Osteo-MAX + Gut X
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Osteo-Max
Bone, Joint & Connective Tissue Support
+
Gut X
Support Gut Health & Trigger Immune Response
Backed by science: Designed by Dr. Russ Peterson, DVM, MS, DACVSMR (Chief Veterinary Officer, 100X Equine). Built with research-backed ingredients supported by veterinary literature. Trusted by 39,000+ horse owners.
Teresa T.
Babs, has laminitis, so so important to make her feel better, works wonders!
Melanie G.
We love 100x for our horses! We have used GutX, Osteomax, and the RegenX . They are all awesome!
Elizabeth
Great product.
Tracy P.
Recently started our 20 year old QH on GutX after he started dropping weight & has loose bowel movements. After less than a month on the GutX heโs already gaining weight back & stools have returned to normal. Thanks again!
Bonnie H.
These worked great on my previous horse. He is a Cribber. The first thing he would do was crib as soon as he was tied up. After a couple of months I noticed he was cribbing less. At about 3 months he didn't cribbing at all. I was so impressed with the Gut-X. The Osteo-max was just for maintaining health, because everything else seemed to be fine. So when I retired him at 20 years old, and started another one that was 10 years old, I decided to keep using them. So far after 2 years, he's staying calm and hasn't had any issues.
Thank you for a great product!!
Rochel F.
My customer experience has been absolutely outstanding with 100 x. Madison helped me from day 1 with expertise and kindness. I honestly have never received the kind of service, help, and kindness that she has had. The product was great at helping my mare live her best life at the end of her career.
ANGELA P.
Horse improved digestion and flexibility.
Loretta S.
Nothing better!
Marilyn D.
We have found that both Gut X and Osteo Max have helped our horses tremendously. One of our horses suffered from ulcers and occasional bouts with colic, and we are not seeing that now. The same fellow was lame with arthritis and he now shows no lameness, even though he is still a little sore sometimes. The other gelding has some soreness in the front feet, but we are seeing no lameness these days.
Cindy S.
I've been using these products since they hit the market
Gloria L.
My horse has been on these products for over a year...
Kristin H.
Excellent product.
Wendy M.
Happy, healthy horse!
Judy J.
Helped this debilitated OTTB come back better than ever.
Randy W.
Thsi is tig 25vyear old retired ranch horse who is thriving on gutx and osteo x. He's coat is so shiny and his gut seems to do very well on it
Michelle B.
Thsi is sugar our 28 year old qh mare who is on osteomax and gut x and she's doing great on it. She still going strong every day
Anna W.
Thsi is tig a 25 year old feedlot rescue we took it an the thrives on gutx and osteo x
Tangela W.
I started out with the joint-flex and gut x. Was please with the products that I've reordered, and now I've added the Osteo. Highly recommend
Christina F.
I have a 12 year old Appaloosa that has always been a horrible cribber. I have been using Gut X, Max Calm & OsteoMax and have seen a HUGE improvement! Great products
Nicole G.
Saw results within a couple of months with both horses. Use both products the Osteo max and the Gut x. I can really notice especially with their hair coats and manes. The 25 year old mare is on the Gut x and it has improved her looks so much. Her top line actually came back, which we did not think it would.
Angelika H.
My Grand Prix schoolmaster has been on Gut-X and Osteo-X for a while and while he is 17 years now he is still in the best shape, no lameness issues and because of his former show schedule Gut-X helped him focused and calm without me worrying about ulcers or stress related gut issues.
Now as maintenance he is happy as can be.
Best product, recommend by my vet and so easy to take anywhere
Martha R.
We use GutX and Osteo Max, love these products!
Donna F.
We love these products!
This mare is 21yrs old and was in very poor condition when we purchased her. After seeing our vet we put her on a proper diet and started her on GutX, OsteoMax, and AminoMax.
She has bloomed. We 100% recommend 100x products.
Susan P.
I've been using Osteo Max and Gut X for around 2 years for all my horses as preventive care. I love these products and they keep my horses happy and sound, never had any physical issues with them. I recently added joint flex and I'm sure it will be a great addition to the other supplements. I have my trainer on board with these supplements, he can see how good they look and preform while on these supplements. I recommend these products to everyone with a healthy horse or one that might have issues.
Savannah W.
