immune & virus support
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1-877-937-4372 the pet expert hotline
Helps your pet fight Feline Leukemia, FIV virus, other viral infections, and lymphoma
Cats with FeLV often face health challenges and uncertain futures. But at a small, self-run shelter in Florida, Jessica saw incredible transformations thanks to love, care, and natural supplements. This ‘Pet Tail’ shares their inspiring story of hope!
Feline Leukemia – also called FeLV – is a virus that affects a cat’s immunity and general well-being. Cats affected by it get illnesses easier, deal with low red blood cells, and can also get tumors.

Running a small, self-run cat shelter in Florida isn’t easy – and Jessica gets that more than most. To the left here is Nori, who was found on the side of the road, sick, alone, and FeLV positive.
When FeLV-positive cats show up frail and ill, it hits hard. Each arrival brings worry, not just about initial health, also about what may come next.
Jessica puts it best:
It was devastating to do everything we could, yet still lose them and feel completely helpless—especially after being told by vets that they likely wouldn’t have much time.
Even with these challenges, cats carrying FeLV often do well when they get proper help. The desire to see them bounce back – stronger, livelier, happier – motivated Jessica to seek ways to support her crew of kitties.
Jessica researched ways to help the precious FeLV babies that were joining her shelter – at this point, there were 12! During her search, she came across NHV and our formula for pets with viral conditions, Felimm.
Finding NHV Felimm truly feels like a miracle. Within just a few weeks, we saw a remarkable transformation. Our FeLV kitties began gaining weight, their symptoms improved, and they started playing again as if they were healthy kittens.

Charley Cole here, pictured left, was rescued from an abusive home, fearful and weak due to his FeLV. He’s just one of the twelve FeLV kitties who have been taken in and supported with NHV Felimm.
While there is no cure for FeLV, there are always ways to support kitties with this disease and improve their quality of life. Alongside veterinarian care, herbal supplements may play a role in supporting cats with this condition.
We are truly grateful to NHV Naturals for giving them another chance at a happy, high-quality life. Felimm has made a world of difference, and we will continue using it for our FeLV rescues. It has given hope where there was almost none.
While vet care is always the first step, natural support like NHV Felimm can be a gentle boost alongside treatment, diet, and nutrition.
Felimm combines herbs like aloe vera, St. John’s Wort, turmeric, dandelion, and cat’s claw to support their immune system as it keeps your kitty safe from threats. Many, like Jessica, notice positive changes after starting a supplement routine. Their cats seem brighter, or more like themselves!
Jessica’s story proves that pets with love and determination, FeLV cats can enjoy a good quality of life. Curious about how NHV Felimm may support your kitty? Just use the chat box below to contact a friendly Pet Expert. We love meeting cats and learning how we can support them!
immune & virus support
Vet-Formulated Natural Support to Help Fight Feline Leukemia
bundle and save with pet expert kits
3 month supply for a small to medium size pet.
What is it?
All-natural supplements that help support cats with FeLV.
How Does it Work?
Why Should I Trust It?
Vet-approved and vet-formulated herbal blends.
What is it?
All-natural supplements that help support cats with FeLV.
How Does it Work?
Why Should I Trust It?
Vet-approved and vet-formulated herbal blends.
A powerful pack of two Natural herbal supplements that help fight the battle against Feline Leukemia. Both safe to use with vet-recommended treatment for feline leukemia. They help to balance a cat’s immune system and fight infection.
Feline leukemia is a retrovirus that is known to cause a variety of cancers, so prevention and control are essential for your kitty’s health and survival. For more information, see our article on understanding feline leukemia with Dr. Hillary Cook.
Read Buddy's Story of how he bounced back from feline leukemia with NHV’s all-natural supplements.
If you are unsure about using herbal supplements to add support to the feline leukemia natural treatment prescribed by your vet for comprehensive care, you can schedule a consultation with one of our holistic veterinarians who can answer all your questions and concerns. At NHV your pet’s health is our top priority.
This product also provides support for pets exposed to environmental toxins as well as promoting strong muscle and bone growth.
Select your pet's weight to determine the correct dose.
To be taken twice daily. Determine your pet’s weight and then use the easy chart below to determine the correct dose. This is the minimum dosage.
