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The optimal synergy for joints & nerves. Our popular combination provides your dog with targeted micronutrients to support mobility and coordination. The set supports the natural processes throughout the entire musculoskeletal system: spine, intervertebral discs, joints, hips, down to the ligaments and tendons, so your dog stays active and fit.
Ideal for dogs with special demands on mobility: whether athletically active, sensitive, or in their middle years (up to approx. 7 years).
(For senior dogs, we recommend the combination of CARE senior and VITAMIN B).
€43.95
instead of €52.95 RRP€43.95
instead of €52.95 RRPNatural micronutrients are an important building block for challenges of the musculoskeletal system. Together with other measures, such as physiotherapy, they have become established. Our combination was developed together with veterinarians and animal naturopaths.

The dog's musculoskeletal system is a complex system. Age-related changes to the spine (like spondylosis), breed-specific challenges (like wedge vertebrae), strain on the intervertebral discs (discopathy), or issues like cauda equina syndrome place high demands on the nutrient balance. Targeted nutritional supplementation is essential here to support normal function.
The stiffening of the spine or pressure on the nerves can lead to irritation. As a result of nerve irritation, signal loss, incontinence, trembling (tremor), or coordination disorders can occur. Joint changes (arthrosis) can also develop due to an altered gait. Here, nutritional support can be a valuable accompaniment.
Trembling (tremor / head-bobbing etc.) often has a neurological background. Conditions like arthrosis and spondylosis, as well as age- or illness-related muscle weakness, can be contributing factors. A weakened or irritated nervous system always plays a large role in trembling. Supplementing with B vitamins can make an important contribution, as they are essential for the health of the nervous system.
Please note: To support regeneration after acute phases of increased strain, our combo set of VITAL regeneration and VITAMIN B is the preferred choice for comprehensive nutritional supplementation.
If you notice typical signs of reduced nerve function in your dog, in addition to pain reactions or gait abnormalities, a veterinary diagnosis is essential. Alongside this, measures to strengthen the nerve cells can be useful.
A Vitamin B complex tailored to the needs of the dog's organism can effectively support normal nerve function. The micronutrients of the B-complex are essential for the normal function of nerve cells, as the dog cannot produce them itself.
Furthermore, it is important to provide nutritional support for the aging spine. It is also important to strengthen the intervertebral discs of the spine as well as the surrounding ligaments, tendons, and fasciae. Here too, micronutrients, also known as joint nutrients, are important for support.
JOINTS is available in three weight classes to allow for appropriate dosing for your dog. The certified feed supplement provides valuable micronutrients (incl. Devil's Claw & Frankincense), which are specially tailored to the needs of dogs. The combination of these micronutrients supports elastic and resilient cartilage tissue and promotes its regenerative capacity. Additionally, they strengthen the fascia, ligament, tendon, and vertebral soft tissue, and stimulate the production of joint fluid (synovial fluid).
The nerve pathways run through the entire body. Irritation from spondylosis or a herniated disc can lead to pain and neurological deficits, such as paralysis, coordination disorders, or trembling (tremor).
For the nervous system to function smoothly, it requires a constant supply of the entire Vitamin B complex. Supplementation as a precaution can also provide nutritional support for the nerves. Even in demanding phases, the micronutrients significantly support normal nerve function.
Further information, especially on the contained ingredients and their spectrum of activity, can be found in the descriptions of the individual products of DOG FIT by PreThis® VITAMIN B and JOINTS.
DOG FIT by PreThis® stands for quality and purity. Our products are non-GMO and free from gluten, fructose, yeast, soy, grains, sugar, artificial flavors, flavor enhancers, or preservatives.
Our manufacturing process is particularly gentle and subject to extensive quality controls. DOG FIT by PreThis® meets even the highest standards and is produced with the greatest care, for dogs that deserve only the best.
We publish a selection of the reviews. They are checked before publication. Passages that refer to illnesses or symptoms are shortened by us and marked with […].
Ira
5 July 2026
My German Shepherd is more agile again
For about 40 days now, I've been giving my six-year-old German Shepherd […] these two capsules in his food in the morning and the vitamins in the afternoon as well. […] He's jumping around again and is generally more agile. I can recommend this combination.
— Automatic translation via DeepLVincent B.
24 September 2024
Great products!
My English Bulldog, Gisela, is now 7 years old. Over the past year, after lying down for long periods, she’s often had a harder time getting back up to speed, and overall she’s been a bit more sensitive. Since I didn’t want to give her pain medication long-term, I decided to try the combination of Joints & Vitamin B. We’ve been giving her both products for about six months now, and I feel like she’s responding very well to them. Gisela seems more balanced and is keeping up better in her daily life. I’m convinced of their effectiveness and will happily continue using these products!
— Automatic translation via DeepLAnne D.
26 June 2024
Very good!
