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Syn-Flex Testimonials for  Dogs and Cats


We are proud to say all ingredients in Syn-Flex® products are from sources in the United States.

In addition, our manufacturer is certified by NSF International as a cGMP facility and is in compliance with NSF/ANSI Standard 173, Section 8 for dietary supplements.

Synflex America Inc. reviews each testimonial for family friendly content, we do not modify any part of the testimonial in order to preserve the integrity of the message and the author.

I recently decided to become an affiliate marketer for Syn-Flex. I am an independent singer-songwriter and have started to update my website. The first thing I wanted to do was to add the Syn-Flex link. I am so grateful for this product as it has made all the difference in my dogs life (and so of course mine!) I'm attaching the link to my website so you can view our little add for Syn-Flex and our testimonial (Josie's Story). I'll add a Syn-Flex Banner soon. Thanks so much!

Jennifer Jean Smith

Good morning,
I discovered your product on the internet..Syn-Flex for dogs, I said "what the heck, let me give it a try!"
Well I ordered 3 bottles, I just started the second bottle and Winston is like a new dog, he's 13 years old, but he is moving much better, wants to take longer walks..his whole quality of life has improved immensely!!!
Thank you, thank you, thank you..

Winston's Mom

not that you guys need another testimonial, but my 14-year-old sheltie is now jumping again and trotting outside instead of walking slowly and she's only been taking this for a week. what makes me even happier is that the twinkle in her eyes of her younger years has returned. she's even less cranky. i'm happy to see i can order your product online. i had been thinking of putting her to sleep. now i don't have to. thank you!

lisa and china, the happy sheltie.

I found your product by doing a search on the internet when my black lab mix began having trouble walking due to arthritis. She would have occassional flares and asprin would do the trick. But there came a point where the arprin didn't work anymore. I ordered Synflex after reading all the information on the website knowing my other alternative was vet prescribed meds that can have horrible side effects which I really didn't want to resort to.
After receiving the Synflex, I began giving it to my dog and by the second day I could see a major change in her. She no longer limped and acted so much happier. I couldn't believe it. It has been well over a year since I started her on Synflex and she is still doing great. I feel Synflex has bought us more time to spend with her. I can't imagine what condition she would be in today if we hadn't tried your product. Thank you.
I tell everyone about Synflex and how great it has worked for us.
Thanks again,

N. Norton
Nancy Norton
Northeast PA

I just wanted to thank you for your truly wonderful product which has given us so much to look forward to.

Our beautiful 4 year old Cavalier King Charles Spaniel, Monty broke the cruxial ligament in his back leg 3 years ago. Diagnosed as inoperable he had deteriorated to a lame, sore and tired dog riddled with arthritis. Walks, playing with the ball, walking on stairs and jumping were a thing of the past.

Monty was unable to walk without limping which was more profound after he stiffened up in his back leg after long periods of inactivity or alternativly too much activity. Poor Monty really couldnt win!

With very little quality of life for a dog so young we wondered what Monty's future may hold given that he was too young to commence stronger drugs and was not responding well to prescribed anti-inflamatory medications

Thanks to Synflex after 8 weeks on the product we have our beautiful puppy back. The difference is incredible. Our beautiful boy is jumping, playing, walking, running and up and down the stairs and not showing ANY signs of the stiffness and pain that had become a day to day part of his life. His limp has dissappeared which is truly amazing.

There was a noticeable difference in Monty within days of commencing Synflex and we are so grateful and so is Monty! Everything I read about Synflex before trying it is true. The results have exceeded our wildest expectations.

Thank you Synflex from very loyal customers downunder!

Carol, Mario & Monty Angelosanto
Sydney. Australia.

We have a 12 year old Shetland Sheepdog. During the past couple of years, she began to have difficulty going up the stairs to the 2nd floor, getting up from the floor (especially the hardwood floors), did not run around and play with our other younger sheltie. She reached the point that we had to start carrying her up the stairs.

Our Vet gave us three different products that contained Glucosamine and were very, very expensive. In each case, our dog could not tolerate the products. Either she vomited, had diarrhea, or some other negative reaction. Then we discovered Syn-flex. Within a few weeks, we began to see a gradual difference. After two months, she runs up the stairs, gets up much more easily from the floor, including the hardwood floors and plays actively with our other sheltie.

She has had absolutely NO side effects and readily takes the Syn-flex from an eyedropper. Based on her weight, we give her a 1/4 teaspoon twice a day. To top it all off, Syn-flex is a lot cheaper than the VET Products that our dog could not tolerate.