Pet's Weight Dosage
0 - 15 lb = 0.5 ml
16 - 30 lb = 1.0 ml
31 - 45 lb = 1.5 ml
46 - 60 lb = 2.0 ml
61 - 75 lb = 2.5 ml
Over 75 lb = 3.0 ml
How to Administer
Shake well before use. The easiest method is to use the dropper provided and place the drops into your pet’s food or favorite treat. You can also use the dropper and squirt directly into the pet’s mouth. Some pets can be finicky, if this occurs consider hiding the drops in foods most pet’s love such as fish, chicken or yogurt or a favorite treat. If your pet only eats dry food then soak a few kibbles at feeding time.
For Best Results
Herbal dietary supplements are beneficial to the health and well-being of your pet and are safe for long-term use. Every pet responds to natural herbal supplements differently, therefore it is important to be consistent and administer the product daily. Supplements generally take two to four weeks to take effect, however this will vary from one animal to the next.
Product Storage
All NHV Natural Pet Products are pure herbal extracts and contain no artificial additives, preservatives or coloring. Shelf life after opening is 6 months and must be refrigerated after opening.
Cautions and Contraindications
Do not use in pregnant or nursing animals.
All information provided by NHV Natural Pet Products is for educational purposes only.
A powerful pack of two Natural herbal supplements that help fight the battle against Feline Leukemia. Both safe to use with vet-recommended treatment for feline leukemia. They help to balance a cat’s immune system and fight infection.
Feline leukemia is a retrovirus that is known to cause a variety of cancers, so prevention and control are essential for your kitty’s health and survival. For more information, see our article on understanding feline leukemia with Dr. Hillary Cook.
Read Buddy's Story of how he bounced back from feline leukemia with NHV’s all-natural supplements.
If you are unsure about using herbal supplements to add support to the feline leukemia natural treatment prescribed by your vet for comprehensive care, you can schedule a consultation with one of our holistic veterinarians who can answer all your questions and concerns. At NHV your pet’s health is our top priority.
This product also provides support for pets exposed to environmental toxins as well as promoting strong muscle and bone growth.
Select your pet's weight to determine the correct dose.
To be taken twice daily. Determine your pet’s weight and then use the easy chart below to determine the correct dose. This is the minimum dosage.
Pet's Weight Dosage
0 - 15 lb = 0.5 ml
16 - 30 lb = 1.0 ml
31 - 45 lb = 1.5 ml
46 - 60 lb = 2.0 ml
61 - 75 lb = 2.5 ml
Over 75 lb = 3.0 ml
How to Administer
Shake well before use. The easiest method is to use the dropper provided and place the drops into your pet’s food or favorite treat. You can also use the dropper and squirt directly into the pet’s mouth. Some pets can be finicky, if this occurs consider hiding the drops in foods most pet’s love such as fish, chicken or yogurt or a favorite treat. If your pet only eats dry food then soak a few kibbles at feeding time.
For Best Results
Herbal dietary supplements are beneficial to the health and well-being of your pet and are safe for long-term use. Every pet responds to natural herbal supplements differently, therefore it is important to be consistent and administer the product daily. Supplements generally take two to four weeks to take effect, however this will vary from one animal to the next.
Product Storage
All NHV Natural Pet Products are pure herbal extracts and contain no artificial additives, preservatives or coloring. Shelf life after opening is 6 months and must be refrigerated after opening.
Cautions and Contraindications
Do not use in pregnant or nursing animals.
All information provided by NHV Natural Pet Products is for educational purposes only.
immune & virus support
Felimm, Milk Thistle & Turmeric
bundle and save with pet expert kits
3 month supply for a small to medium size pet.
What is it?
NHV's Feline Leukemia Immune and Antioxidant Super Support Kit is formulated to help support the immune system, the cardiovascular system, the liver and kidneys.
How Does it Work?
Why Should I Trust It?
Made specifically for pets, vet-formulated and vet approved.
What is it?
NHV's Feline Leukemia Immune and Antioxidant Super Support Kit is formulated to help support the immune system, the cardiovascular system, the liver and kidneys.
How Does it Work?
Why Should I Trust It?
Made specifically for pets, vet-formulated and vet approved.
If your kitty has recently tested positive for feline leukemia (FeLV), it doesn’t mean a death sentence for your pet! NHV's Feline Leukemia Immune and Antioxidant Super Support Kit help your kitty to get the right care and support they need to live a long and healthy life!