We have a French Bulldog with disc and spinal problems. Ever since Rudi started getting the combination of Joints and Vitamin B, he’s been more mobile and better balanced again. A big thank you also to the customer service team—they’re always friendly and helpful! ❤️❤️
— Automatic translation via DeepLJohanna W.
2 January 2024
Thank you so much!!
I’d like to say thank you for the product combination! After Jack reacted to the meds from the vet and the homeopathic remedy didn’t work, I was at a loss at first. My veterinary physical therapist then recommended Dog Fit to us. Thank goodness! After just a few days, I could tell that Jack was feeling better!!
— Automatic translation via DeepLAerdna S.
15 November 2023
I really can't recommend it enough
I'd like to chime in, too. My 8-year-old dog has also benefited greatly from a combination of Vitamin B and Joints. Since then, she seems more agile and recovers better after playing fetch.
— Automatic translation via DeepLMarcus B.
13 July 2022
AWESOME!!
Spondylosis with tremors and incontinence—after 3 months, I feel like my dog is doing better again! Thank you so much!
— Automatic translation via DeepLLaura M.
9 October 2021
Very effective against spondylosis
Hello, dear team, My 14-year-old Jack Russell had been experiencing mild incontinence issues for quite some time; I noticed tremors from time to time, and he was getting slower and slower on walks. The vet then diagnosed him with spondylosis, which is common in dogs his age. The vet recommended that I give him pain medication long-term, but I didn’t want to do that. Luckily, while searching online, I discovered your website. I’ve been giving him a combination of Joints and Vitamin B for about 4 weeks now, and it’s really helping him! He hardly shakes anymore, his incontinence issues are almost gone, and he’s become much more active again :-) Many people have noticed the difference after just a short time, and I’ve happily recommended your products to others right away. Thank you so much!!!!
— Automatic translation via DeepLFrauke S.
30 September 2021
Very satisfied
Hello, dear team and readers of my review, These products were recommended to me by my animal naturopath. Thanks to this, along with physical therapy, we were fortunately able to avoid spinal disc surgery. My dog is clearly on the road to recovery. As for the store, I’d like to say: Deliveries are always fast, and the advice I received beforehand was knowledgeable and extremely friendly. For me, it’s a well-rounded package!
— Automatic translation via DeepLKlaus H.
6 August 2021
Thank you!
A BVS led to cauda equina syndrome in my dog. It's helping a lot—he's moving much better and has less pain. Thanks for the fast delivery. Best regards, Klaus
— Automatic translation via DeepLKarin G.
2 July 2021
A really good remedy
I don't usually leave reviews, but I'm happy to do so this time. Both products are really helping our dog, Spondy; we're really happy. We've noticed a significant reduction in pain during flare-ups, and the tremors in his legs hardly ever occur anymore. It does take some time for it to take effect, though.
— Automatic translation via DeepLStore out of the reach of small children, dry and protected from light.
Supplementary food for dogs
| Contents small | per capsule |
| Glucosamine sulfate | 100 mg |
| Collagen (hydrolyzed) | 90 mg |
| MSM (Methylsulfonylmethane) | 40 mg |
| Devil's Claw | 20 mg |
| Incense | 10 mg |
| NU-MAC® rice extract (release agent, vegan) |
Analytical components:
Crude protein 30.4%, crude fat 0.3%, crude ash 8.5%, crude fiber 5.2%
Per pack 60 capsules = 17.5 g
| Contents medium | per capsule |
| Glucosamine sulfate | 250 mg |
| Collagen (hydrolyzed) | 135 mg |
| MSM (Methylsulfonylmethane) | 100 mg |
| Devil's Claw | 50 mg |
| Incense | 25 mg |
| NU-MAC® rice extract (release agent, vegan) |
Analytical components:
Crude protein 45.3%, crude fat 0.42%, crude ash 13.3%, crude fiber 10.2%
Per pack 60 capsules = 37.5 g
| Contents large | per capsule |
| Glucosamine sulfate | 500 mg |
| Collagen (hydrolyzed) | 200 mg |
| MSM (Methylsulfonylmethane) | 200 mg |
| Devil's Claw | 100 mg |
| Incense | 50 mg |
| NU-MAC® rice extract (release agent, vegan) |
Analytical components:
Crude protein 61%, crude fat 0.62%, crude ash 17.2%, crude fiber 15.6 %
Per pack 60 capsules = 70.2 g
| Contents small | per capsule |
| Vitamin B3 (niacin) | 5.63 mg |
| Vitamin B5 (Calcium D-Pantothenate) | 2.00 mg |
| Vitamin B6 (pyridoxine hydrochloride) | 0.70 mg |
| Vitamin B2 (riboflavin) | 0.46 mg |
| Vitamin B1 (Thiamine Hydrochloride) | 0.52 mg |
| Vitamin B9 (folic acid) | 0.076 mg |
| Vitamin B7 (Biotin) | 0.02 mg |
| Vitamin B12 (Methylcobalamin) | 0.0004 mg |
| Capsule shell cellulose | |
