Hepatotoxic medications
Long-term phenobarbital, NSAIDs, and certain antifungals stress liver cells — Denamarin supports regeneration and antioxidant defense during therapy.
Online Prescription
Get Denamarin Online — Same-Day Prescription
Denamarin supports liver health and function in dogs and cats. Get a same-day prescription from a licensed online vet — next-day delivery included.
Licensed Vets
$65 Flat Fee
Same-Day Rx
24/7 Access
Prescription Denamarin online
Get Denamarin from a licensed online vet
Licensed vet assessment before Denamarin is prescribed
Same-day video consultations for dogs and cats
Veterinary-formulated Denamarin dispensed through our pharmacy
$65 flat consultation fee — no hidden charges
Next-business-day delivery to your door
Liver health monitoring and follow-up guidance
The liver processes everything your pet eats, medications they take, and toxins they encounter. Denamarin provides targeted nutritional support to help liver cells repair and maintain function during disease or medication stress.
If bloodwork shows elevated liver enzymes or your pet has been diagnosed with liver disease, a TelaVets veterinarian can review lab results on video and prescribe Denamarin as part of a comprehensive liver support plan.
What is Denamarin?
Denamarin (Nutramax) combines S-Adenosylmethionine (SAMe) and silybin phosphatidylcholine complex (milk thistle extract) to support liver cell regeneration, antioxidant defense, and detoxification pathways in dogs and cats.
What does Denamarin treat?
Elevated liver enzymes, liver disease, toxin exposure recovery, hepatic lipidosis support, and adjunct therapy for pets on hepatotoxic medications.
When a vet may prescribe Denamarin
- Elevated ALT and ALP liver enzymes on bloodwork
- Chronic hepatitis and inflammatory liver disease support
- Recovery support after toxin ingestion or medication-induced liver stress
- Adjunct therapy for hepatic lipidosis in cats
- Liver support during long-term phenobarbital or NSAID therapy
- Post-surgical liver support following hepatic procedures
- Preventive liver support in breeds predisposed to liver disease
Possible side effects of Denamarin
Know what to watch for — your TelaVets vet will review risks and benefits during your consultation.
- Generally very well tolerated with minimal side effects
- Mild gastrointestinal upset on an empty stomach
- Rare vomiting if not given as directed
- No known serious adverse effects at recommended doses
Conditions Denamarin may be prescribed for
Why pets need Denamarin
Pets need Denamarin when liver stress from disease, toxins, or medications threatens normal hepatic function. Supporting the liver early improves outcomes and quality of life.
Toxin exposure
Xylitol, sago palm, certain mushrooms, and other toxins damage hepatocytes — Denamarin aids recovery alongside primary treatment.
Metabolic disease
Obesity-related hepatic lipidosis in cats and chronic hepatitis in dogs compromise liver function where Denamarin provides nutritional hepatoprotection.
How our vets determine if Denamarin is right
Denamarin is prescribed when a veterinarian identifies liver stress or disease that benefits from hepatoprotective support. TelaVets vets review your pet's lab results and clinical signs to confirm appropriateness.
- Review of recent bloodwork showing elevated liver enzymes
- Assessment of clinical signs — jaundice, vomiting, lethargy, appetite loss on video
- Discussion of current medications and potential hepatotoxicity
- Evaluation of breed predisposition to liver disease
- Guidance on when ultrasound, bile acids testing, or specialist referral is needed
Denamarin administration & dosing
Denamarin works best as part of a comprehensive liver care plan including dietary management and treatment of the underlying cause. Your TelaVets vet provides dosing instructions matched to your pet's weight and liver status.
Give on an empty stomach — at least 1 hour before or 2 hours after food for best absorption
Tablets should not be split or crushed — administer whole
For pets who resist pills, Denamarin Advanced chewable tablets are available for dogs
Cats should receive the cat-specific formulation at the correct weight-based dose
Consistent daily administration provides the best hepatoprotective benefit
Store in a cool, dry place — not in the bathroom or near heat
Allow 4–6 weeks of supplementation before rechecking liver enzymes
Always follow your prescribing veterinarian's instructions. Dosages are tailored to your pet's weight, age, and health status.
Using Denamarin safely for your pet
Consult your vet before combining with other liver supplements
Not a substitute for treating the underlying cause of liver disease
Seek emergency care for yellow gums, severe vomiting, or collapse
Inform your vet of all medications — especially anticonvulsants and NSAIDs
Recheck liver enzymes as recommended to monitor treatment response
Why pet parents choose TelaVets for prescriptions
Licensed DVMs Only
Every consultation is with a licensed Doctor of Veterinary Medicine — not a chatbot or technician.
$65 Flat Fee
One transparent price covers your full video consultation and treatment plan. No facility fees or surprise charges.
Same-Day Appointments
Most pet parents are connected with a vet within 1–3 hours of booking, 7 days a week.
Next-Day Prescriptions
When medication is appropriate, prescriptions are issued same-day and delivered to your door next business day.
Stress-Free Home Visits
Your pet is assessed in their calm home environment, which often makes symptoms easier to evaluate on video.
Secure & Private
Encrypted video calls and HIPAA-compliant records keep your pet's health information protected.
How to get Denamarin online
Book your consultation
Pick a same-day or upcoming slot — appointments available 7 days a week.
Connect with a licensed vet
Your vet assesses your pet via secure video, asks detailed questions, and reviews their history.
