LongTails NAD+ Precursor Senior Dog Supplement Powder - 200mg NR + 1,500mg Collagen - 30 Scoops, 60 DaysA daily longevity supplement for dogs, built on four real ingredients: 200mg NR (an NAD+ precursor) for cellular energy 1,500mg hydrolyzed collagen for skin and coat Grass fed bone broth, a flavor dogs love Freeze dried beef liver for everyday nutrients One scoop a day, every dose printed on the label. Made in a cGMP facility in the USA. For more good days, backed by a 90 day money back guarantee.

200mg NR (an NAD+ precursor) for cellular energy

built on four real ingredients:

a pet-specific probiotic

every dose printed on the label

mitochondrial cofactors

and a prebiotic — in a beef liver and bone broth base your dog will actually want to eat

A daily longevity supplement for dogs

60 scoops per jar

One scoop a day

Freeze-dried beef liver for everyday nutrients

8-year university aging study

Made in a cGMP facility in the USA