| Filler acacia fiber |
Analytical components:
Crude fiber 11.1%, crude protein 2.7%, crude ash 0.9 %, crude fat 0.2%
Per pack 60 capsules = 19.9 g
| Contents medium | per capsule |
| Vitamin B3 (niacin) | 28.13 mg |
| Vitamin B5 (Calcium D-Pantothenate) | 9.58 mg |
| Vitamin B6 (pyridoxine hydrochloride) | 3.50 mg |
| Vitamin B2 (riboflavin) | 2.50 mg |
| Vitamin B1 (Thiamine Hydrochloride) | 2.62 mg |
| Vitamin B9 (folic acid) | 0.35 mg |
| Vitamin B7 (Biotin) | 0.10 mg |
| Vitamin B12 (Methylcobalamin) | 0.0016 mg |
| Capsule shell cellulose | |
| Filler acacia fiber |
Analytical components:
Crude fiber 14.9%, crude protein 5.3%, crude ash 2.6 %, crude fat 0.2%
Per pack 60 capsules = 20.1 g
| Contents large | per capsule |
| Vitamin B3 (niacin) | 56.25 mg |
| Vitamin B5 (Calcium D-Pantothenate) | 19.17 mg |
| Vitamin B6 (pyridoxine hydrochloride) | 7.00 mg |
| Vitamin B2 (riboflavin) | 5.24 mg |
| Vitamin B1 (Thiamine Hydrochloride) | 5.00 mg |
| Vitamin B9 (folic acid) | 0.70 mg |
| Vitamin B7 (Biotin) | 0.20 mg |
| Vitamin B12 (Methylcobalamin) | 0.0033 mg |
| Capsule shell cellulose | |
| Filler acacia fiber |
Analytical components:
Crude protein 18.1%, crude fiber 8.5%, crude ash 4.7 %, crude fat 0.2%
Per pack 60 capsules = 20.5 g
Animal-derived ingredients: The glucosamine in DOG FIT by PreThis® JOINTS is obtained from crustaceans, the collagen from pork and the gelatin capsule shell from beef. DOG FIT by PreThis® VITAMIN B is vegan. JOINTS and VITAMIN B are free from genetic engineering, yeast, soy, fructose, sugar, gluten, grains, palm oil and artificial flavors and preservatives.
Note: When selecting our ingredients, we decide carefully and rely on tested raw materials of high quality. Our responsibility towards animals comes first.
We take our commitment to environmental friendliness one step further. It is a clear priority for us to ensure that none of our ingredients come from protected animal species. This commitment reflects our deep-rooted respect for wildlife and is consistent with our commitment to ethical and environmentally conscious manufacturing. Gelatine is obtained from cattle, collagen from pigs.
The two supplements work at different points and therefore complement each other well in daily feeding: VITAMIN B and JOINTS can be given in one step instead of ordering two products separately. The set is also cheaper than buying individually. You will find what each supplement contains under “Ingredients”.
Both work. As a rule, VITAMIN B and JOINTS can be fed together or split between morning and evening. All that matters is that your dog receives each of the two once a day. Choose whatever fits your daily routine.
VITAMIN B & JOINTS is generally very well tolerated. We select our ingredients for high quality and a natural composition. As with any natural product, an individual dog may still react sensitively to a single ingredient. If you notice signs of intolerance, pause the supplement and get in touch with us. We are happy to help. If your dog has pre-existing conditions or receives a special diet or medication, please also talk to your veterinary practice.
Give VITAMIN B & JOINTS regularly for at least six weeks, in some cases longer. How quickly you notice something varies from dog to dog and depends on your dog's individual needs. Natural formulations need time to unfold their supporting properties: regular feeding matters more than a high single dose.
The set contains two packs of 60 capsules each. Feeding both supplements daily, it lasts around two months. If your dog receives an extra capsule according to the dosage recommendation, it will last correspondingly less.
That can almost always be solved. Many dogs accept the capsule more readily when it is embedded in something soft: a spoonful of wet food, quark or a piece of liver sausage usually does the trick. If your dog doesn't like the capsule at all, you can also open it and mix the contents into the food. One note on this: with JOINTS the capsule shell is made of high-quality beef gelatine and is therefore a valuable component in itself. So don't throw it away after opening. Soften it briefly in a little water and add it to the food. What matters most is regularity: an occasionally missed dose is no problem, but feeding should not be interrupted for long.
For further questions, such as combining several supplements, medication or the 5 + 1 deal, see our general FAQ.
Dr. med. vet. Sibylle Ott plays a central role in our team at DOG FIT by PreThis®. As an experienced veterinarian, she makes a decisive contribution to the development of our products. Her expertise and deep understanding of dogs' needs informs many of the formulas we create. She is a valuable asset to our team and to your dog's health.