Unleash your dog's longevity with Long Tails
Made in USA with globally sourced ingredients
30-day return guarantee
Unleash your dog's
longevity with Long Tails
Made in USA with globally sourced ingredients
30-day return guarantee
Transform Your Dog’s Health!
Over 1,600 scientific publications link NAD+ to aging, metabolism, and longevity. Our formula was developed based on this extensive body of research addressing the natural decline of NAD+ levels in dogs with age.
Cellular Health
NAD+ levels support healthy cellular function as we age. Aging Cell, 2022
Exercise & Metabolism
NAD+ pathways play an important role in metabolic response to exercise training. Frontiers in Physiology, 2018
Muscle Health
NAD+ metabolites are involved in maintaining healthy muscle function during aging. Cell Reports, 2019
Brain Health
NAD+ supports healthy brain function during aging. Aging Cell, 2022Age Affects Our Best Friends Faster Than We Think
LongTails is the first supplement designed to comprehensively support aging dogs92%
of senior dogs experience age-related cognitive decline7-10x
Faster aging than humans means earlier intervention is crucial
The Science Supporting Longtails
Results from clinical studies on Longtails ingredients:
Quality You Can Trust
We take every necessary step to ensure total quality confidence throughout the supply chain, from raw materials to finished products. Our supplements are manufactured at a NASC Preferred Supplier and undergo rigorous testing at an A2LA ISO 17025 accredited testing laboratory following cGMP and GLP for:
Active ingredients quantity and potency
Absence of microbial and other contaminants
Science-Backed:
Our formula features Nicotinamide Riboside and Hydrolyzed Collagen I, III, supported by scientific research for healthy aging in dogs.
Clean Formula:
Made with carefully selected beef broth and liver powders as carriers. No artificial flavors, preservatives, synthetic colors, or fillers.
All Breeds:
Suitable for all dog breeds with easy-to-follow dosing based on your dog's size.
Quality Assured:
Made with love in the USA from the best US and globally sourced ingredients in cGMP-certified facilities.
Active Ingredients Per Scoop (4g):
Hydrolyzed Collagen I, III (Bovine) - 1500mg
Nicotinamide Riboside Chloride - 200mg
Inactive Ingredients:
Beef Bone Broth Powder
Beef Liver Powder
Safety:
Grain-free formula suitable for all adult dogs. For use in dogs only. As with any supplement, consult with your veterinarian before starting, especially if your dog has pre-existing conditions or is taking medications.
Research-Backed Formula:
NAD+ levels are essential for optimal cellular function and naturally decrease in dogs as they age. Our formula is specifically designed to support healthy aging and vitality.
Quality Testing:
Every batch undergoes rigorous testing to ensure potency and purity, meeting strict quality control standards.
Veterinarian Reviewed:
Our formula has been reviewed by veterinary professionals to support healthy aging, mobility, and overall vitality in dogs.
Administer once daily during or after mealtime:
Small Breed (<26 lbs): 0.5 scoop
Large Breed (27-75 lbs): 1 scoop
Extra Large Breed (>76 lbs): 1.5 scoop
LongTails NAD+ Precursor supports multiple aspects of your dog's health:
- Cellular Health & Vitality
- Healthy Skin
- Smooth Joints
- Sharp Brain Function
- Strong Muscles
- Healthy Heart
Most pet owners report seeing positive changes in their dog's energy levels, mobility, and cognitive function within 2-4 weeks of consistent use.
taste-like
NATURAL & ROBUST
RICH BONE BROTH
SAVORY BEEF LIVER
NAD+ Precursor
Collagen
Beef Bone Broth
Beef Liver
What dogs (and their parents) are saying
Join The Happy Dog Parents Supporting Their Pets’ Health
"5 Stars – Finally, Something My Dog Loves! I can’t say enough good things about Longtails NAD+ Supplement. My dog is incredibly finicky—she usually turns her nose up at anything new, even when it’s good for her. To my surprise, she actually loves this! I’ve been mixing it in during mealtime and she doesn’t hesitate at all. It’s also a relief to know she’s getting collagen and protein to support her aging body. "
Jennie N.
"I was really excited to see this on here as my dog is 8.5 and I've been starting to worry about him aging. I usually give him dry food so instead of sprinkling this on his food, I just mixed up the recommended amount with some water. I gave it to him and he immediately licked the plate clean! He's only about 12 pounds so I gave him about 1/4 of the scoop since the directions say a half scoop for less than 26 pounds so I figured 1/4 a scoop was perfect for his size. So this will last me a while! So glad he loves the taste because sometimes it's just so hard to get him to try anything new!"
Raquel
"Purchased Longtails NAD+ Precusor Collagen Dog Supplement for our 12 year old dog. Love that the ingredients are simply collagen, NAD, bone broth, and beef liver without a bunch of binders and additives. Our dog is picky but loved the flavor. I expected to need to hide it in his food or mix with a treat but he ate his meal with the powder added right on top and wanted more!"
momx3
Us vs. Them
Not overpriced or stuffed with cheap fillers. Just science-backed ingredients for healthy aging that dogs actually enjoy.
Want to join the pet parents supporting their senior dogs?
Get LongTails
Any last questions?
Your supplement typically arrives within 3-5 business days. We also offer Buy with Prime and expedited 2 business day shipping.
Your order includes the selected supplements, a guide, and helpful resources for your dog.
Most dogs show improvement within 2-4 weeks, but every pup is different!
We offer a hassle-free return policy within 30 days of purchase. Contact support for help.