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Independent·Affiliate-disclosed·Spec-verified·Updated August 7, 2026
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Head-to-head buyer guide

Renue by Science PET NMN Longevity Chews for Dogs vs Zesty Paws Healthy Aging NAD+ Precursor

Specs, prices, editor verdict, and who should buy which - compared side-by-side.

By Ryan · Founder
Updated Aug 6, 2026
Quick verdict

Renue by Science PET NMN Longevity Chews for Dogs (entry, $34.95) vs Zesty Paws Healthy Aging NAD+ Precursor (mid, $59.97) - different tools for different jobs (see the per-product details below).

Compared on 0 shared specs · same category (pets).

Renue by Science PET NMN Longevity Chews for Dogs, 60-count soft chew jar
Renue by Science

PET NMN Longevity Chews for Dogs

Renue by Science sells NMN to humans, and this is its dog version: 60 soft chews for $34.95, the cheapest entry on the pet NAD shelf. Read the label before you read the name. Each chew carries 77 mg of NMN, but it also carries 250 mg of glucosamine, and by weight this is a joint formula with a real NMN dose attached rather than an NMN chew with extras.

PRICE
$34.95
View at Renue by Science
Zesty Paws Healthy Aging NAD+ Precursor capsules box for dogs
Zesty Paws

Healthy Aging NAD+ Precursor

This is the rare pet supplement that borrows directly from the human longevity playbook. The active ingredient is Niagen, the branded nicotinamide riboside found in supplements people take for cellular aging, now dosed for dogs.

PRICE
$59.97
The verdict

These are close picks. Both score in the same range. The right call depends on buyer profile - read the per-buyer recommendations below.

Who should buy which

Pick the Renue by Science PET NMN Longevity Chews for Dogs if

Owners of aging dogs who want joint-formula ingredients and an NAD precursor in one daily chew, and who like that the NMN works out cheaper per milligram than the capsule alternative.

Skip if

Your dog already takes a glucosamine supplement and you do not want to double it, your dog reacts to shellfish or fish, or you want NMN on its own without eight other actives attached.

Pick the Zesty Paws Healthy Aging NAD+ Precursor if

Owners of senior or aging dogs who already believe in NAD+ support for themselves and want the most direct, single-active way to extend that thesis to their dog.

Skip if

You want proven, vet-backed outcomes today, or you would rather spend on a broad senior multivitamin that covers joints, gut, and heart in one chew.

Go deeper

FULL REVIEW
Read the Renue by Science PET NMN Longevity Chews for Dogs review →
FULL REVIEW
Read the Zesty Paws Healthy Aging NAD+ Precursor review →

Frequently asked

Which is better, the Renue by Science PET NMN Longevity Chews for Dogs or the Zesty Paws Healthy Aging NAD+ Precursor?

They are closely matched on our scoring, so the right pick comes down to your priorities. The verdict and spec table above compare them on price, features, and who each one suits.

How much do they cost?

Renue by Science PET NMN Longevity Chews for Dogs: $34.95. Zesty Paws Healthy Aging NAD+ Precursor: $59.97. Prices are verified against the manufacturer; check the live links for current pricing.

Who should buy which one?

Renue by Science PET NMN Longevity Chews for Dogs: Owners of aging dogs who want joint-formula ingredients and an NAD precursor in one daily chew, and who like that the NMN works out cheaper per milligram than the capsule alternative. Zesty Paws Healthy Aging NAD+ Precursor: Owners of senior or aging dogs who already believe in NAD+ support for themselves and want the most direct, single-active way to extend that thesis to their dog.

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