NAD+ Precursor · Senior Dogs

Less stiffness getting up.

The thing owners notice first, in their own words. Usually within two to three weeks. Not a miracle. A daily routine, backed by clean ingredients.

A gray-muzzled senior dog running to catch a tennis ball in a sunlit yard — Twelve and a half. **Still beats you to the ball.**

Four ingredients. That's the whole label.

200mg Nicotinamide Riboside 1,500mg Hydrolyzed Collagen Beef Bone Broth Freeze-Dried Beef Liver

★★★★★

"By week three he was getting up off the floor without that groan. Same dog, more good days."

Verified Amazon Review

A hand holding the LongTails NAD+ supplement jar

What lands in your cart

The exact jar, scoop included. Up to a 2-month supply.

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90-Day Guarantee Ships with Prime Clean Label

More good days. Proactive, not reactive.

LongTails is a nutritional supplement, not a drug, and is not intended to diagnose, treat, cure, or prevent any disease. Results vary and take time. Consult your veterinarian about your dog's health.