Matterdays

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BECAUSE EVERY EXTRA DAY MATTERS

An all in one blend to keep them by your side, feeling Healthy Resilient Playful

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Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Organic Ingredients
Non-GMO
No Fillers or Additives
GMP Certified
Made in the USA
Sustainable Packaging

Only 30% of your pet's lifespan is genetic —the rest is up to you.

Meet MD1

Immune Defense
Joint Mobility
Gut Health
Cognitive & Heart
Stress Resilience
Skin, Coat & Cellular Vitality

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Cellular Defense

Aging and daily stress weaken your pet’s cells, joints, and immunity.

MD1 protects against cellular decline—helping your pet stay healthy and active for years to come.

How MD1 Works

Veterinary-formulated for dogs & cats with 17 clinically studied actives backed by 300+ pet studies and thousands of mammalian longevity trials.

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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 Mobility

Cushions joints, reduces inflammation, and keeps movement smooth.

Tested for the ones we love

Our Quality Standards

Non-GMO

Pesticide & Glysophate Screened

Microbial & Toxin Tested

Alergen Free

Heavy Metal Tested

3rd Party Tested

Whats inside the scoop?

Every ingredient is chosen with purpose nothing extra or artificial. Just real bioavailable nutrients your pet can actually use.

Full ingredient list

Bone Broth

Pasture Raised

Green Lipped Mussel

Joint Support

Ashwagandha

KSM 66

Bovine Colostrum

Liposomal

Nicotinamide Riboside

Mitochondria Health

Maitake Mushroom

Fruiting Body

Proof Behind the Promise

Proof Behind the Promise

Clinically driven

Backed by ongoing veterinary-led trials to validate results.

Formulated by Dr. Jenna

A holistic vet uniting Eastern traditions with modern Western science.

Traceable Ingredients

Full sourcing transparency for every ingredient.

Sustainable by Design

Ocean Bound Plastic, refill-ready packaging.

Clinically driven

Backed by ongoing veterinary-led trials to validate results.

Formulated by Dr. Jenna

A holistic vet uniting Eastern traditions with modern Western science.

Traceable Ingredients

Full sourcing transparency for every ingredient.

Sustainable by Design

Ocean Bound Plastic, refill-ready packaging.

Vet-Created Longevity for Pets

Dr. Jenna Lenarz, DVM, MRCVS, is a UK-trained holistic veterinarian who has spent decades blending modern veterinary science with time-tested holistic therapies. After years in practice, she saw too many supplements overpromising and underdelivering — forcing pet parents to juggle multiple products with little real impact. Matterdays was created to change that. By uniting clinically studied ingredients with holistic wisdom, Dr. Jenna designed MD1 as the supplement she always wished existed: simple, science-backed, and truly effective in helping pets not just live longer, but live better

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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