Feline or cat leukemia virus, also known as FeLV, is a retrovirus that affects cats all over the world, with an alarming 85% mortality rate if left untreated. It suppresses your kitty's immune system and leaves them open to recurring infections and serious health conditions like cancer. FeLV doesn’t have to be the end of the road for your pet; many affected FeLV kitties can prevent infection with the right care plan. At NHV, we strive to give our FeLV furkids the very support and have formulated natural remedies specifically to help them live a healthy life. Our FeLV Immune and Antioxidant Super Support Kit is formulated to help relieve inflammation and discomfort, add cardiovascular support, help eliminate toxic wastes (especially for pets on medications), and help to rebuild and restore the immune system.
FeLV positive kitties have weakened immune systems so they may get sick more easily and frequently. These bouts of illness can be very uncomfortable and stressful for both pet parents and kitties alike. So our Feline Leukemia (FeLV) Immune and Antioxidant Super Support Kit is formulated to give your FeLV furpals the extra support they need to help them relieve symptoms and live a healthy, happy life! This supplement bundle contains our NHV Milk Thistle, NHV Turmeric, and NHV Felimm.
NHV Milk Thistle is especially helpful for pets on strong medication or radiation therapy to help support liver detoxification and encourage regeneration. Our formulation of Turmeric contains organic black pepper and organic turmeric which are rich in nutrients and antioxidants to support healthy immune cell formation, healthy cardiovascular function, soothe inflammation and enhance healing.
NHV Felimm is our leading FIV/FeLV support due to its immune stimulating and infection fighting properties. Herbs like aloe vera, alfalfa, burdock and gotu kola contain beneficial detoxifying properties to help flush harmful toxins out of the body that may accumulate during illness. While the antimicrobial, antibacterial, and antiviral properties in Felimm help support the body's defenses against infectious disease, colds, flu, respiratory tract infections and other conditions caused by a suppressed immune system. Soothing herbs like Myrrh help to enhance healing while St. John's Wort and Usnea have long histories of use against viral and retroviral infections such as FIV, feline/cat leukemia, herpes, viral hepatitis, sinus infections, bronchitis, pneumonia, strep throat, and many other immunodeficiency infections.
Additional Info:
Studies have shown that the active ingredient in Milk Thistle contains anti-inflammatory, antioxidant, and detoxifying properties to promote regeneration and help prevent tumor growth.
We know how important your pets are to you. That’s why we made our cat leukemia supplements 100% natural, easy to administer (liquid formula), and made with only the best organic, plant-based ingredients. For any questions or concerns about your furkiddo’s immune health, don’t hesitate to get in touch with an NHV Pet Expert - we’re here to support you every step of the way!
Made with the finest, organically grown, or ethically harvested herbs. Made specifically for pets, vet-formulated and vet approved.
Milk Thistle
Turmeric
Felimm
Select your pet's weight to determine the correct dose.
To be taken twice daily. Determine your pet’s weight and then use the easy chart below to determine the correct dose. This is the minimum dosage.
Pet's Weight Dosage
0 - 15 lb = 0.5 ml
16 - 30 lb = 1.0 ml
31 - 45 lb = 1.5 ml
46 - 60 lb = 2.0 ml
61 - 75 lb = 2.5 ml
Over 75 lb = 3.0 ml
How to Administer
Shake well before use.The easiest method is to use the dropper provided and place the drops into your pet’s food or favorite treat. You can also use the dropper and squirt directly into the pet’s mouth. Some pets can be finicky, if this occurs consider hiding the drops in foods most pet’s love such as fish, chicken or yogurt or a favourite treat. If your pet only eats dry food then soak a few kibbles at feeding time.
For Best Results
Herbal dietary supplements are beneficial to the health and well-being of your pet and are safe for long-term use. Every pet responds to natural herbal supplements differently, therefore it is important to be consistent and administer the product daily. Supplements generally take two to four weeks to take effect, however this will vary from one animal to the next.
Product Storage
All NHV Natural Pet Products are pure herbal extracts and contain no artificial additives, preservatives or coloring. Shelf life after opening is 6 months and must be refrigerated after opening.
Cautions and Contraindications
Do not use in pregnant or nursing animals.
