NAD Regen · The complete NAD formula

Sharper at 2pm. Stronger at 60.

NAD Regen supports the cellular energy you feel this afternoon and the healthy-aging pathways you'll be glad you fed at 60.* Two capsules, every morning.

  • Research led
  • Patented actives
  • Zero fillers
  • Third-party tested

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Biology, optimized

NAD Regen. The complete NAD formula.

A bottle of Bio Stack Nad Regen dietary supplement with an amber brown bottle, a silver cap, and a white label featuring black and gold text.

$77.00

Subscribe for $65.45/mo · from $2.18 a day

· 152 reviews

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90-day guarantee - Fast US shipping

Every formula has a purpose.

Four purpose-built formulations targeting key biological processes associated with healthy aging. Each developed with carefully selected, science-backed ingredients to support specific aspects of long-term health and performance.

  • Most popular
    Cellular energy

    NAD Regen

    Powered by clinically studied NAD3®, spermidine and Veri-te® resveratrol to support healthy NAD+ metabolism, cellular renewal and healthy aging.*

    $77or $65.45/mo
  • Mitochondrial health

    GlyNAC+

    Combines clinically studied glycine and NAC with Ca-AKG to support glutathione production, mitochondrial function and healthy aging.*

    $29or $26.10/mo
  • Cellular defense

    Cell Shield

    Combines Setria® glutathione, CellG8® liposomal vitamin C and Curcumin C3 Complex® to support a healthy inflammation response, antioxidant defense and cellular health.*

    $59or $53.10/mo
  • Metabolic health

    GDAid

    Powered by GlucoVantage® dihydroberberine, recognized as the gold standard in its category for its superior absorption compared to generic forms of berberine, plus six complementary ingredients to support healthy blood sugar metabolism.*

    $69or $62.10/mo

*These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

Trusted by experts and real customers.

  • Kris Gethin

    Kris Gethin

    Age 52 · BioStack co-founder†

    "Everybody over 40 should be obsessed about their NAD levels."

  • Dane Palarino

    Dane Palarino

    Age 47 · DadBod Sculptors founder‡

    "The men I help are all in their 40s, 50s and 60s and are focused on reclaiming their health. NAD Regen has become a staple choice amongst my community."

  • Eric Skoloff

    Eric Skoloff

    Age 55 · Hyrox athlete + CEO‡

    "Straight up, for men over 40 looking to feel sharp and perform at the highest level, I cannot recommend NAD Regen enough based on my personal experience."

  • Dr. Dome

    Dr. Dome

    Age 42 · World's leading biological dentist + Supzential.com founder§

    "Love the journey this team has gone through to create A+ products"

  • †Co-founder and co-owner of BioStack Labs.
  • ‡Affiliate partner: earns a commission on purchases made through his links.
  • §Received free product from BioStack Labs.

Real customers. Real results.

152 reviews. 4.49 out of 5.

Verified NAD Regen customers

  • "I have been using NAD Regen for a little over a year now, and my energy levels have been amazing. All other things, diet, training, sleep and work being the same, I have had noticeably more energy and drive."

    Drew

    Verified buyer · New York, US

  • "Been about a month and I have noticeably more energy already, especially early afternoon. I'm a believer."

    Bryan K.

    Verified buyer · Calgary, CA

  • "I think I am noticing a difference in mental clarity and even energy. Almost through one full bottle, and I plan to continue!"

    Tyler K.

    Verified buyer · Denver, US

Reviews are verbatim from Judge.me. Individual results may vary.

Read all 152 reviews
Kris Gethin

Our mission

Help people live stronger, longer, more capable lives.

Living longer isn't enough. You want the energy to use the years, the strength to keep going, and the clarity to stay sharp.

"I joined BioStack's health council in 2019, before NAD was a trend. I vetted the research, spoke to the professor behind NAD3®, and have taken NAD Regen every morning since. In 2026 I put my own money in."

Kris GethinCo-owner, BioStack Labs

Our Story

Kris Gethin is a co-owner of BioStack Labs and has a financial interest in its products.

  • Licensed, patented actives

    NAD3®, Veri-te®, Yüth™, AstraGin®, Setria®. Backed by clinical trials.

  • No fillers, no binders

    Every ingredient has a job. Zero toxic fillers.

  • Third-party tested

    Independently tested for heavy metals. Full label transparency.

  • 90-day guarantee

    Love it or a full refund. Zero risk purchase.

NAD Regen on a kitchen counter at breakfast

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