Backed By Science - Rigorously Tested - Free Shipping on Orders $30+

NMN Supplement

$ 48.95

Nicotinamide Mononucleotide (NMN) boosts your body's NAD+ levels, promoting cellular energy and vitality for a refreshed you.
Buy More Save More
Purchase: Subscription

Description

NMN (nicotinamide mononucleotide) is a naturally occurring nucleotide that serves as a precursor in the body's NAD+ (nicotinamide adenine dinucleotide) synthesis pathway. NAD+ is a coenzyme central to cellular energy metabolism, and its levels are known to decline with age, making precursor compounds like NMN an active area of published human research.* This formula delivers 250mg of NMN per serving, best taken earlier in the day as part of a consistent morning routine.

Manufactured in the USA in a cGMP-certified facility. Every batch is tested for purity, potency, heavy metals, and microbial safety. Third-party tests by ISO/IEC 17025-accredited labs. COAs published openly. NMN pairs naturally with Spermidine as part of a complete healthy aging routine.*

Benefits
  • NMN, a precursor in the NAD+ synthesis pathway. NMN is a naturally occurring nucleotide studied for its role as a precursor compound supporting the body's capacity to synthesize NAD+, a coenzyme central to cellular energy metabolism.*
  • Supports cellular energy and healthy aging routines. NAD+ levels are known to decline with age, and NMN is among the most-studied precursor compounds in published human research in this category.*
  • 250mg per serving, consistent daily formulation. Each capsule delivers 250mg of NMN, designed for consistent daily use as part of an intentional morning wellness routine.*
  • Single ingredient, no blend padding. Each capsule contains only NMN, third-party tested for identity and purity, so the milligrams on the label reflect the milligrams you're getting.*
  • DOUBLE WOOD QUALITY: Every batch tested for purity, potency, heavy metals, and microbial safety. Third-party tests by ISO/IEC 17025 accredited labs. COAs published openly.

Directions & Dosage

Take two capsules daily, preferably earlier in the day as part of a consistent morning routine. Can be taken with or without food. Consult your healthcare provider for personalized guidance.

The Science Behind NMN (Nicotinamide Mononucleotide)

NAD+ and Cellular Energy Metabolism

NAD+ is a coenzyme present in every cell, playing a central role in redox reactions involved in cellular energy production. NAD+ levels decline with age, a pattern that has driven substantial research interest in precursor compounds that may support the body's capacity to synthesize NAD+ (Bhasin et al., 2023, Endocrine Reviews).*

NMN as a Precursor Compound

NMN functions as a direct precursor in the NAD+ synthesis pathway, one step closer to NAD+ than NR in the biosynthetic sequence (Yoshino, Baur & Imai, 2018, Cell Metabolism). Published human clinical research has examined oral NMN supplementation for its effects on circulating NAD+ metabolite levels, representing one of the more extensively studied precursor compounds within this research category to date.*

The NAD+ Precursor Research Landscape

The NAD+ precursor category, including NMN, NR, and related compounds, remains an active and evolving area of human clinical research (Freeberg et al., 2023, The Journals of Gerontology Series A). Current published evidence has examined precursor compounds for their effects on circulating NAD+ metabolite levels, with early studies also examining markers such as blood pressure, arterial stiffness, and metabolic function in select populations. Important questions remain regarding optimal dosing, treatment duration, and the degree to which oral precursor supplementation translates into meaningful intracellular NAD+ changes in target tissues.* Research is evolving, and NMN is not intended to diagnose, treat, cure, or prevent any disease.
View Certificate of Analysis View Third Party Test Results
Identity, potency, and contaminants verified per batch Identity, potency, and contaminants verified per batch
Manufactured in an FDA-registered cGMP facility Manufactured in an FDA-registered cGMP facility
Manufactured in the USA from Globally Sourced Materials Manufactured in the USA from Globally Sourced Materials

