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If you've ever looked into your pet's eyes and wished they could live forever, welcome!  You're in the right spot. Introducing: rapamycin!

As a veterinarian with over 30 years of helping pets live longer in veterinary clinics, I believe that rapamycin is the most effective approach we have to extend not only our pet’s lifespan but also their HEALTH, which is probably even more important.  

Rapamycin and longevity studies have shown that it has MANY BENEFITS, from fighting cancer and cardiac disease to helping with orthopedic pain. Heck, it’s even been shown to reduce periodontal disease and improve hearing loss in older patients. 

Want a little proof? Here you go:

"Joey lived with an oral melanoma for 3 1/2 years. Surgically it was in a very bad location. We did everything to help including surgery and radiation but even with that he was given only 12 to 18 months.  We started Rapamycin a year after diagnosis (wish I would have known about the medication sooner!). He not only survived for many more years, he thrived with lots of exercise and travel. I feel that the Rapamycin kept the cancer at bay for much longer and his quality of life was amazing. I really appreciate Dr Toman's help with sourcing the Rapamycin and kind concern all along the way."


OUR RAPAMYCIN PRESCRIPTION TABLETS ARE COATED and manufactured for the human medical market.  This means that they are not affected by acid degradation within the stomach, unlike standard rapamycin capsules supplied by formulating pharmacies. These tablets are very small and easily hidden in treats, if needed.

Quantity: 12 pills in four different strengths:

  • 0.5 mg tablets for 10-pound dogs
  • 1.0 mg tablets for 20-pound dogs
  • 2.0 mg tablets for 40-pound dogs
  • 3.0 mg tablets for 60-pound dogs

Dosage: Our suggested rapamycin dosage for dogs is 1 mg per 20-22 lbs of your pet's weight given three times weekly with food. Thus, 12 tablets will provide one month's worth of benefits to your pet.

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What to know before finalizing your rapamycin purchase

Rapamycin is a drug that studies show may increase both the health and the lifespan of your pet. Here's what you need to know about rapamycin for dogs.

  • Rapamycin is a prescription drug, not a supplement. It can only be obtained with a prescription from your vet OR after a consultation with me
  • There are NO drugs in either human or veterinary medicine labeled to improve longevity, including rapamycin. However, there are COMPELLING studies which prove the benefits of rapamycin for increasing both health and longevity. Do your own research.
  • Our rapamycin is 99.946% pure, and you can see those test results here.  Beware of purchasing rapamycin from overseas, as you don’t know the concentration or the purity. Other groups have found both trace lead and trace benzene in rapamycin sourced from overseas, and that sort of negates the benefit of a longevity drug.

If you want a really in-depth look at what rapamycin is, learn more here.

Common problems that rapamycin anti-aging pills may help in dogs

Now, what issues and ailments can rapamycin help alleviate? Rapamycin promotes longevity through several mechanisms proven in independent studies. Here are the proven benefits of rapamycin: 

Rapamycin improves immune function. While at higher doses it is an immune suppressant, at the lower doses currently recommended, it actually works to stimulate the immune response and improve stem cell function.

Rapamycin benefits your dog

Here’s a summary of the rapamycin benefits in dogs proven in independent medical studies.

Want more information? Check out this website—we try to keep you current on the science around rapamycin, and here is a great place to start.

FAQs about rapamycin for dogs

Basically, rapamycin has three proven benefits:

  • Rapamycin fights cancer
  • Rapamycin supports heart function and can improve cardiomyopathy
  • Rapamycin reduces inflammation, ranging from gums to joints and spine.

The Matt Kaeberlein study found no adverse rapamycin side effects on dogs. In my own practice,  I’ve found rapamycin to be the best pill to make dogs live longer. We have treated over 400 pets with rapamycin and found that 3-4% may develop transient GI upset which usually resolves in a day or two.

We don’t have the answer to this yet in dogs, but a rapamycin study in mice has shown a longevity benefit even when starting rapamycin late in life. This suggests that it is NEVER too late to begin rapamycin for your dog. Just click here to learn more

Rapamycin is the only drug we know that can actually reverse the changes seen in cardiomyopathy, a common heart problem in dogs. Studies have shown it to reverse age-related heart problems in other species as well. Not every cardiac condition will be helped by rapamycin, but the combination of its longevity and anti-inflammatory benefits.. along with its safety... make a good argument for its use.

At higher doses in humans, rapamycin has been shown to increase blood sugar. If your pet is diabetic, you should chat with your vet or consult with me. Rapamycin is metabolized through the liver, so we should also pay attention to pets with liver problems.

That said, it has proven to be a very safe drug in our clinic, with only about 3% of pets developing a little loose stool which generally passes as their GI tract adapts.

There are no biomarkers, or direct measurements, of longevity in either humans or pets.

In our clinic, about 30-40% of clients feel that their pet is happier or more energetic when given rapamycin.

Many folks don’t notice any difference, and I feel no different at all on the days that I take rapamycin myself. However, I am a believer in rapamycin’s safety and the science behind the drug.

Rapamycin for your dog is a prescription drug, not a natural supplement. You can buy Rapamycin for your dog from Helping Pets Live Longer with a prescription from your local veterinarian or after a consult with Dr. Kevin.

You should expect to pay about $100–$112 per month depending upon the size of your pet. You can save a few bucks by signing up for a subscription.

Absolutely. If you’re curious to learn more about how rapamycin works and whether it’s the right choice for your dog or anything else about your pet’s health, then you may contact me directly at ktomandvm@gmail.com.  Simple questions are easy, and we can set up a consult if things get more complex.