MD1 LONGEVITY POWDER

MD1 LONGEVITY POWDER

A highly-absorbable, all-in-one formula of organic superfoods, adaptogens, and joint-support nutrients — vet-developed to help dogs and cats of all ages stay healthy, mobile, and thriving every day.

  • Immune Defense
  • Joint Mobility
  • Gut Health
  • Cognitive & Heart
  • Stress Resilience
  • Skin Coat & Cellular Vitality
Select Pet:
Cat/Toy Dog
0-20 lbs
Small Dog
20-45 lbs
Medium Dog
45-75 lbs
Large Dog
75-100 lbs
XL Dog
100+ lbs
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Feeding Guide

Serving size is 1.7 grams. Sprinkle over your pet’s food or mix with a small amount of water for easy serving. Dosing instructions here

Ingredients

Pasture-Raised Beef Bone Broth – 500 mg
Bovine Colostrum (30% IgG) – 100 mg
Organic Pumpkin Powder – 50 mg
Larch Arabinogalactan – 25 mg
Probiotic Blend (1 Billion CFU per serving; B. lactis, B. infantis, B. bifidum, L. reuteri) – 20 mg
Organic Maitake Mushroom Powder – 25 mg
Organic Turkey Tail Mushroom Powder – 25 mg
Liposomal CoQ10 – 5 mg
Quercetin (from Sophora japonica extract) – 5 mg
Biotin – 0.005 mg
Organic Ashwagandha (KSM-66®) – 20 mg
Glucosamine Sulfate – 100 mg
Chondroitin Sulfate – 100 mg
MSM (Methylsulfonylmethane) – 25 mg
Green-Lipped Mussel – 100 mg
Taurine – 100 mg
Nicotinamide Riboside Chloride (NRC) – 10 mg

How to serve

3 Simple Steps

Scoop

Measure the correct amount for your pet’s weight with the included scoop.

Serve

Sprinkle over their favorite meal or blend with a splash of water or bone broth for a nourishing boost.

Thrive

Consistency turns daily nutrition into lifelong vitality.

Targeted Longevity Support

MD1 delivers targeted longevity support across six key systems — cellular, immune, joint, gut, heart, and skin. Every ingredient is selected for its bioavailable, research-backed benefits, then blended to work in harmony for measurable, long-term vitality.

 Non-GMO
Pesticide & Glysophate Screened
Allergen Transparency
Microbial & Toxin Testing
Heavy Metals Tested
3rd Party Tested

Why Matterdays

Matterdays MD1

Leading Competitors

Vet Formulated

Organic Ingredients

Pasture-Raised Bone Broth

Clinically Studied Ingredients

No Fillers or Inactive Ingredients

3rd Party Tested

Sustainable Packaging

Why I Created MD1

From the Clinic to Your Dog’s Bowl As a veterinarian, I’ve seen how the right nutrients can transform a dog’s health — brighter eyes, smoother movement, better digestion, calmer moods. But to get those results, I often had to send pet parents home with five or six different supplements. It wasn’t practical. MD1 is the supplement I always wished existed: one formula that combines high-quality ingredients in the right doses, designed to work synergistically. Built on an integrative philosophy — blending conventional science with holistic wisdom — MD1 supports the body’s natural intelligence while protecting against the wear and tear of modern life. The result? Simple, sustainable, effective wellness — so your dog can live not just longer, but better.

— Dr. Jenna Lenarz, Chief Veterinary Officer

Cellular Defense

Aging and daily stress wear away your dog’s cells, joints, and immunity.

MD1’s daily longevity blend protects against cellular decline—helping your dog stay active, resilient, and healthy for years to come.

How MD1 Works

Formulated with ingredients supported by over 5,000 peer-reviewed studies addressing six key systems of longevity

Immune Defense

Activates immune cells for stronger daily defense and long-term vitality.

Gut Health

Balances the microbiome for smoother digestion and nutrient absorption.

Joint Support

Cushions joints, reduces inflammation, and keeps movement smooth.

Whats inside the scoop?

Every ingredient is chosen with purpose- nothing extra, nothing artifical. Just real bioavailbe nutrients you pet can actually use.

1% OF EVERY ORDER HELPS BUILD A SAFER WORLD FOR PETS

Every purchase supports our mission to create peaceful sanctuary spaces for vulnerable pets — places where they can heal, feel safe, and receive the care they deserve.

Your pet’s daily ritual becomes hope for another.

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