Private Label Longevity Supplements: 7 Ingredients Brands Are Building Around in 2026

Healthy aging is one of the fastest-moving categories in supplements. Shoppers are no longer satisfied with a basic multivitamin. They are reading about NAD+, mitochondria and cellular renewal, and they want products built around the ingredients behind those headlines. For brands, that creates a clear opening for private label longevity supplements that are differentiated, well formulated and easy to take every day.

Below are seven ingredients worth building a longevity line around, plus how to turn them into a finished product with Covalent.

1. NMN (Nicotinamide Mononucleotide)

NMN is a precursor to NAD+, a coenzyme that naturally declines with age and is central to cellular energy. Human studies on NMN are still early but growing, and consumer awareness is high. NMN supports healthy cellular energy and is a natural anchor ingredient for a longevity stack. Covalent offers private label NMN capsules, and NMN can also be built into a custom gummy formula.

2. Urolithin A

Urolithin A is a compound the body produces from ellagitannins (found in pomegranate and walnuts), but many people produce little of it. Clinical research in adults has looked at its role in mitophagy, the process cells use to recycle worn-out mitochondria, and in muscle endurance. Urolithin A supports mitochondrial health and healthy muscle function as we age, which makes it one of the most talked-about longevity ingredients right now. It is available as an ingredient in a custom formula gummy quoted to your spec.

3. Taurine

A 2023 study in Science linked taurine levels to healthy aging markers in several animal species. Taurine supports cellular energy, antioxidant defenses and healthy muscle function, and it pairs well with NMN in an “energy and vitality” positioning.

4. Fisetin

Fisetin is a flavonoid found in strawberries and apples. Research has focused on its role in supporting the body’s natural clearance of aging (senescent) cells. It supports healthy cellular aging and is a strong differentiator because few mass-market products feature it.

5. Spermidine

Spermidine is a polyamine found in wheat germ and aged cheese. It supports autophagy, the body’s natural cellular renewal process, and fits well into a nighttime or “renewal” formula.

6. Alpha-Ketoglutarate (AKG)

AKG is a metabolite involved in cellular energy production. Animal research on calcium AKG has drawn interest in healthy-aging circles. AKG supports cellular energy metabolism and works well alongside NMN and taurine.

7. Pterostilbene and Resveratrol

Pterostilbene is a close relative of resveratrol with greater bioavailability. Both support antioxidant defenses and healthy aging. Covalent offers private label pterostilbene capsules and private label resveratrol capsules.

Building a Longevity Stack

The strongest products combine ingredients that work on complementary pathways instead of single-ingredient bottles. Example positioning:

  • Cellular Energy: NMN + taurine + AKG
  • Cellular Renewal: urolithin A + spermidine + fisetin
  • Antioxidant Support: pterostilbene + resveratrol + CoQ10 or astaxanthin

Format: Gummies vs. Capsules vs. Softgels

Capsules handle higher doses of ingredients like NMN. Gummies win on daily compliance and shelf appeal. Covalent’s custom formula gummies let you build a longevity gummy around your own ingredient list, while capsules and softgels cover higher-dose SKUs in the same line.

Why Brands Work With Covalent

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.

Ready to Build Your Line?

Talk to Covalent about your formula, format and launch timeline. Call 702-766-4367 or email rich@covalentcbd.com for a custom quote.