Hannah Zulueta Nrf2 Supplements for Dogs With Allergies
Everyone wants the unicorn potion. This is the pathway behind the pitch, and why food usually beats the bottle.
Nrf2 keeps coming up when the itch gets asked about, so here is what the pathway actually does, where it shows up naturally in food, and why Chinese Medicine landed on many of the same vegetables two thousand years before this protein had a name.
Nrf2 is a switch, not a cure
Nrf2, short for Nuclear factor erythroid 2-related factor 2, is a protein that regulates the body’s own antioxidant defenses. Activating it can boost glutathione and other antioxidants while turning down inflammatory signaling. That is genuinely useful against the oxidative stress behind allergic itch. It is a tool for fighting inflammation, not a fix for whatever is causing it.
What is actually happening in an allergic dog
Allergies in dogs come from an overactive immune response, and that response creates inflammation and oxidative stress wherever it lands: the skin, the gut, all of it. Common triggers are food, fleas, dust mites, and pollen. Nrf2 activators work by boosting the dog’s own antioxidant defenses against that stress, which can ease symptoms without addressing what triggered the reaction in the first place.
Whole food or the bottle
Resveratrol activates Nrf2 too, and it is not for dogs. Human supplement only.
Research in people already fighting cancer suggests maxing out Nrf2 activation can create chemotherapy resistance. Until there is more clarity, treat Nrf2 as one tool against inflammation, not a cure to lean on entirely.
Twenty-four foods that activate the pathway
Cruciferous vegetables carry the most potent activator, sulforaphane, but the list runs well beyond broccoli.
The same vegetables, a different name
Feeding cruciferous vegetables helps the body fight inflammation. That is the biomedical read. In therapeutic diets, these are close to the exact vegetables I already reach for when a dog is itchy, because in Chinese Medicine, green vegetables clear Heat, drain Damp, and support the Liver. Practitioners observed the healing power of these foods two thousand years before anyone isolated a pathway to explain why. Chinese Medicine never treats the disease directly. It treats the pattern of disharmony, and works to bring the body back into balance with itself and with nature.
Notes before you add these in
- Broccoli sprouts at three days old carry ten to a hundred times more sulforaphane than mature broccoli, if you can grow them
- Rotate cruciferous vegetables and cap them around 25 percent of the daily diet. Watch the stool, since the added fiber can loosen things
- Hold that 25 percent for no more than 30 days, then drop back to around 10 percent as a maintenance level
- Always cook the vegetables before feeding
- Fresh, cooked mushrooms are a good addition alongside these
Two of my own dogs used to be itchy.
One was put on Apoquel at eight months old, and I took her off it as soon as I understood the side effects. When they moved her to Cytopoint, I discontinued that too after a month. I set out to find a way to heal them through food instead. There is more than one reason a dog ends up itchy, and food is only one piece of the picture, but it is the piece I could actually control.
Read more on the itchResources
- Saha S, Buttari B, Panieri E, Profumo E, Saso L. An Overview of Nrf2 Signaling Pathway and Its Role in Inflammation. Molecules. 2020 Nov 23;25(22):5474.
- Kobayashi E, Suzuki T, Funayama R, et al. Nrf2 suppresses macrophage inflammatory response by blocking proinflammatory cytokine transcription. Nat Commun 7, 11624 (2016).
- Sporn MB, Liby KT. NRF2 and cancer: the good, the bad and the importance of context. Nat Rev Cancer. 2012 Jul 19;12(8):564-71.
Food first, supplement second
If the goal is genuinely activating this pathway, the vegetable list above does the job without the manufacturing question a bottle carries. If you want a plan built around your dog’s specific itch pattern rather than a general list, that is what a consult sorts out.
Book a consultation
Hannah Zulueta obtained her Certificate in Canine Nutrition from CASI Institute. She is also studying for her Doctorate in Acupuncture, Traditional Chinese Medicine, and Herbalism from the esteemed Pacific College of Health and Medicine. If you’re as keenly interested in health for yourself, visit her website for human health: Satori Acupuncture and Herbs.
She resides in San Diego with her three dogs, Maggie, Orbit, and Mr. Higgins.
She is available for one on one consultations. She develops evidence-based recipes that meet both NRC and AAFCO nutritional standards while integrating the therapeutic food principles of Traditional Chinese Veterinary Medicine into her formulations.
Additionally, you can find her sharing free content on Instagram.