All information provided by NHV Natural Pet Products is for educational purposes only.
If your kitty has recently tested positive for feline leukemia (FeLV), it doesn’t mean a death sentence for your pet! NHV's Feline Leukemia Immune and Antioxidant Super Support Kit help your kitty to get the right care and support they need to live a long and healthy life!
Feline or cat leukemia virus, also known as FeLV, is a retrovirus that affects cats all over the world, with an alarming 85% mortality rate if left untreated. It suppresses your kitty's immune system and leaves them open to recurring infections and serious health conditions like cancer. FeLV doesn’t have to be the end of the road for your pet; many affected FeLV kitties can prevent infection with the right care plan. At NHV, we strive to give our FeLV furkids the very support and have formulated natural remedies specifically to help them live a healthy life. Our FeLV Immune and Antioxidant Super Support Kit is formulated to help relieve inflammation and discomfort, add cardiovascular support, help eliminate toxic wastes (especially for pets on medications), and help to rebuild and restore the immune system.
FeLV positive kitties have weakened immune systems so they may get sick more easily and frequently. These bouts of illness can be very uncomfortable and stressful for both pet parents and kitties alike. So our Feline Leukemia (FeLV) Immune and Antioxidant Super Support Kit is formulated to give your FeLV furpals the extra support they need to help them relieve symptoms and live a healthy, happy life! This supplement bundle contains our NHV Milk Thistle, NHV Turmeric, and NHV Felimm.
NHV Milk Thistle is especially helpful for pets on strong medication or radiation therapy to help support liver detoxification and encourage regeneration. Our formulation of Turmeric contains organic black pepper and organic turmeric which are rich in nutrients and antioxidants to support healthy immune cell formation, healthy cardiovascular function, soothe inflammation and enhance healing.
NHV Felimm is our leading FIV/FeLV support due to its immune stimulating and infection fighting properties. Herbs like aloe vera, alfalfa, burdock and gotu kola contain beneficial detoxifying properties to help flush harmful toxins out of the body that may accumulate during illness. While the antimicrobial, antibacterial, and antiviral properties in Felimm help support the body's defenses against infectious disease, colds, flu, respiratory tract infections and other conditions caused by a suppressed immune system. Soothing herbs like Myrrh help to enhance healing while St. John's Wort and Usnea have long histories of use against viral and retroviral infections such as FIV, feline/cat leukemia, herpes, viral hepatitis, sinus infections, bronchitis, pneumonia, strep throat, and many other immunodeficiency infections.
Additional Info:
Studies have shown that the active ingredient in Milk Thistle contains anti-inflammatory, antioxidant, and detoxifying properties to promote regeneration and help prevent tumor growth.
We know how important your pets are to you. That’s why we made our cat leukemia supplements 100% natural, easy to administer (liquid formula), and made with only the best organic, plant-based ingredients. For any questions or concerns about your furkiddo’s immune health, don’t hesitate to get in touch with an NHV Pet Expert - we’re here to support you every step of the way!
Made with the finest, organically grown, or ethically harvested herbs. Made specifically for pets, vet-formulated and vet approved.
Milk Thistle
Turmeric
Felimm
Select your pet's weight to determine the correct dose.
To be taken twice daily. Determine your pet’s weight and then use the easy chart below to determine the correct dose. This is the minimum dosage.
Pet's Weight Dosage
0 - 15 lb = 0.5 ml
16 - 30 lb = 1.0 ml
31 - 45 lb = 1.5 ml
46 - 60 lb = 2.0 ml
61 - 75 lb = 2.5 ml
Over 75 lb = 3.0 ml
How to Administer
Shake well before use.The easiest method is to use the dropper provided and place the drops into your pet’s food or favorite treat. You can also use the dropper and squirt directly into the pet’s mouth. Some pets can be finicky, if this occurs consider hiding the drops in foods most pet’s love such as fish, chicken or yogurt or a favourite treat. If your pet only eats dry food then soak a few kibbles at feeding time.
For Best Results
Herbal dietary supplements are beneficial to the health and well-being of your pet and are safe for long-term use. Every pet responds to natural herbal supplements differently, therefore it is important to be consistent and administer the product daily. Supplements generally take two to four weeks to take effect, however this will vary from one animal to the next.