I am slightly over the 2 week mark of using the Osteo-MAX, GutX & Amino-MAX. I am beyond pleased with the current results but I am more excited to see how things are around the 30-45 day mark. The black horse is around 10/12 & the palomino is 27! I intend to update pictures at the 30 day mark. These are from the day of starting.
Kelly S.
Great products our 6 year old ottb has taken Gut X for 2 years and Osteomax for 1 year. They are great and we also just bought the laser for a stiffle injury in our warmblood and also the Amino max for her along with she gets Osteomax now as well.
Lisa K.
Great product. Third time ordering it. And great customer service!
Anna N.
My seniors look amazing on OsteoMax and GutX. I appreciate the occasional sales and discount codes.
robert m.
Good stuff
Tammy B.
Osteo and gutx has given my horses a boost of energy and vibrant behavior I havenโt seen in years! Thank you so much for helping me to keep their youth as long as I can!
Brittney F.
Love this stuff. Have our show mares on it and it works!
Emily Z.
Easy to order quick to get! And amazing stuff. I suggest it to lots of people
Serena S.
I love the gutx for my training horses helps keep them relaxed and focused
Camille A.
I have 2 senior quarter horses who were getting some discomfort in their joints and starting to lose muscle tone. I started them on the amino max and joint flex and saw improvements in their mobility in about a week and their muscle tone in about a month. Due to age I think I will switch them to osteo max from the joint flex. This spring while riding the 21 year old gelding, everyone thought he was in the 8 year old age range because of how he looked and moved.
Corinne H.
My senior gelding has been on Osteo-Max since 2022 ! He has navicular and a stifle issue and with the Osteomax he is able to move freely in the pasture without injections or special shoes. He's 28 years old this year ! I recommend Osteomax and 100x products.
Diane W.
My two horses are on Gut X Osteo Max And 1 is on Calm love your products
Alex R.
From the ones just getting started to the ones in the show pen, they all get OsteoMax and GutX.
Nicole L.
Love this stuff !!! My horse is on three supplements. Amino max, gut X and Osteo Max. He looks great, performance is a top.. will be a life long customer.
Julie S.
We have both of our horses on OsteoMax & GutX. I truly believe this stuff keeps our horses happy & healthy! We have owned our horses for two years and have never had any issues. One of our horses was a rescue and the 100x products have done wonders for him! Heโs like a completely different horse! I recommend these products to everyone with horses, itโs worth the money!
Susan S.
Osteomax and GutX gave our 25 year old a new outlook on life.
Diana P.
My horses did not hesitate to eat these.
Janelle L.
I got the gut x for my mare after treating her for hind gut ulcers and she is so much more comfortable. Her coat has more shine today than in the picture and she has dapples. She had no issue eating it. I have used the osteomax with my yearlings, 2 yr old and my 14 yr old mare who has been a broodmare the past couple years and I could tell she was getting a little bit stiffer. She has never been injected and I started it only a few weeks ago and today she was running around trotting with full lofty strides and completely reaching under herself I definitely think it has helped her movement. I have always had excellent luck with their products and recommend them often. I just wish I could get people to use the referral code .
Karen K.
Louie loves his Osteo Max and Gut X. He feels great and everyone says he looks awesome!โค๏ธ
Roxanne R.
I use Osteo max and Gut X every day for my mare and the calm for events and shows.
We love them!
Savannah M.
All of our horses are looking great & feeling even better after being on OsteoMax & GutX!
Resi W.
My mare has been on both of these for around 3 years she is doing great her feet are the best they been in years according to my farrier and she has not had any ulcer problems at all
Traci P.
I will never go without it, it has really made my horse bloom and made him feel so much better. Heโs quieter, but heโs also firing harder. Love my 100x products!
Katherine D.
I have 10 horses on Gut X and Osteo Max. I have 2 of the 10 on Calm Max. All are doing well and seem to be thriving.
thank you, K Davis
Danielle .
My 25 year old QH mare has a history of ulcers and arthritis. Iโve had her on Osteo max and Gut X for several years now and swear by the products!
Kelli A.
I have 3 horses on these products and one is 30 yrs old and he always looks great year round!
Renee S.
Love your product.
Faith R.
Great customer service- contacted directly regarding usage and age of horse. Have used this product for years to help keep my older gelding feeling better.
Catherine H.
