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CLINICALLY-BACKED DAILY SUPPLEMENTS FOR DOGS

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the ingredients

behind each formula

A closer look at the ingredients behind every formula.


Salmon oil

A rich source of omega fatty acids, chosen to help maintain skin health and a softer, glossier coat.

magnesium glycinate

A gentle, well-regarded form of magnesium chosen to support calmness, relaxation and nervous system balance.

green tea extract

Included for its antioxidant profile and to support everyday cellular health and overall wellness.

lemon balm

Selected for its naturally soothing qualities, helping to encourage a calmer, more settled demeanour.

valerian root

Included to support relaxation and help take the edge off moments of tension or over-stimulation.

hyaluronic acid

Chosen to help support joint lubrication and maintain moisture within the skin.

Glucosamine

Included to support everyday joint comfort and help keep movement easy, fluid and well supported.

bovine collagen

Added to support the structural building blocks of joints, skin and connective tissue.

vitamin e

A key antioxidant selected to support skin health and help protect cells from oxidative stress.

vitamin c

Included for antioxidant support and its role in maintaining healthy collagen formation.

msm

Selected to support joint mobility and everyday comfort, particularly for active or ageing dogs.

chondroitin sulfate

Included to help support cartilage integrity and long-term joint function.

ashwagandha root

Included for its calming properties, helping to support relaxation during periods of stress or restlessness.

probiotics

Chosen to support digestive balance, everyday gut health and overall wellbeing from within.

vitamin COMPLEX

A considered blend of essential vitamins to support daily health, vitality and nutritional balance.

l-tryptophan

An amino acid chosen to support calm behaviour and emotional balance.

GMP-CERTIFIED

Manufactured to a Higher Standard


Every formula is produced in GMP-certified facilities, ensuring consistency, safety and precision at every stage. From raw ingredient sourcing to final production, each batch is handled with the same level of care you would expect from human-grade supplement standards.

What GMP Certification Means

Good Manufacturing Practice (GMP) is the benchmark for quality-controlled production.

It ensures that:

  • Ingredients are verified for purity and identity
  • Formulations are accurately dosed, every time
  • Production environments meet strict hygiene and safety protocols
  • Each batch is traceable, tested and consistent

In short - what’s on the label is exactly what’s in every chew.

Why It Matters for Your Dog

Not all supplements are created equal.

Without proper manufacturing standards, quality can vary - affecting everything from effectiveness to safety. GMP certification removes that uncertainty, ensuring your dog receives a formula that is reliable, clean and carefully controlled.

Why Choose Rusko’s

We don’t cut corners and we don’t chase trends.

  • Formulated with intent - every ingredient has a purpose
  • Produced to pharmaceutical-level standards
  • Consistent from first chew to last
  • Designed for daily, long-term use

Rusko’s is built on the belief that everyday supplements should meet a higher standard - because your dog relies on them, daily.