July 29, 2026
Can Cod Liver Oil and CBD Help a Nervous or Anxious Dog?
Pacing before you leave the house. Hiding during a thunderstorm. Destructive chewing when left alone. Stress-related behaviors are among the most common concerns pet owners bring to their veterinarian, and they’re also one of the most frequent reasons owners start looking into CBD and omega-3 supplements. Here’s a grounded look at what’s actually behind that interest.
The role of DHA in brain function
DHA, one of the two omega-3 fatty acids in cod liver oil, is a major structural component of brain cell membranes. It’s involved in normal neurological function and is one of the more well-established omega-3 benefits across mammal species, including dogs and cats. While DHA isn’t a calming agent on its own, adequate omega-3 status is considered part of a foundation for normal brain and nervous system function — which is part of why it’s often paired with other calming-focused ingredients rather than relied on alone.
What’s being studied with CBD and CBG
CBD interacts with the body’s endocannabinoid system, which plays a role in regulating a range of physiological processes, including stress response. A growing body of research — much of it still early-stage — has looked at CBD’s relationship to calm behavior in dogs, particularly around situational stressors like noise sensitivity and separation. CBG is being studied separately for similar reasons, with some research suggesting its own distinct interaction with stress-related pathways. Neither compound is sedating in the way a pharmaceutical anti-anxiety medication is; the goal isn’t to suppress your dog’s behavior, but to support a calmer baseline response.
Why “without sedation” is the meaningful distinction
A common concern with anxiety-focused pet products is that they’ll leave a dog groggy or noticeably “off.” CBD and CBG, particularly as pure isolates without added psychoactive compounds, are generally reported by pet owners as not producing that sedated effect — your dog should seem like a calmer version of themselves, not a dulled one. If a product does cause noticeable sedation, that’s worth discussing with your veterinarian rather than assuming it’s expected.
What this isn’t a substitute for
Situational stress and diagnosed anxiety disorders are different things, and a supplement isn’t a substitute for behavioral training or veterinary guidance for a dog with a significant anxiety condition. For dogs with mild, situational stressors — thunderstorms, travel, being left alone for the day — omega-3s and cannabinoids are commonly used as part of a broader approach that might also include training, environmental changes, and your veterinarian’s input.
Pet Omega Hemp combines wild Arctic cod liver oil with nanofused CBD and CBG isolates in a single tincture, dosed twice daily. If your dog’s stress shows up around a predictable trigger — like a storm or a trip to the vet — starting the routine a couple of weeks ahead of a known stressor gives the cumulative effect time to build. See our dosing guide for details, and check with your veterinarian if your dog’s anxiety is significant or worsening.