Joint & Mobility (FlexiStride®)
At a Glance
FlexiStride® is the Joint and Mobility pillar inside BioNAD Longevity+®, The Fittest Pet®’s vet-formulated all-in-one daily chew built around six wellness pillars for whole-body healthy ageing, formulated in Australia. It supports joint comfort, flexibility, cushioning and smooth everyday movement, helping dogs stay active through adulthood and the years when they may rise more slowly, hesitate on stairs, jump less or feel stiff after rest, delivered in a soft chew that tastes like a treat, so daily care is effortless without separate hip and joint powders, mobility chews or multiple products.


Joint Health & Mobility Support for Dogs
Comfortable movement, joint structure and mobility support in one daily chew.
FlexiStride® is the Joint & Mobility pillar inside BioNAD Longevity+®, our all-in-one daily chew built around six wellness pillars for whole-body healthy ageing.
Designed for dogs who need help maintaining comfortable movement, joint flexibility and mobility through every life stage, especially as they grow older, stay active, or begin showing subtle changes in how easily they rise, climb, jump or keep up.
Targeted Joint & Mobility Support
✅ Hip, Joint & Mobility Health
Promotes comfortable movement and helps maintain the joints your dog relies on for walking, running, climbing and play.
✅ Cartilage & Connective Tissue Care
Nourishes the structural tissues that help cushion joints and keep movement smooth over time.
✅ Flexibility & Everyday Movement
Helps preserve easier rising, bending, climbing and getting around as dogs move through adulthood and later life.
✅ Healthy Joint Ageing
Cares for long-term joint wellbeing before subtle stiffness, slower movement or reluctance to jump become more noticeable.
✅ Joint Cushioning & Lubrication
Helps maintain the natural cushioning and fluid movement that keep joints gliding comfortably.
✅ Active-Dog Recovery & Resilience
Supports the joints and connective tissues that work hard during walks, running, jumping and daily activity.
✅ Comfort After Rest
Helps dogs maintain smoother movement after sleep, long car rides or periods of inactivity.
✅ A Simpler Daily Routine
Builds Joint & Mobility care into one complete daily chew, reducing the need for separate hip and joint powders, mobility chews or multiple supplements.
One chew. Six pillars. Complete daily care for the dog who deserves more than the basics.

Ingredient Blend
Inside the FlexiStride® Blend
FlexiStride® combines collagen, glucosamine, MSM, green-lipped mussel, hyaluronic acid, chondroitin and boswellia to support the core structures behind comfortable movement: cartilage, connective tissue, joint cushioning, lubrication and healthy mobility through the years.
Collagen

Functional benefits:
- Nourishes the connective tissues that help support joints, tendons and ligaments
- Helps maintain structural strength for dogs who rely on their bodies for daily movement and play
- Supports long-term joint integrity as dogs move through adulthood and later life
- Contributes to a more complete mobility routine beyond basic joint ingredients alone
Glucosamine

Functional benefits:
- Helps maintain healthy cartilage, the cushioning tissue that protects joints during movement
- Supports everyday mobility for dogs who walk, climb, run and jump throughout the day
- Contributes to long-term hip and joint care, especially as natural wear accumulates with age
- Forms a foundational part of a proactive joint-health routine for dogs of all activity levels
MSM

Functional benefits:
- Supports healthy connective tissue, helping dogs maintain smooth, comfortable movement
- Contributes sulphur, a key building block involved in normal joint and cartilage structure
- Helps care for mobility resilience in active dogs and ageing dogs alike
- Complements glucosamine and chondroitin for broader structural joint support
Green-Lipped Mussel

Functional benefits:
- Provides naturally occurring joint-supportive nutrients valued in mobility formulations
- Helps maintain comfortable movement for dogs whose joints work hard through daily activity
- Supports hip and joint wellbeing as part of a proactive healthy ageing routine
- Adds a premium natural ingredient widely recognised by paw parents seeking advanced joint care
Hyaluronic Acid

Functional benefits:
- Helps maintain joint lubrication, allowing movement to feel smoother and more fluid
- Supports the cushioning environment within joints, especially important for everyday mobility
- Contributes to comfortable bending, rising and walking as dogs age
- Adds a highly relevant layer for paw parents concerned about stiffness and ease of movement
Chondroitin

Functional benefits:
- Helps maintain cartilage structure and the cushioning function that protects joints
- Supports joint resilience for dogs who stay active through adulthood and senior years
- Works alongside glucosamine to care for the tissues involved in everyday movement
- Strengthens the blend’s focus on preserving mobility, not just reacting once movement changes become obvious
Boswellia

Functional benefits:
- Supports comfortable movement and everyday joint ease
- Helps care for flexibility in dogs who may be slower to rise, climb or move after rest
- Complements the structural ingredients in the blend with an added mobility-support layer
- Rounds out FlexiStride® for paw parents wanting a more comprehensive hip and joint formula

The All-in-One Advantage
One daily chew. Six connected pillars of comprehensive support.
FlexiStride® is the Joint & Mobility pillar inside BioNAD Longevity+®, our veterinarian-developed daily functional chew designed to support whole-body healthy ageing through six targeted wellness pillars.
Instead of piecing together your dog’s routine from separate products such as:
- hip & joint powders
- mobility chews
- collagen supplements
- fish oils for skin & coat
- gut health supplements
- antioxidant capsules
- vitality supplements
BioNAD Longevity+® brings Brain & Calm, Joint & Mobility, Energy & Vitality, Gut & Immune, Skin & Coat, and Advanced Antioxidants together in one simple daily chew your dog can enjoy like a treat.
Six pillars. One chew. Less supplement stacking, less guesswork, more complete daily support.
Beyond Brain & Calm: A Complete Daily Longevity Ritual
Other Brands | BioNAD Longevity+® with AoxiGuard® |
|---|---|
How Joint Health & Mobility Connect to Whole-Body Health
Joint and mobility health do not exist in isolation.
A dog’s ability to move comfortably can be influenced by many systems, including cellular energy, antioxidant status, inflammation balance, muscle function, gut health, body condition and overall vitality.
That is why FlexiStride® sits inside the wider BioNAD Longevity+® 6 Pillar Protocol:
- Brain & Calm: supports emotional balance and cognitive function
- Joint & Mobility: supports comfortable movement and activity
- Energy & Vitality: supports cellular energy and daily vitality
- Gut & Immune: supports digestive balance and immune resilience
- Skin & Coat: supports skin barrier health and coat quality
- Advanced Antioxidants: supports healthy ageing and oxidative balance
BioNAD Longevity+® brings Brain & Calm, Joint & Mobility, Energy & Vitality, Gut & Immune, Skin & Coat, and Advanced Antioxidants together in one simple daily chew your dog can enjoy like a treat.
Six pillars. One chew. Less supplement stacking, less guesswork, more complete daily support.


Help protect the movement that keeps them joyful.
FlexiStride® is the Joint & Mobility pillar inside BioNAD Longevity+®, helping care for cartilage, connective tissue, joint cushioning and comfortable movement as part of a complete 6-pillar healthy ageing routine.
One daily chew. Six targeted pillars for healthy ageing: Brain & Calm, Joint & Mobility, Energy & Vitality, Gut & Immune, Skin & Coat, Advanced Antioxidants.
Less guesswork, more complete daily coverage. A smarter way to care for the dog you love for years to come.

At a Glance