNA and RNA, which are the instructions our bodies use to grow and stay healthy. NMN is special because it can turn into another important molecule called NAD+. NAD+ is really important because it helps our cells make energy and stay strong, which is why NMN is sometimes called an NAD+ booster.
Learn More about NMNWhy NMN?
What NMN does for your body
NMN boosts your NAD+ levels — the molecule your cells need for energy, repair, and resilience. After 30, NAD+ declines rapidly. Here's what restoring it feels like:
Supports Cellular Energy Production
NAD+ powers your mitochondria — your cells' energy factories. Most customers report noticeably more energy within 2-3 weeks.
Cellular repair & recovery
NAD+ is essential for DNA repair and cellular maintenance. Support your body's natural ability to recover and regenerate.
Physical vitality
Feel stronger, more resilient, and more physically capable. NMN supports the energy production your muscles depend on.
Sharper mental clarity
Your brain consumes enormous amounts of NAD+. Higher levels support focus, memory, and cognitive performance.
Better metabolic function
NAD+ regulates metabolism at the cellular level. Support healthy weight management and metabolic resilience.
Healthy ageing support
NAD+ activates sirtuins — your body's longevity genes. Maintaining high NAD+ is one of the most researched anti-ageing strategies.
How much NMN do you need?
Your ideal dose depends on your age. Take in the morning to align with your body's natural NAD+ rhythm:
✔ Ages 30-40: Take 500mg daily - 1 capsule per day
✔ Ages 40-60: Take 750mg daily - 1-2 capsules per day
✔ Ages 60+: Take 1,000mg daily - 2 capsules per day
For best results, take your NMN capsules in the morning to naturally boost energy throughout the day.
Note: Always consult with your healthcare provider before starting a new supplement, especially if you have any existing health conditions or are on medication.
Common Questions
Everything you need to know
Answers to the questions our customers ask most.
How long until I feel a difference?
Most customers report noticeable improvements in energy and mental clarity within 2-4 weeks of consistent daily use. For full cellular benefits, we recommend at least 8-12 weeks. Individual results vary depending on age and baseline NAD+ levels.
Is NMN safe to take daily?
NMN has been studied in multiple human clinical trials with excellent safety profiles at doses up to 1,200mg/day. Our Uthever® NMN is the most thoroughly studied form available. As with any supplement, consult your GP if you have existing health conditions or take medication.
Why is Groovy Supps NMN better than cheaper alternatives?
Three reasons: (1) We use Uthever® — the only clinically trialled NMN — not unbranded Chinese NMN. (2) Every batch is independently tested to confirm 99%+ purity. (3) Our manufacturing partner holds ISO 9001 and HACCP certifications. Many Amazon NMN products use untested, unverified NMN powder with no transparency.
When should I take my NMN capsule?
Take NMN first thing in the morning, ideally before breakfast. This aligns with your body's natural circadian NAD+ production cycle for maximum benefit.
Can I cancel my subscription at any time?
Yes — cancel, pause, or skip any time from your account. No contracts, no minimum commitment. 85% of our subscribers stay because they want to, not because they have to.
FOOD SUPPLEMENT NOTICE
NMN (Nicotinamide Mononucleotide) is a food supplement and should not be used as a substitute for a varied, balanced diet and healthy lifestyle. These statements have not been evaluated by the Medicines and Healthcare products Regulatory Agency (MHRA). This product is not intended to diagnose, treat, cure, or prevent any disease. If you are pregnant, nursing, taking medication, or have a medical condition, consult your healthcare provider before use. Keep out of reach of children.








