By Dr. Sara Robbins, DVM

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Last updated March 9, 2026

"I spent 5 months giving my 12-year-old Golden the most expensive turkey tail I could find. His lumps kept growing. A veterinary immunologist finally told me what was wrong — and it wasn't the mushroom." 

— Margaret T., Nashville, TN

1. Your Dog's Lumps Are a Warning

 

That lump didn't appear by accident. Your dog's immune system is supposed to stop abnormal tissue before it forms. When it fails, tissue builds. The lump is the proof — not the problem.

 

Surgery removes the proof. Not the problem. Most dogs grow new lumps within months — because the immune system that failed is still failing. The right question was never "how." It was "why."

 

2. The Signal That Never Arrived

Turkey tail contains PSK — a compound oncologists in Japan have prescribed since the 1970s. It sends one signal to your dog's immune cells: activate. Respond.

 

But 70% of those cells live in the gut — not the blood. That signal must pass through there first. If the gut isn't ready, the signal never arrives. The immune army never gets its orders.

 

3. The Study Everyone Quotes — Incompletely
 

At Penn Vet, dogs receiving turkey tail extract survived 199 days. The control: 86. That's 131% longer. Peer-reviewed. Published. But what the study used matters as much as what it found.

 

Hot water extraction. Multiple mushroom species. Each targeting a different immune pathway. Plus gut support to complete the relay. Woofy Turkey Tail+ was built to replicate all of it.

I switched to Woofy after four months on a 'premium' brand that did nothing. My vet said the idea was right but the system was incomplete. Week six on Woofy, two lumps were visibly smaller. I take photos every two weeks now."

— Robert F., Phoenix, AZ

4. What Your "Premium" Formula Did

Some brands charge $60–$80 for "dual-extracted" formulas. Sounds rigorous. But beta-glucans — the active compounds in turkey tail — are water-soluble. Alcohol causes them to solidify and filter out. You paid premium for the step that removed what you needed.

 

Even with perfect extraction: without probiotics, the gut can't relay the signal. Your dog needed both fixed. Nothing fixed both — until now.

5. One Scoop. The Full System.
 

Woofy Turkey Tail+ is a chicken-flavored powder. One scoop on breakfast. Even the pickiest dogs eat it like it was part of their meal.

 

Inside: eight hot-water-extracted mushroom species and 1 billion CFU probiotics. The complete system. One scoop.

 

Try it for 90 days. If your dog doesn't respond — even with the jar half empty — you get your money back.

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Turkey Tail +

Turkey Tail + Probiotics Combined

8-Mushroom Immune Complex 

Shrinks lumps from the inside out

Vet-Formulated & Tested

$20+/jar & 90-day money-back guarantee

Others

Basic Probiotics Only, fillers, additives...

Missing Mushroom Benefits Entirely

Doesn't Address Lumps or Growths

Made Without Vet Guidance

$40+/jar

SEE MORE

Amanda G. — Austin, TX

ok so I tried like 4 different turkey tail supplements before this one. My dog literally refused to eat them. The powders smelled weird, pills were a nightmare to get down.

Finally tried Woofy cause of the chicken flavor and he actually eats it?? lol

3 months in and his lumps are definitely smaller. I take pics every week to compare. Not gonna lie I was skeptical but this stuff actually works

8

Robert F. — Phoenix, AZ

My golden is 10 and started getting lumps last year. Vet wanted 4.5K PER LUMP for surgery. Plus she said anesthesia is risky for older dogs. I almost cried in the office.

Decided to try this first before putting her through all that. Week 6 the lumps felt softer. Week 10 two of them shrunk A LOT.

Vet couldn't believe it at the checkup. Best $39 I ever spent honestly

3

Linda P. — Seattle, WA

My beagle is the pickiest eater ever. Like he will literally spit out anything that isn't his regular food. I've tried SO many supplements and he won't touch them.

This one he actually likes??? He gets excited when I grab the jar lol.

Had 5 lumps when we started, down to 2 now after 4 months. Still can't believe he eats it willingly tbh

22

2700+ Reviews

BUY 1 GET 1 FREE, 

Ends Tonight!

Natural, Vet-Formulated Formula

90-Day Money-Back Guarantee

FREE Worldwide Shipping

👉 CLAIM MY FREE JAR

90-day money back guarantee

HIGH Risk of Sell-out

|

FREE shipping