My evenings have completely changed
I used to be useless after 7pm. Now I have energy into the evenings and actually enjoy time with my family rather than just surviving until bedtime. Stack has genuinely changed my quality of life.
Nour M.
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Specialty500mg
NR (Nicotinamide Riboside)
NAD+ BOOSTER FOR CELLULAR YOUTH
Dairy freeGluten freeSoy freeGMO free
$49.99/mo
30-day supply
Key Benefits
1
Boosts NAD+ levels for cellular energy and repair
2
Supports healthy aging and longevity pathways
3
Promotes mitochondrial function and metabolism
4
Supports brain health and cognitive function
Recommended Dose
500mg
Take one 300mg capsule daily, preferably in the morning. NR can be taken with or without food, though some people prefer taking it with breakfast. Avoid taking late in the day, as the increase in cellular energy may interfere with sleep for some individuals.
Get your personalized dose⚗️
3rd Party Tested
🩺
Doctor Formulated
🛡️
cGMP Certified
The Details
Why you'll love it
NAD+ (nicotinamide adenine dinucleotide) might be the most important molecule you've never heard of. It's present in every cell of your body and is required for hundreds of metabolic processes, including converting food to energy, repairing damaged DNA, activating sirtuin longevity proteins, and maintaining cellular health.
The problem is that NAD+ levels decline dramatically with age — by roughly 50% between your 40s and 60s. This decline is now believed to be a key driver of aging at the cellular level, contributing to mitochondrial dysfunction, accumulated DNA damage, and the metabolic slowdown associated with getting older.
Nicotinamide Riboside is one of the most efficient precursors for raising NAD+ levels. Clinical trials in humans have confirmed that NR supplementation significantly increases NAD+ in blood and tissues within weeks. While the long-term longevity benefits are still being studied (the animal data is incredibly promising), the cellular mechanisms are well-established: higher NAD+ means better mitochondrial function, more efficient DNA repair, and activated sirtuin pathways. At 300mg, this is the dose used in the landmark human clinical trials.
Research
Clinical Evidence
Key studies supporting NR (Nicotinamide Riboside), from peer-reviewed journals.
1
Nicotinamide riboside raises NAD+ levels up to 142% within two weeks
Safety and metabolism of long-term administration of NIAGEN (nicotinamide riboside chloride) in a randomized, double-blind, placebo-controlled clinical trial of healthy overweight adults — 2019
Study titles are simplified for readability. Provided for informational purposes — not medical advice.
Transparency
What's Inside
Third-Party Tested
Every batch is independently tested by ISO-17025 accredited labs for purity, potency, and contaminants.
Doctor Formulated
Designed by healthcare professionals using evidence-based research and clinical expertise.
cGMP Certified
Manufactured in cGMP & UL certified, FDA-registered facilities with a flawless inspection record.
As with any natural health product, consult your healthcare practitioner. Store in a cool, dry place. Keep out of reach of children. Discontinue use immediately if you experience an adverse event.
What people say
changed my whole routine tbh
used to take like 5 different supplements every morning and always forgot at least two of them. now i take one stack pack and that's it. so much simpler. and the results are actually better. wild.
Hazel B.
The value proposition is actually excellent
I calculated what I was spending on separate supplements, gym supplements, and energy drinks before Stack.
Tim A.
Simple, smart, and it actually works
The packaging is some of the nicest I've seen in wellness. But beyond aesthetics, the product delivers. My energy throughout the day is more stable and I'm recovering faster from workouts. I was genuinely skeptical.
Ashley N.
The inflammation reduction has been significant
I suffer from low-grade chronic inflammation and it affects everything - energy, mood, joint comfort. Stack's personalized formula has noticeably reduced these symptoms over three months. The targeted approach is clearly more effective than generic options.
Eric T.
My husband noticed before I did
About six weeks in my husband said I seemed more like myself - more energy in the evenings, less irritable, sleeping better. I hadn't even consciously registered how much had changed until he said it.
Amara S.
Personalized for you
Not sure if NR (Nicotinamide Riboside) is right for you?
Take our 2-minute Health Assessment and let our AI build your personalized stack — every supplement chosen for your specific goals.
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