Longevity supplements are one of the fastest growing categories in wellness, and NAD+ support and berberine are two of the most searched ingredients in that space. They are frequently mentioned in the same breath but they target different biological processes, so "which one is better" is the wrong question. The better question is which one matches what you are actually trying to address.

Want the specs side by side instead? See our Longevity Supplements Compared table.

NAD+: cellular energy support

NAD+ (nicotinamide adenine dinucleotide) is a coenzyme involved in how cells produce energy, and levels are understood to decline with age. Supplements in this category typically use precursor compounds intended to support the body's own NAD+ production. Research is active and evolving, mostly in early stage human and animal studies, so think of this as a forward looking category rather than a settled one.

Berberine: metabolic support

Berberine is a plant compound that has been studied for its effects on blood sugar and lipid metabolism, sometimes nicknamed "nature's Ozempic" in wellness media, a comparison that overstates the evidence. Clinical research on berberine for metabolic markers is more established than NAD+ research, though it still should not replace medical treatment for diagnosed metabolic conditions.

How to choose

  • Focused on general energy and cellular aging: NAD+ support is the more directly aligned option
  • Focused on blood sugar and metabolic health: berberine has the deeper research base
  • Not sure: most people interested in general longevity start with whichever addresses their more noticeable day to day concern
Our picks

Longevity Capsules and Metabolic Balance Capsules

★★★★★★★★★★78/100

Longevity Capsules focus on NAD+ precursor support, while Metabolic Balance Capsules are formulated around berberine. Neither is intended to diagnose, treat, cure or prevent any disease, and both are best used alongside, not instead of, medical care for any diagnosed condition.

See Longevity Capsules

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.