Thanks very much for an excellent product. We have told many of our friends about Syn-flex and will continue to do so.

Michael and Cathy Cesario
Bethlehem, CT

I started my 9 yo cat on Syn-flex last night. He is already showing much improvement! My husband and I sat on the couch last night in amazement on how well he was walking around. He has FHD along with arthritis in his knees. We just got the xrays back this week. His hip pops every step he takes and only can take a couple of steps at a time before stopping and resting for a long periods of time. He barely could make it up/down the stairs. He couldn't walk on our hard wood floors at all due to his legs slipping out from underneath him. Now just after 2 to 3 doses of "SYN-FLEX" he is doing so much better. Walking continuosly w/o stopping, playing with our other cat and is getting around on our hard wood floors with no problem. I am totally amazed at what this product has done for our very sick cat. He used to quiver with pain continuously, that is gone now as well.
Synflex has worked so well on him that we just ordered 6 more bottles for him/family and ourselves who suffer from arthritis in one way or another. Thank you again for making this amazing product! We are forever grateful for what it has done for our Noah boy. Surgery is not an option anymore, Thank God!

Kim and Mike H.
Glen Carbon, IL

I just wanted to thank you for your product.

My 4 year old pekingese has a knee that pops out of the groove ( I never can remember the medical term!) . After some experimentation, I settled on glucosamine, with my vet's approval. A friend showed me your website and I decided to give synflex a try. What an amazing difference! My little guy was running and jumping again! That was last summer.

In August he was diagnosed with an autoimmune disease and wasn't expected to live. He was on large doses of several medications. The synflex and knee were forgotten while he fought to live. Because he was so weak walking wasn't a problem anyway. I pretty much carried him everywhere. But wait, there's a happy ending here!

It's been 7 months since his illness. He is currently in remission. He is on a maintenace dosage of prednisone. His prognosis remains "fair", but he is happy and appears comfortable. With his improved health and mobility, his limp returned, so again with my vet's approval, I restared the synflex. He is on no other medications, not even heartworm, flea control, or vaccinations. He is not limping. He tires quickly, but he is now running for short distances.

I cannot thank you enough for your wonderful product! I truly believe Synflex has made a profound difference in my little doggie's life. No matter what the future holds for him and for however long I have him, I will always be grateful for the comfort and mobility that Synflex has given him.


Dobby's mom,
Johnstown, NY

Our 12-year old min-schnauzer was having a real hard time walking and trying to go up and down our steps to go outside.
The vet gave him an arthritis medication but I was reluctant to use it. I checked all the information and testimonials on Syn-flex and decided to give it a try. It seemed to work within 2-3 days with our Bunky. Where he could barely walk before, he was almost running with the other younger dogs within a week. At the same time I was using the product for my arthritis in my knee and felt a huge improvement immediately. When we ran out of the product I didn't re-order, thinking I could some like products from the pet stores.
No way did they work the same. I just received my first re-order of Syn-Flex, Bunky has taken 3 doses and is again is lively, playful self that he was before when he took it.
THANK YOU for this wonderful product!!!

Niagara Falls, NY

We just wanted to send you a thankyou for developing this wonderful product. Our lovely Angus is a black (going rapidly white)! labrador who celebrated his 13th birthday on Boxing Day. For some time his legs had been stiff and we were really worried. I was determined to try and find something that REALLY worked but that was a natural product. I read many reviews about Synflex before I took the plunge and ordered some. We started Angus on the Synflex on Nov 1st 2004 and we truly have never looked back, we give him 1.5 tea spoons a day. He is like a young

dog again, he plays with his toys, jumps and bounces and has once again discovered his zest for life. His coat is glossy, his eyes bright and clear and he is a very happy dog again. He used to yelp in pain when he sometimes got up or led on his shoulder, but we haven't had a peep out of him since he was on Synflex. We call it his magic medicine from America!

So, thankyou Synflex, our last years with this wonderful boy will now be pain free. I also tell everyone about Synflex too, so you may be getting more orders from Lancashire. I enclose a photo of Angus taken in the snow this Christmas.