Benefits

  • Cellular Energy: Supports NAD+, a crucial molecule that plays a vital role in cellular energy metabolism and overall vitality.
  • Anti-Aging: Supports healthy aging by enhancing the body's natural NAD+ levels, which tend to decline with age.
  • Cognitive Function: Promotes brain health and cognitive function by supporting mitochondrial function and reducing oxidative stress.
  • Metabolic Health: Helps regulate metabolism, supporting healthy weight management and metabolic processes.
Benefits

NMN (Nicotinamide Mononucleotide)

NMN is a nucleotide naturally present in the body that functions as a direct precursor in the NAD+ synthesis pathway. NAD+ is a coenzyme required for numerous cellular processes, including energy metabolism, and its levels decline with age. Among the various NAD+ precursor compounds studied in human research, including NR and NMNH, NMN has one of the more established published research bases evaluating its effects on circulating NAD+ metabolite levels.* Every batch tested for purity, potency, heavy metals, and microbial safety. Third-party tests by ISO/IEC 17025 accredited labs. COAs published openly.

NMN (Nicotinamide Mononucleotide)

What Customers Are Saying

Reviews

"Doublewood has consistent quality shipping, great product introductions, and tracks previous orders, and provides incentives for frequent customers. Products are single ingredient supplements, for optimal dosage. Great source for unique supplements."

John T.

"Very pleased with the service, from placing my order to receiving it. Painless, simple, and quick."

Craig V.

"Keeping customers informed about their delivery and being proactive in reaching out to customers. Excellent customer service. It's obvious you're in the business of caring for people. Thank you!"

Sonia B.

See All Reviews
Reviews
Supplement Facts

Pairs well with

Powerful alone, stronger together. NMN Supplement delivers targeted support on its own, but combining it with complementary ingredients can help create a more holistic and balanced approach to wellness.

  • Resveratrol Supplement

    Resveratrol offers antioxidant support and is found in grapes and wine, contributing to your wellness journey.

  • Spermidine Supplement

    Spermidine is a natural compound that supports cellular health and metabolism, found in foods like peppers and mushrooms.

Frequently Asked Questions

What is NMN and how does it work?

NMN (nicotinamide mononucleotide) is a naturally occurring nucleotide that functions as a direct precursor in the body's NAD+ synthesis pathway. NAD+ is a coenzyme central to cellular energy metabolism, and its levels decline with age. NMN supports this pathway as part of a healthy aging routine.*

What is the difference between NMN, NR, and NMNH?

NMN, NR, and NMNH are all precursor compounds in the NAD+ synthesis pathway, differing in their chemical structure and position in the biosynthetic sequence. NMN is a direct precursor, one step closer to NAD+ than NR. NMNH is a reduced salt form of NMN. Each has been studied to varying degrees in published human research.

How much NMN should I take, and when?

Each serving delivers 250mg of NMN. Take two capsules daily, preferably earlier in the day as part of a consistent morning routine. Consult your healthcare provider for personalized guidance, particularly if you are new to NAD+ precursor supplementation.

What supplements pair well with NMN?

NMN pairs naturally with Spermidine as part of a complete healthy aging routine. NMN supports cellular energy pathways by feeding into the NAD+ synthesis pathway, while Spermidine is associated with cellular renewal processes.* Together, they cover two complementary aspects of a healthy aging routine, and both fit naturally into a consistent morning routine.

Is NMN well-studied compared to other NAD+ precursors?

NMN is among the more extensively studied precursor compounds in the NAD+ category, with published human clinical research examining its effects on circulating NAD+ metabolite levels.* As with all compounds in this category, research continues to evolve regarding optimal dosing and long-term outcomes.

Is NMN safe, and are there side effects?

NMN is generally well-tolerated. Mild digestive discomfort may occur in some individuals, particularly when starting supplementation. Those who are pregnant, nursing, or taking prescription medications should consult their healthcare provider before use.

Is this NMN supplement third-party tested, and where can I find the COA?

Every batch is tested for purity, potency, heavy metals, and microbial safety. Third-party tests by ISO/IEC 17025-accredited labs. COAs published openly on this product page.

Overall rating: 4.691275 / 5 from 149 reviews.

