Sensilia Laboratory is a French, family-owned and independent laboratory based in Gironde, France. Since 2019, we have been researching and manufacturing healthy, innovative wellness products.
Overweight dogs and joint pain: causes, consequences, nutritional solutions, and practical tips to restore mobility and comfort.
Published in
Dog Joint HealthExcess weight in dogs is not just a matter of appearance: it is a factor that worsens joint problems, documented by several leading veterinary studies. By helping your dog lose weight and adopting a few good habits, you can significantly improve his mobility and comfort.
Every extra kilo puts direct pressure on the animal's musculoskeletal structures. This extra load increases pressure on the hips, elbows, and knees (stifles) and accelerates wear on joint cartilage.
Limiting weight gain delays the onset of joint problems.
Labradors fed ad libitum develop signs of osteoarthritis 2 years earlier than littermates given a 25% restricted ration. At age 8, 43% of overfed dogs show osteoarthritis, compared with only 10% in the restricted group.
Adipose tissue (body fat) is not simply a store: it secretes inflammatory molecules (pro-inflammatory cytokines: TNF-α, interleukin-6 (IL-6), leptin). These molecules maintain a state of chronic inflammation, accelerating breakdown of joint cartilage and reducing its ability to regenerate.
Marshall's 2009 article describes in detail this correlation between obesity, inflammation, and joint breakdown. It notes that this systemic inflammation can be present even before the first visible symptoms of osteoarthritis appear.
Excess weight acts as a silent accelerator of joint inflammation.
When joints are painful, dogs move less. This inactivity reduces muscle mass, slows metabolism, and promotes weight gain. This is what is known as a vicious cycle: excess weight → joint pain → less activity → even more excess weight.
Movement, even gentle movement, is a therapy in itself.
The Body Condition Score (BCS) , rated from 1 to 9, allows you to estimate a dog's physical condition visually and by touch. A score of 4 to 5/9 corresponds to an ideal weight. Above 6, the dog is considered overweight; 7 and above indicates obesity.
Telltale signs:
A vet can confirm the score and suggest a rebalancing plan.
In a study by Marshall et al. (2010), arthritic Labradors followed a 16-week weight-loss programme. Result:
This study shows that weight loss alone is enough to improve mobility, even without other treatment.
Goal: aim for a loss of 1% per week, under veterinary supervision.
• A reduced-calorie diet with controlled portions
• Treats limited or replaced with low-calorie alternatives
• Weekly weigh-ins to adjust the diet
Staying active remains essential to maintain muscle, support the joints, and lose weight.
Recommendations include:
Long-chain Omega-3 fatty acids (EPA, DHA) are essential allies for reducing inflammation. They decrease the [REDACTED] of pro-inflammatory molecules, protect the joints, and slow cartilage breakdown.
EPA/DHA supplementation improves mobility, pain, and clinical signs in dogs with osteoarticular disorders.
Regular addition of EPA and DHA to the diet helps reduce chronic inflammation, support joint flexibility, and improve quality of life in dogs, especially those that are older or predisposed to joint problems.
› Combining weight loss, activity, and Omega-3 creates a lasting synergistic effect.
Discover our guide to Omega-3
At Laboratoire Sensilia, we regularly see that overweight dogs or those prone to locomotor stiffness benefit from targeted nutritional support, especially through marine-derived Omega-3 fatty acids.
A liquid supplement rich in EPA and DHA, from New Zealand green lipped mussel oil and algae, can effectively support weight loss and help restore mobility.
It is this scientific, natural approach that inspired the creation of PERNIXOL®, a liquid joint supplement formulated to support everyday joint flexibility—without replacing weight loss or rehabilitation, but complementing them harmoniously.
Excess weight is far more than an aesthetic issue: it is a major mechanical and inflammatory factor in a dog's joint health.
The good news is that gradual weight loss, adapted activity, and Omega-3-enriched nutrition can genuinely transform an animal's quality of life.
In our experience at Laboratoire Sensilia, owners who commit to this approach see their dogs regain energy, lightness, and enjoyment of movement.
Discover PERNIXOL®
This article was written by the R&D team at Laboratoire Sensilia, experts in animal nutrition.