Get your treatment plan
Receive a diagnosis, personalised care plan, and same-day prescriptions delivered next-day.
What Our Pet Parents Say
Join thousands of happy pet parents who trust TelaVets for their furry family members care
"Fantastic service! My dog gets extremely anxious at the vet, so having a virtual appointment from home was a game-changer. The vet was kind and helpful, and getting his medication delivered the next day made the whole process stress-free and more affordable than going to the clinic."
DL
David Long
Verified Pet Parent
"The vet I spoke with Dr. Ricksaw was very knowledgeable and nice. He took the time to go through all of my options and ideas with me. Reassured me that all we were doing for my dog's anxiety was good and gave me a couple of new ideas as well."
CH
Courtney Hughes
Verified Pet Parent
"I would definitely use them again. I'm cat sitting for 2 weeks and needed to see a vet. I was so worried about the kitten. I used Televets the cat got his prescription and all is good. Excellent service!"
M
Maria
Verified Pet Parent
"Dr Corey was amazing, helpful, compassionate and well versed. I would highly recommend using this. It is so much easier than trying to get a 3 legged cat into a carrier, take him to a doctor's office and stress him out, love it!!!"
JG
Jackie Gardner
Verified Pet Parent
"I had a TelaVets Zoom appointment and couldn't be more impressed. They spent a lot of time with me, walking through every option to help my cat recover from her skin issues. I've also reached out about getting her medication through Chewy.com, and they've been extremely helpful every step of the way."
LD
Lara Durand
Verified Pet Parent
"Dr. Moppin is a dedicated professional who truly cares about his furry patients and their humans, too! It's such a relief that Dr. Cole took the time to listen and address my concerns thoughtfully. Thank you for taking care of our cats 🐈"
WW
Wanida Walker
Verified Pet Parent
"This service was amazing! My dog ran out of his medication before we were able to get in with a new vet and they were able to help get him a short term supply quickly. I would definitely use them again!"
AT
Amanda Tobias
Verified Pet Parent
"Knowledgeable, professional caring provider! Needed urgent Vet care on a weekend and TeleVet kept me from having to miss a day of work, as well as half the price of local weekend options. Thank you!"
JH
Jana Humble
Verified Pet Parent
"Dr. McGinnis was very knowledgeable and listened to my cat's issues. She addressed the problem and may have come up with an answer after 5 years of trying with local vet practices."
MK
Marilyn Kerr
Verified Pet Parent
"Fantastic service! My dog gets extremely anxious at the vet, so having a virtual appointment from home was a game-changer. The vet was kind and helpful, and getting his medication delivered the next day made the whole process stress-free and more affordable than going to the clinic."
DL
David Long
Verified Pet Parent
"The vet I spoke with Dr. Ricksaw was very knowledgeable and nice. He took the time to go through all of my options and ideas with me. Reassured me that all we were doing for my dog's anxiety was good and gave me a couple of new ideas as well."
CH
Courtney Hughes
Verified Pet Parent
"I would definitely use them again. I'm cat sitting for 2 weeks and needed to see a vet. I was so worried about the kitten. I used Televets the cat got his prescription and all is good. Excellent service!"
M
Maria
Verified Pet Parent
"Dr Corey was amazing, helpful, compassionate and well versed. I would highly recommend using this. It is so much easier than trying to get a 3 legged cat into a carrier, take him to a doctor's office and stress him out, love it!!!"
JG
Jackie Gardner
Verified Pet Parent
"I had a TelaVets Zoom appointment and couldn't be more impressed. They spent a lot of time with me, walking through every option to help my cat recover from her skin issues. I've also reached out about getting her medication through Chewy.com, and they've been extremely helpful every step of the way."
LD
Lara Durand
Verified Pet Parent
"Dr. Moppin is a dedicated professional who truly cares about his furry patients and their humans, too! It's such a relief that Dr. Cole took the time to listen and address my concerns thoughtfully. Thank you for taking care of our cats 🐈"
WW
Wanida Walker
Verified Pet Parent
"This service was amazing! My dog ran out of his medication before we were able to get in with a new vet and they were able to help get him a short term supply quickly. I would definitely use them again!"
AT
Amanda Tobias
Verified Pet Parent
"Knowledgeable, professional caring provider! Needed urgent Vet care on a weekend and TeleVet kept me from having to miss a day of work, as well as half the price of local weekend options. Thank you!"
JH
Jana Humble
Verified Pet Parent
"Dr. McGinnis was very knowledgeable and listened to my cat's issues. She addressed the problem and may have come up with an answer after 5 years of trying with local vet practices."
MK
Marilyn Kerr
Verified Pet Parent
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Frequently asked questions about Denamarin
Liver enzyme improvement typically takes 4–8 weeks of consistent daily use. Your vet will recheck bloodwork to monitor response and adjust the treatment plan.
For best absorption, give Denamarin on an empty stomach — at least 1 hour before or 2 hours after meals. Denamarin Advanced chewables for dogs can be given with a small treat if needed.
Yes, Denamarin is commonly combined with ursodiol, SAMe, or prescription liver diets. Your TelaVets vet coordinates a complete liver support protocol.
Denamarin is a veterinary nutraceutical — a supplement with clinical evidence for liver support. It requires veterinary authorization and is dispensed through our pharmacy.
A TelaVets consultation is $65 — including the full video exam and same-day Denamarin prescription when clinically appropriate.
Get your Denamarin prescription today
Same-day prescription — $65 consultation — next-day delivery