The Sustainable Pet Blog

Evidence-based guides on dog nutrition, food allergies, and sustainable pet care.

Close-up of an older black dog with a grey muzzle

Nov 4, 2026 8 min read

DHA for Dogs: What It Does for the Aging Brain

DHA is the omega-3 concentrated in the brain and eyes. Here is what dog and human studies show about DHA and aging, and how much older dogs need.