America's Top Veterinarian:
Do This Once A Day
If Your Dog Has Itchy Skin,
Fatty Lumps, or 'Frito Feet'

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Dr. Shelby Drew

America's Most Recognized Veterinarian

Dr. Shelby Drew

Dr. Shelby Drew is one of America's most recognized veterinarians. An Ivy League graduate from UPenn, the top vet school in America, Dr. Shelby has spent 35 years perfecting proven therapies to treat sick dogs of lifelong illness.

Through her call-in radio talk show, Dr. Shelby has educated dog parents across the country for over a decade. Her television appearances have shown millions of dog parents how to treat chronic conditions without meds or surgeries.

Her unique discoveries have been published in hundreds of leading publications, read and studied by thousands of vets across America.

Dr. Shelby's gift is seeing the big picture — caring for the whole animal, not simply treating symptoms — helping minimize allergies, itching, and gut problems in not just her patients, but her own dogs, her children's dogs, her grandchildren's dogs, and thousands of other dogs across the country.

Dr. Shelby Drew
Ivy League Graduate, UPenn

Dr. Shelby Drew

19 Comments
  • Danielle P.

    Danielle P.

    I had no idea mushrooms could do this for dogs. The part on Leaky Cells and where that corn-chip paw smell comes from really caught me off guard. If your dog scratches nonstop or gets those odd lumps, watch it.

  • Greg M.

    Greg M.

    I always chalked the scratching and soft bumps up to old age. This flipped that idea on its head — I didn't look away once.

  • Tyler S.

    Tyler S.

    I nearly kept scrolling and I'm so glad I stopped. My golden's had squishy lumps for over a year and nothing made sense until the immune-system part.

  • Rachel W.

    Rachel W.

    Went in doubtful and couldn't stop watching. The way she explains Cellular Shield and Leaky Cells finally connected the dots for me.

  • Megan F.

    Megan F.

    Corn-chip smelling paws? Constant chewing? Give this a watch — I had way more lightbulb moments than I expected.

  • Aaron B.

    Aaron B.

    This was a real eye-opener. Starting the mushroom and flavonoid routine with my bulldog this week.

  • Kayla D.

    Kayla D.

    The section on retraining the immune system really landed. Finally someone explaining the root cause instead of pushing another chew.

  • Steve R.

    Steve R.

    Every minute was worth it. The further into the science on itching and lumps it went, the more it described my dog to a T.

  • Paul G.

    Paul G.

    Sent it to my brother, whose lab has had three lumps removed. He wrote back asking why their vet never brought any of this up.

  • Olivia H.

    Olivia H.

    The Leaky Cells part genuinely stunned me. If your dog smells like corn chips or keeps growing little lumps, just watch it.

  • Derek N.

    Derek N.

    I had to hit pause partway through just to process it. After steroid shots and medicated shampoos, this is the first thing that actually made sense.

  • Sofia V.

    Sofia V.

    I've watched a ton of allergy videos and this one stood apart. The ancestral immunity angle really stayed with me.

  • Nathan C.

    Nathan C.

    Not sure how I stumbled onto this, but I'm thankful I did. It answered things about my shepherd's bumps I hadn't even thought to ask.

  • Hannah K.

    Hannah K.

    The bit on the gut barrier and immune confusion pulled it all together — the digestion issues, the itching, and those little fatty deposits.

  • Kevin T.

    Kevin T.

    I was doubtful about the mushroom thing at first. By the end I was texting the link to every dog owner I know.

  • Christine A.

    Christine A.

    I'm done with expensive vet trips and band-aid fixes. More people need to hear what's actually driving the lumps and the smell.

  • Ryan J.

    Ryan J.

    Passed it along to my parents, whose cocker spaniel has battled itchy skin for years. It puts so much into perspective.

  • Vanessa L.

    Vanessa L.

    There are endless supplement pitches out there. This one was different, especially the part about how most chews can trash the gut.

  • Josh E.

    Josh E.

    Reassuring to know I'm not the only one. It finally explains why my dog kept scratching and growing new bumps.

Supportive Clinical Studies:

  1. Reisinger, A., Stübing, H., Ishii, P. E., Suchodolski, J. S., Lidbury, J. A., Busch, K., & Unterer, S. (2024). Evaluation of intestinal barrier dysfunction with serum iohexol concentration in dogs with acute hemorrhagic diarrhea syndrome. Animals, 14(6), 963. https://doi.org/10.3390/ani14060963
  2. Rutgers, H. C., Batt, R. M., Proud, F. J., Sørensen, S. H., Elwood, C. M., Petrie, G., Matthewman, L. A., Forster-van Hijfte, M. A., Boswood, A., Entwistle, M., & Fensome, R. H. (1996). Intestinal permeability and function in dogs with small intestinal bacterial overgrowth. Journal of Small Animal Practice, 37(9), 428–434. https://doi.org/10.1111/j.1748-5827.1996.tb02443.x
  3. Weber, M. P., Martin, L. J., Dumon, H. J., Biourge, V. C., & Nguyen, P. G. (2002). Influence of age and body size on intestinal permeability and absorption in healthy dogs. American Journal of Veterinary Research, 63(9), 1323–1328. https://doi.org/10.2460/ajvr.2002.63.1323
  4. Hagman, R., Rosberg, P., Al-Saffar, A., & Luc-Webb, D. (2015). A new test for canine intestinal mucosa permeability. Acta Veterinaria Scandinavica, 57(Suppl 1), O16. https://doi.org/10.1186/1751-0147-57-S1-O16
  5. Health Research Institute. (2023). HRI glyphosate testing: Pets and GMOs. Institute for Responsible Technology. https://petsandgmos.com/hri-glyphosate-testing/
  6. Jones, A. (2024). Is your pet's food contaminated with Roundup (glyphosate)? Veterinary Secrets. https://veterinarysecrets.com/is-your-pets-food-contaminated-with-roundup-glyphosate/
  7. USA Today. (2013, May 7). Pet longevity by state linked to spaying and neutering. USA Today. https://www.usatoday.com/story/news/nation/2013/05/07/pet-longevity-states-spay-neuter/2130813/
  8. Banfield Pet Hospital. (2013). State of pet health 2013 report. Banfield Pet Hospital. https://www.banfield.com/-/media/Project/Banfield/Main/en/general/SOPH-Infographic/PDFs/Banfield-State-of-Pet-Health-Report_2013.pdf
  9. The states that use the most glyphosate [Reference report]. (2019). https://drive.google.com/file/d/163gzNoywN5jRpJPTOT-7DORy5U0Ubb-s/view
  10. Glyphosate in pet food [Supporting reference document]. https://drive.google.com/file/d/11-65WUh8rW3K57OW_HoyEvHnTu9ZL8pR/view
  11. Yi, C., Nicolas, C. S., Sun, Z., Wang, Q., Dong, T., & Wu, Y. (2026). Effects of a novel prebiotic and postbiotic dietary supplement on gut microbiota, intestinal barrier markers, and inflammation in healthy dogs. Veterinary Sciences, 13(5), 417. https://doi.org/10.3390/vetsci13050417
  12. Prasad, S., Patel, B., Kumar, P., & Lall, R. (2025). Postbiotics: Multifunctional microbial products transforming animal health and performance. Veterinary Sciences, 12(12), 1191. https://doi.org/10.3390/vetsci12121191
  13. Coupe, P. (2023, February 24). What is the impact of dietary fibre and prebiotics on the microbiome and gastrointestinal health? Improve Veterinary Education. https://improveinternational.com/uk/clinical-library/dietary-fibre-nutritional-management