AI Generated Review Summary

Customers love the NMN supplement for its excellent quality and noticeable benefits, including increased energy, improved focus, and support for healthy aging. The supplement is soy-free, gluten-free, and non-GMO, making it a versatile choice for those seeking to enhance their overall health and vitality.

Summary topics

  • Supplement Effectiveness (10%): Customers loved the supplement, with many describing it as amazing, very good, and their favorite.
  • Product Quality (13%): It was noted by customers that the quality of the products is excellent and top-notch.
  • Energy and Focus (5%): It was noted by customers that they feel more energized and prepared for their day after taking the product.
  • NMN Benefits (13%): It was noted by customers that NMN is essential for them and helps with various age-related issues.
  • Noticeable Improvements (9%): Customers appreciated NMN for making a huge difference in their skin, hair growth, and ability to focus.

Review topics: ["feeling","quality","energy","issues","dose","improvement","results","shipping","value","expectations","price","nmn","supplement","difference","wood","service","increase","effect","deal","clarity","experience","workouts","change","state","wood\u2019s products"].

Review highlights

  • "Best product for older men wanting to regain muscle best value and quality is excellent" — Anonymous
  • "Product actually makes a difference but the quality is top notch as well" — Dan
  • "Excellent quality product and service." — Anonymous

Reviews

It makes a difference

"I have been taking 2 capsules a day for over a month and I can tell a difference in how I feel. At first I couldn't quite tell what was different but then I realize the NMN was the difference."

— Roger F. (5/5)

NMN is great!!

"NMN really does give me a little boost of energy! I love it and I will continue to buy it. Double Wood prices are very reasonable! Love the company!"

— Lisa B. (5/5)

I’m giving it a 4

"I’m giving it a 4 because I haven’t taking it very long. I’ve forgotten to take it a few times and then realized I wouldn’t be taking it on an empty stomach so refused to take it on those mornings. Will get into the habit of taking it every morning. Have great expectations."

— Linda M. (4/5)

"These seem to make a difference, reordered"

— Joy (4/5)

NMN review

"The reason I tried this supplement was my head just felt foggy and disconnected, about 3 weeks in things started clearing up and my focus was much better."

— Robert W. (5/5)

"Super fast shipping. It arrived the next day. Ive only had it a few days so i dont lnow how I like it yet"

— Shannon (5/5)

"Love love love"

— Suzannah (5/5)

on my 4th bottle and here's why

"Been taking this since April 2025 and it's now 10/16/25 - the pain reduction in my back has significantly decreased - this was a completely unexpected side effect! I used to wake up super stiff in the morning, having a super hard time bending over - I had back surgery 10 years ago and my hip flexors just squeezed my spine so much that I needed surgery. Now I'm bending over w/o issue, picking things up, not suffering like I used to, and improving daily. mental fog is gone, my memory is improving, and I finally got motivated to work out every week because I finally have the energy and stamina and agility to do this. Prior to this I changed my eating habits 2 years following the glucose goddess method, so this has been a long road that I've invested into myself with better health and habits. so this is def not a quick fits, it takes commitment to all areas of your life. I still have stiffness in my lower back but I know with better workouts and stretching I'll get there. I also have ADHD so I made sure this was a great fit with my DNA/epigenetics because I have the MTHFR variant."

— Aimee (5/5)

NMN

"Noticeable improvement in cognition and vitality"

— Kathrina O. (5/5)

Love

"Great product! I have a lot more energy."

— Sarah K. (5/5)

Q&A

Hello, Where do you source you NMN from? And how long does it sit in storage typically before being it is shipped? Thank you!
Thank you for reaching out with your question! For faster assistance with product-related inquiries, we recommend contacting our customer service team directly at hello@doublewoodsupplements.com. Our team will be happy to provide the information or support you need.

NMN Supplement

From

$ 48.95

Primary Benefit

Healthy Aging

Other Benefits

Hair Skin and Nails

Product Form

Capsule
View product
Double Wood Supplements BBB Business Review