MD1 - FOR DOGS & CATS
Daily Longevity Blend
MD1 - FOR DOGS & CATS
Daily Longevity Blend
Seventeen clinically studied actives. Zero fillers. Formulated to support the six biological systems that age first. One daily ritual, for the years that matter most.
- 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
Choose Plan:
OR
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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
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
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.
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
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
3 Simple Steps
PURITY
Nothing hidden
Every batch of MD1 is third-party tested and verified.
What we put on the label is what's in the scoop —nothing
more, nothing less.
THE FORMULA
Adaptogens. Mushrooms. Marine extracts. Bone broth.
Seventeen actives. Every one earns its place.
-
Larch Arabinogalactan
-
Maitake Mushroom
-
Turkey Tail Mushroom
-
Quercetin
-
Glucosamine
-
Chondroitin
-
MSM
-
Green-Lipped Mussel
-
Probiotic Blend
-
Pumpkin Powder
-
Bone Broth
-
Taurine
-
CoQ10
-
Nicotinamide Riboside
-
Ashwagandha
-
Biotin
The Difference
Why Matterdays.
MD1
Leading Competitors
Vet formulated
Organic ingredients
Pasture-raised bone broth
Clinically studied ingredients
No fillers or inactive ingredients
Third-party tested
Sustainable packaging
Reviews
What owners say.
- 4.8 out of 5
- Based on 29 reviews
- Verified by Trustpilot
"Great Experience - Great product!"
Great Experience! The website made it easy to determine my pets needs and make an informaed decisiomn about his health supplement needs. Delivery was super fast and my black lab has been doing great on it so far! Looking forward to seeing the positive results in the near future!
Trevor Schaper
Black Lab · 2 years
"More energy at 11."
I wasn't sure what this would do for her at her age, but after a few weeks she has noticeably more energy on walks and her coat looks the best it has in years.
Sarah K.
Golden Retriever · 11 years
"Even my picky one eats it."
What I appreciate most is the focus on transparency and thoughtful formulation. Even though our dog is picky, she takes it without any issue mixed in.
Jasmin R.
Shiba Inu · 4 years
"Clear vitality boost."
I noticed a clear improvement in energy and overall vitality, which aligns with their focus on science-backed, preventive pet health.
Shay L.
Golden Retriever · 6 years
"More energy at 11."
I wasn't sure what this would do for her at her age, but after a few weeks she has noticeably more energy on walks and her coat looks the best it has in years.
Sarah K.
Golden Retriever · 11 years
"Even my picky one eats it."
What I appreciate most is the focus on transparency and thoughtful formulation. Even though our dog is picky, she takes it without any issue mixed in.
Jasmin R.
Shiba Inu · 4 years
"Clear vitality boost."
I noticed a clear improvement in energy and overall vitality, which aligns with their focus on science-backed, preventive pet health.
Shay L.
Golden Retriever · 6 years
Six Systems
Built for every system that ages first.
Seventeen actives. Six systems. One daily scoop.
Activates immune cells for stronger daily defense and long-term vitality.
Cushions joints, reduces inflammation, and keeps movement smooth.
Balances the microbiome for smoother digestion and nutrient absorption.
Supports pet brain and heart health, energy, focus, and healthy aging.
Supports calm mood, balanced energy, stress relief, and emotional wellness in pets.
Supports healthy skin, shiny coat, reduced irritation, and overall pet vitality.
The Formulator
Veterinary-formulated.
Formulated by Dr. Jenna Lenarz, DVM, MRCVS — a UK-trained holistic veterinarian who blends modern veterinary science with time-tested holistic therapies.