Great for my older guys. Not using meds at all for osteoarthritis on both.
Racheal P.
My sonโs horse, Cash, is 22 and still taking him on adventures thanks to Osteomax and Gutx. Iโve noticed a big difference in him since starting this last year. So much that we have 2 other horses using osteomax in our barn.
Brian B.
I have been using 100x products for my horses fairly consistently for 7+ years and for my dogs for at least 3 years. Great products and fast shipping.
Cynthia G.
I have used gutx for 6 years. It's an amazing product and my horses have done very well. Osteomax has also done amazing things for some of my horses especially those with arthritic knees.
Christina F.
I have a 12 year old Appaloosa that has always been a horrible cribber. I have been using Gut X, Max Calm & OsteoMax and have seen a HUGE improvement! Great products!!
Wendy K.
My horse had a stifle injury after a fall during a barrel racing run. Vetโs prognosis was off for at least 6 months with a slow recovery. I had him on 1 pump daily osteo max prior to injury. I increased him to 2 pumps daily and within 3 months he was like he was pre injury. My vet couldnโt believe how much he healed in only 3 months time. I truly believe Ostomax made his recovery time half and has kept him performing amazing since. I love 100 X products and highly recommend them.. I also use the Gut X daily on two others horses. Amazing products.
Jami S.
LOVE YOUR PRODUCTS
Patty B.
I put my little yellow mare on gutx & osteomax...the improvement in her coat, body quality & movement was outstanding. I show her ranch & just started western dressage...but we are most proud of how she handles her work with our grandson's. Love these products & the results
Lee P.
Jimmy is 16 now and looks better than ever. Moves are fluid and is just in great health.
Judy R.
My horses are doing so much better since I started using your products. Thanks!!
Jamie I.
Love this product!
Anastasia M.
Since I started Chica on Osteo Max, Gut X and lastly Max Calm she had done extremely well. Love all the products.
Isabelle J.
My 1D barrel mare lives on osteo-max, gut-x, and amino! Itโs a must have for her!
Deborah B.
I have a 24 yr. old Holsteiner - retired jumper - who has degenerative suspensory issues. I have had him on your bone and joint formula for a few years now. He has maintained his structure and I swear it must be from the support he is getting from your product. I also have my two other horses on the same formula. Thank you
Cathy H.
I contemplated buying this product for a while. Finally with the Easter special, I decided to try it. All four mares are getting OSTEO-MAX and GUT-X. BIG Difference. I love this stuff.
They are calmer, work better, and seem to be happier. One of the mares would have random lameness periodically and then it would go away. That is not happening anymore since starting her on these products. In fact she moves so smooth now. It's beautiful to see. I highly recommend these products. Well worth it.
Tiffany M.
LOVE IT! I USE IT ON MY KIDS PONY ALL THE WAY THROUGH TO MY OLD REITRED HORSE
Marissa L.
I use Osteo Max for my 20 year old gelding who has arthritis and navicular and it has helped him wonders! I also have my 13 year old gelding on it as preventative maintenance. My older gelding also gets the Gut X which has helped me maintain his weight, especially coming out of winter and dealing with moving to a new home!
Brooke V.
I have my 18 year old thoroughbred, 4 year old quarter horse, and three dogs on Gutx and OsteoMax. Itโs working great!
Susie H.
Both my horses are seniors 28 and 21 and are doing fantastic on Osteo max, Gut X and Amino Max. My mare suffered from fecal water syndrome for over a year and now has normal . My 28 yr gelding was skinny and had lost muscle mass and was teetering on having cushings and is now feeling great on these 3 products. Iโm glad I made the decision to try these products and I would recommend to anyone.
Nancy B.
We started with GutX years ago ( goodbye ulcers) and added OsteoMax a couple years ago ( good bye injections) and just recently added Calm ( goodbye anxiety). I love how each product helps my horse Zen in a different way. Great customer service and loyalty program- we will be lifelong customers.
sheri m.
23 year old gelding paint. Due to increasing gut issues, I decided to stop everything supplemental I had given him since ownership 13 years ago. I began using Gut X and Osteomax together and what a difference! He is feeling better everyday! Itโs been approximately 6 months and I have not seen my guy canter without any lameness since he was 17! Let alone canter comfortably at all! Its going to be a great riding summer finally!