Kind regards,
Cheryl Davies
Lancashire England

sadie is my 8 year old lab who pretty much overnight started struggling tremendously with what seemed to be her hind left leg....we took her to the vet, hoping for the best... she was diagnosed with arthrits of the spine.well, what do we do now?? vet said to give her glucosamine(any kind) and wait about 2-3 months to see results... if that didnt work, try rimadyl...well, i was going to make rimadyl my last resort...we gave her the glucosamine for 4 months and it did absolutely nothing...the arthritis actually seemed to get progressive worse..i then went on the internet and discovered syn-flex...giving sadie a double dose for 1 week and the normal dose everyday for the past 3 months.....sadie has no limp at all... she has been diagnosed with a thyroid problem and gained 14 pounds in 6 months (62-76).its now under control, but thru all of the weight gain, she has had no limp whatsoever... my dog is the world to me and this product has probably extended my world an extra 3-4 years....fantastic product...when i say that results were noticed in 2-3 weeks, i mean it...thank you , synflex

new orleans

Our twelve year old shepherd/chow mix dog wasn't walking to well. She also had great trouble getting up particularly on a smooth floor. Maggie also appeared to be in some pain too.

My wife found your product on line and we thought we would give it a try. That was last week. Maggie has been taking Syn-flex for about six days now and I will tell you she is not the same dog!

She gets up easier, walks much better and has more energy. Yesterday, I was out in the yard with her and called to her. She ran over to me and right up onto the porch. She wasn't even limping as before.

Thank you to the makers of Syn-flex. I know Maggie thanks you.

Michael and Ana

This product has made so much difference for my Jack Russell Terrier! He's almost 12 and has had medial luxation of the patella severely for about the past 3 years. When we started this he could barely walk, now he runs and plays and can jump on the bed again.

C. Smith
Hayward, CA

I have a dog, Ben, who will be 16 years old in February. This past summer his rear hips were really beginning to fail. He couldn't walk up 4 stairs without his hind legs collapsing. Ben started using Synflex, and within a week, I saw a noticeable improvement. Now, Ben actively romps and frolics around the yard with our 10 month old puppy and 5 year old pekingese. He jumps up on the picnic table with ease,, goes for rides in the golf cart, getting in and out with no help, follows me around the yard while I mow on the riding mower. I just can't give enough testimonial on how well this REALLY works. I'm basically at a loss of words.

Thank you, thank you , thank you, to the makers of Synflex. Every dog and cat should have Synflex in their stockings this year!!

Ben (Ginny & Bob Brownson)
Punta Gorda, FL

Our 7 year old (dog) Corgi, Zoey was having so much trouble with her back legs that she could no longer get onto a couch she loved. After lying down, she would hesitate to get up, and often drag her back legs a bit. Her back right leg would bother her so badly she would limp. We started the Synflex this summer and immediately noticed a change after a week or two. Now it's fall and she actually jumped up onto the couch for the first time in months. She no longer limps, she plays rough with our other dog and appears so much happier. After lying down, she gets up without hesitation. We are so thankful for the Synflex!! It has been well worth ordering and we will continue to use it!

L. Somers
Oswego, NY

In May 2004 our 10 month old male Alaskan Malamute, Juno, was diagnosed with hip dysplasia. Shortly after his diagnosis I came across your website while searching for a high quality liquid glucosamine product for him to use. I went ahead and immediately ordered 3 bottles.

Well, I'm another satisfied customer and so is Juno. Juno used to start shifting his weight to his front legs creating a noticeable limp half way through his daily walks. After being on Syn-Flex for only 1 week he was able to complete his walks without any limping at all! He has been on Syn-Flex for 3.5 months now & is doing well. There is no doubt that Syn-Flex is helping him with his hip dysplasia.

I also recommended Syn-Flex to our veterinary clinic as it is an effective product and pharmaceutical grade.

Thanks for making such a great product. Please don't stop producing it.

Jon F.
Jon Franklin
Kyle, TX

Just wanted to thank you for all the great information and for providing such a wonderful product. My 14 year old dog, Bob, was very uncomfortable & I was considering euthanasia. Out of desperation, I did some research and found your website. After a few days of Synflex, he began to get better. After a few weeks, he was full of energy. Now, a few months later, he's still doing fine.

Thanks to you, Bob is once again enjoying his golden years and the Grim Reaper was thwarted! I just ordered another bottle and highly recommend that anyone with arthritis try it. It really worked mircles for Bob!

Barb Gaffney
Monee, IL

Two stories for you. The first is my 15 year old cat, Kiddy. In May he would attempt to jump on my bed only to make it about 1 of 5 tries. It was so sad, for he had been doing this jump for over 14 years! When he gave up, I had to do something. Figuring his life was coming to an end I wasn't sure what to do. The vet said it's just natural arthritis in an older cat, we could try some meds, but I didn't want to do that to his other organs.
We started Syn-flex in May, and within a few weeks he was jumping back on the bed. Nothing else changed in his diet, he was still on his premium food, and still a 95% indoor cat. His jump improved and after about a month, he was back to his normal self. He's been doing great since and I thank Syn-Flex for this.

