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Supplements for Senior Dogs: Joints, Brain and Vitality

As dogs age, the right nutritional support can help them stay comfortable and sharp. What matters most for senior dogs.

Older dogs have changing needs — stiffer joints, slower minds, and often a duller coat. Targeted supplements can provide nutritional support to help senior dogs stay comfortable and engaged.

Priorities for senior dogs

  • Omega-3 (DHA and EPA): a triple win in older age — supports joint comfort, brain and cognitive function, and skin and coat. The single most useful senior supplement for most dogs.
  • Joint support: glucosamine, green-lipped mussel and omega-3 for mobility (see joint supplements for dogs).
  • Antioxidants (vitamin E and others): support cellular health as the body ages.
  • Easy-to-digest support: seniors can have more sensitive stomachs, so a gentle, low-odour supplement helps.

Cognitive support

DHA is particularly associated with brain health, which is why omega-3 features in many senior-care routines. It supports cognitive function as part of a balanced diet — helpful for the dog who is getting a little forgetful with age.

A gentle, clean foundation

Because senior tummies can be fussy, a clean, fishy-smell-free omega-3 is ideal. PetJesty's algae omega-3 is mercury-free, gentle and suitable for all life stages — including your golden oldie.

Senior dogs benefit from regular vet check-ups; use supplements to support wellbeing alongside, not instead of, professional care.

Shop Petjesty Pure vegan Omega-3 →