~ sheri and remi
Trisha K.
Gut X has actually saved my 28 year old geldingโs life. He has to be antibiotics and everyone knows what they do to a horseโs stomach. He did NOT colic nor has he had any GI trouble in 4 months and heโs gained weight ! Heโs also on Amino Max. We have a foundered mare on Osteo Max that is still sure footed with Spring grass!!!! What???!!!
Amazing products. Amazing
Amber D.
We love it! We are using osteo, max calm & gut x. The two horses on max calm have really shown a difference.
Shania F.
Been using this product for over 3 years now and I dont see me stopping! Works amazing for my senior horse!
Janet W.
My horse has been on these products for at least 6 months and I believe they have helped him.
Joni F.
27 year old loves his Gut x and now he loves the Osteomax too
Ruth J.
Love the 100x products! Osteomax saved my daughterโs rodeo horse from a catastrophic injury. Gut x keeps her rodeo horses happy on the road and Amino Max is amazing for muscle recovery! As you can see from the photo itโs time to order more product!
Carrie M.
Our two older rodeo horses are still going strong at 20 and 18 yrs old. The littles have taken over riding both of them! They seem way more relaxed
Sherri E.
Your products are doing a fantastic job for our horses. Love it!
Helen H.
I bought Babe (Morgan Mare) at two and in 2026 she is 30 years old. She started to have digestive issues and I added GutX to her feed once a day in 2025. Here she is in May 2025, Morgan horse strong!
Nancy T.
I just picked up Sterling from Tennessee three weeks ago he is 12 years old and he needed some weight put on him. I am using all three of your product and the amazing turnout has been wonderful. His skin, his hair and adding this to his diet, he is looking great.
My niece is also using your product for over 60 days and her horse is looking fabulous. I canโt wait to see what Sterlingโs gonna be looking like in the future because I will be buying your product for now on
Thank You
Nancy From Texas
Kevin N.
We use gut x and osteomax every day. Great products
Ashley M.
My horse has been on it for 2 weeks. Looks like it is going to help putting weight on him
Samie L.
We've been feeding osto max and gut x for years and all I can say is that I've not had any problem with either horse. Thank you
Rebecca S.
Very please with giving the OsteoMax and GutX to our mare, thanks for having a quality product!
Krista M.
We arrived at our boarding facility with my shire and mustang who were already on these products and benefitting tremendously. This poor old thoroughbred was just wasting away in the pasture. We sort of took him into our fold and then officially adopted him after a few months of feeding him and giving him supplements and care. I truly believe that with good hay, good grain, farrier care, and these two products and some love and attention it made all the difference in the world. He blossomed and has become so strong and runs and plays with our five year olds! He is their best friend!
Tracey S.
My horse shows no signs of lameness, .incredible product, Thank you
Sharon M.
These products are the real deal!!!
I have had my mare on Osteromax Flex +
GutX for 8 months and started the new Product for Hydration.
She now has a beautiful top line and feels great, confident and more comfortable than ever.
Thank you 100xequine for your great product!!!
Sharon and Rose
Susan L.
Thank you for an amazing product that keeps my girl running!
Mary S.
My horses absolute loves these products. The osteo max and gut x have been a staple in my barn since 2023. My horses lick their buckets clean.
E Kay W.
Works great! Love the product! Will continue to use both products on my 20+ years mare. Don't know her age exactly. Am using both 100X Max and Gut Max. Thanks for a great product and fast shipping!
Dan S.
My horses get Max-calm, Osteo-max and Gut x daily and I am completely satisfied with the results.
Karen R.
I have two old boys 24 and 21. Both are on Osteo, Max, and the oldest one is also on Gut X. Both are thriving and the two supplements are definitely a big part of that.
Deborah H.
It has worked amazingly
sandi m.
Been using 100xequine products for approx 7 yrs now. Recently in last yr or so started my then 19 yr old gelding on GutX and OsteoMax. He had a leg injury that should have taken longer to heal than it did. I attribute it to these products. I love these products, my guy will be on them for the rest of his life.
Tara B.
Horses love it.
Debbie W.
I have 2 horses on Osteo Max and 3 on Gut x.
Kevin W.
Love these products, my horse is 26 coming this spring , and acts and rides like a 4 year old. Love these supplements.
Thank you
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