My next story is Ernie, my Golden Retriever. Back in November 2002, he was diagnosed with Cancer on his skull, and no hope of any treatment. The vet said 3 weeks to 3 months max. He is still with me August 2004. I researched things on the web and was able to find a good holistic formula that seemed to work for him (Vitamin C/E and flax seed oil). Then he started to limp in one leg. I figured it was the spread of Cancer, but it was Arthritis, very common in Golden Retrievers, even at his age of 8. I immediately took him to the vet, they wanted to put him on the normal meds, but once they diagnosed as Arthritis, I started his Syn-flex. This was about three weeks ago. While he is not 100% back to where he was, he is not limping, and can take shorter walks around the block. A MUCH better improvementthan sitting in the kitchen and limping to the door to say hi. Syn-flex is working on him to extend the life he was given.

I truly believe in this product and have ordered it for not only my pets, but now my family and elderly relatives. It may be a strange "gift" but, the gift of being able to be mobile for pets and humans, is amazing. There may not be a "miracle drug" on the market, but in my life, I seem to have found the one that will help them all with the aches and pains.

Thank you Activex America for this product.


Tim Tierney
Gold Ribbon Rescue
Tim Tierney
Austin TX

I use Syn-Flex on all three of my rescued Border Collies and have seen a real improvement in their mobility. Two of my dogs aged 16 and 10 both have arthritic conditions, and my other dog aged 9 also suffers with her bones, which we suspect will turn arthritic. I have seen a reduction in stiffness in all my dogs and conventional medication has been greatly reduced.

I am glad I came across your product whilst researching a good quality glucosamine pet product and find your overseas service efficient and easy to use. I will be recommending Syn-Flex to other pet owners and hope to build a website telling people how pleased I am with the product.

Many Thanks

Angela J Coupar
Lincolnshire, UK

To be perfectly honest, I am a very sceptical personal by nature so when I ordered your product for the first time, I felt that I had very little to loose and thought that I would at least try it on our dog who has been through a very tough time in the past two years. Buddy is a six-year old mixed breed (although mainly German Shepherd). In the past two years he has undergone surgeries on both knees (ACL). He also has hip dysplacia and some indication of arthritis in both hips. I used the product on a daily basis as instructed and simply waited for some results, not expecting much. To my surprise, Buddy responded so well that he has finally returned to his old self. He's not jumping around like a jackrabbit and probably never will, but he no longer limps, has bundles of energy for walks and is very playful with other dogs. The crowning glory came last night when I was taking him for a walk. He was off leash and actually ran after a rabbit (the rabbit won the race). While he won't win any land speed records, I never even imagined that I would ever see him run again. I know that this may sound ridiculous but he
actually looks happy for the first time in two years. I strongly believe that your product has contributed significantly to this major turnaround.

Ottawa, Canada

I'm Erick, French established in haiti for many years. I have 3 American Bulldogs, and I had recently noticed a "walking problem" with 2 of them. These dogs are working dogs, and face many situation that have bad inpact on their joints.
For a couple of days I researched some products with glucosamine on the web. I finally decided to go for SYNFLEX, and bought 6 bottles. Let me tell you that after 5-6 days i've started the treatment,my dogs begin to change amazingly...!!!!
This morning (day 7) I could not even notice a walking problem any more....Dogs are running again all day long.

You really sell a top class product!

Best regards,
Erick Erwan
Haiti, West-Indies

I recently ordered a bottle of Syn-flex for my dog, a Treeing Walker coonhound that I rescued. I am so pleased with the results, I will be needing to order my next bottle soon. My dog was diagnosed with arthritis, I was so shocked, because he is such a young dog. He was so bad, that he could hardly move around, and would lay down to eat or drink. My vet put him on Rimadyl, which I did not want to have to keep him on that for the remainder of his life. I came across your website one day, as I had been giving him Glucosamine in a pill form. The more I read, the more I thought "wow" this is a great product. Needless to say, my dog is remarkable, he runs and plays and shows no sign of pain at all. I give it to him every day, and it truly has been a wonderful product. I highly recommend this product to anyone who has a pet suffering from arthritis.

Thank you

Stephanie Murphy