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Could a Supplement Called Rejeneril Help Dogs and Cats Live Longer?

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We all want our pets to live longer. At just 9 years old, my dog is already very much a senior, and like all dog owners, I find myself wishing for more time with him. If only there was a fountain of youth for dogs, right?
Note: This is a sponsored post about a product called Rejeneril. Read more to learn how you can win a bottle for your dog or cat.

Rejeneril is a patented dietary supplement by Ultimate Pet to help dogs and cats live longer, healthier lives, according to the company.

Ultimate Pet says Rejeneril is an antioxidant formula recommended by veterinarians. It acts as a cellular regenerator and can help set the foundation for a disease-free life.

“At the heart of ever cell is the mitochondria — the cell’s engine,” Ultimate Pet says on its web site. Rejeneril is based on a compound called the Palladium Lipoic Acid Complex, which donates electrons to the mitochondria of the cells “providing dramatic energy benefits.”

The supplement can be given to dogs, cats, horses or any other mammal, according to the company.

Ultimate Pet claims just some of the benefits of Rejeneril include:


  • a boost to your dog or cat’s energy
  • a stronger immune system
  • decreased joint pain related to arthritis


While the company says pets of all ages can benefit from Rejeneril, senior pets will most likely benefit the most.

My dog Ace with Rejeneril for pets

More about Rejeneril from Ultimate Pet

Rejeneril supplement for dogs and cats

The supplement is easy to give to a pet. You can put a few drops on the pet’s food or even in the pet’s water.

Ingredients in Rejeneril, according to its blog:

Alpha Lipoid Acid, Palladium, N-acetyl cysteine, Formyl methionine, Ruthenium, Rhodium, water, Vitamin A Acetate, Vitamin B1 as thiamine Hydrochloride, B12 as Cyanocobalamin, Riboflavin complex and Molybdenum

Ordering information and coupon code

Rejeneril is available online at currently on sale for $44.99 per bottle.

You can use coupon code ThatMutt15 to get an additional 15 percent off now through May 26.

Ultimate Pet logo

What I thought about Rejeneril

Cat Beamer tries RejenerilRejeneril for dogs and catsI decided to give Rejeneril to my 9-year-old Lab mix Ace and my 12-year-old cat Beamer over several weeks.

I was curious if I would be able to notice any changes in those two senior guys.

I noticed:

1. Softer, shinier coats on both my dog and cat.

2. Healthier-looking skin on my dog.

3. Less dandruff from my dog.

4. Pain relief for my dog’s sore joints (I replaced his glucosamine supplement with Rejeneril and saw the same benefits).

The bottom line: Some people prefer to take supplements and to give their pets supplements. Some do not. I am somewhere in the middle and like to give my pets occasional supplements/vitamins. Rejeneril is a good option for senior pets.

Order Rejeneril here and remember to use coupon code ThatMutt15

How you can win a bottle of Rejeneril for your dog or cat

Ultimate Pet is giving away a FREE bottle of Rejeneril to one lucky reader of That Mutt.

*Must have a Canadian or U.S. (excluding Hawaii) mailing address to enter and be 18 or older. Ultimate Pet is not able to ship to Hawaii.

Rejeneril supplement for pets

To enter:

Log in using the Rafflecopter below. It’s easy to use. Just enter your name and email or log in with Facebook. You’ll receive entries for leaving a comment and for following That Mutt or Ultimate Pet on Twitter.

A winner will be chosen at random on May 13, notified by email and announced here. *Congrats Emma L.!

a Rafflecopter giveaway

Do you tend to give your pets supplements or vitamins?

Do you think Rejeneril would help your dog or cat?

Luann Johnson

Saturday 9th of May 2015

I have 3 dogs. One is a senior mix, one is a very active Siberian Husky around 4 1/2 yrs old and my new dog is a giant Alaskan Malamute who is 125 pounds and growing. I can use this for all my dogs. I use supplements but would love to try this.

Laura Fulton

Wednesday 6th of May 2015

Dozer is about to be 14 and I am ope to trying anything that might help relieve some of his soreness and back leg weakness. I do use supplements for us both!


Wednesday 29th of April 2015

This looks like a really good product. I will read up on it as I have a 7 1/2 yr old lab mix & she has an issue with her left leg due to a muscle pull. She is currently on some supplements for it & it has helped quite a bit. I am a huge believer in the natural approach. Would def love to win this! Thanks Lindsay for your great newsletter.


Wednesday 29th of April 2015

Hmmm... Softer coat on Ace??? I think I would like to try it on D.O.G. and the girls. They are all on glucosamine for their joints and I try to watch their weight. Thanks for these wonderful contests. :-)

Lindsay Stordahl

Wednesday 29th of April 2015

Oh you're welcome! Yes, definitely softer fur!


Tuesday 28th of April 2015

I've been trying different supplements for my aging pup, but haven't noticed a difference with anything yet. I'll have to try this out.