Built for the long run.
Every cell has a lifespan. MD1 is formulated to support how they age, with ingredients backed by published research across six systems.
Supports normal immune function, day to day and season to season.
Supports a balanced gut microbiome and comfortable digestion.
Supports joint comfort and smooth movement.
17 active ingredients. No flow agents, no bulking agents, no artificial anything. Every ingredient on the label does work in your pet's body.
Every batch of MD1 is tested by Eurofins, an independent lab, for heavy metals, glyphosate and microbes. The batch report is published on our Quality page.
Manufactured in the United States at a cGMP-certified facility audited to NASC standards. Developed with a veterinarian.