Product Storage
All NHV Natural Pet Products are pure herbal extracts and contain no artificial additives, preservatives or coloring. Shelf life after opening is 6 months and must be refrigerated after opening.
Cautions and Contraindications
Do not use in pregnant or nursing animals.
All information provided by NHV Natural Pet Products is for educational purposes only.
immune support
BK Detox, ES Clear & Turmeric
bundle and save with pet expert kits
3 month supply for a small to medium size pet
What is it?
NHV’s Immune System Support Gold is a natural supplement bundle formulated with herbal ingredients to help strengthen your pet’s immune system, flush out toxins, fight infections, and boost overall vitality with essential vitamins, minerals, and antioxidants.
How Does it Work?
Why Should I Trust It?
Vet-approved and vet-formulated natural remedies.
What is it?
NHV’s Immune System Support Gold is a natural supplement bundle formulated with herbal ingredients to help strengthen your pet’s immune system, flush out toxins, fight infections, and boost overall vitality with essential vitamins, minerals, and antioxidants.
How Does it Work?
Why Should I Trust It?
Vet-approved and vet-formulated natural remedies.
Whenever our pets get sick or something is off, it takes a toll on their immune system. Give your furkiddo a little extra support with NHV’s Immune System Support Gold to bolster their natural defenses.
All living creatures are susceptible to harmful microorganisms invading their body and making them sick. Your cat or dog’s first line of defense is their skin - a physical barrier protecting them from the outside world. Beyond the skin, vertebrate animals (like humans and your pets) have also developed a complex system to target and fight off diseases called the immune system. So, in other words, the immune system is your furkiddo’s best defense against pathogens and infectious diseases. The main parts of the immune system are:
From the moment they open their eyes, our furry friends want to explore, sniff and play. Sadly, many of our four-legged friends will experience some form of illness in their lifetime, which will weaken their immune system and make them susceptible to all sorts of other health complications. Our Immune System Support Gold can be used for proactive pet care as well as be helpful for more severe conditions, like a degenerative disease where their immune system may be severely weakened. NHV supplements are formulated to be used alongside conventional veterinary treatments as they contain many beneficial properties to support your pet's overall vitality as well as add extra support to help restore healthy immune function.
Any time your furkiddo's health is off track, their immune system is most likely affected. NHV's Immune Health Kit contains BK-Detox, ES-Clear, and Turmeric. BK-Detox helps flush the lymphatic system of toxic waste (especially areas of the body having scar tissue or swelling), support gentle detoxification of vital organs, and help to build new blood cells. Although NHV ES Clear is our leading degenerative disease support supplement, ingredients like Sheep's Sorrel and Slippery Elm are also highly beneficial for their nutritional qualities and for boosting white blood cell and T-cell production. Turmeric adds extra antioxidant support to enhance the body’s immune response and soothes inflammation.
With NHV Supplements, you can help provide your furry friend with the extra support they need to restore their immune health and support other vital body processes. All of our care products are created with 100% organic and wildcrafted ingredients. If you have any questions about your pet’s unique health needs, Get in touch with an NHV Pet Expert - we’re always happy to help.
Made with the finest, organically grown, or ethically harvested herbs. Made specifically for pets, vet-formulated and vet approved.
BK-Detox
ES Clear
Turmeric
Select your pet's weight to determine the correct dose.
To be taken twice daily. Determine your pet’s weight and then use the easy chart below to determine the correct dose. This is the minimum dosage.
Pet's Weight Dosage
0 - 15 lb = 0.5 ml
16 - 30 lb = 1.0 ml
31 - 45 lb = 1.5 ml
46 - 60 lb = 2.0 ml
61 - 75 lb = 2.5 ml
Over 75 lb = 3.0 ml
How to Administer
Shake well before use. The easiest method is to use the dropper provided and place the drops into your pet’s food or favorite treat. You can also use the dropper and squirt directly into the pet’s mouth. Some pets can be finicky, if this occurs consider hiding the drops in foods most pet’s love such as fish, chicken or yogurt or a favorite treat. If your pet only eats dry food then soak a few kibbles at feeding time.
For Best Results
Herbal dietary supplements are beneficial to the health and well-being of your pet and are safe for long-term use. Every pet responds to natural herbal supplements differently, therefore it is important to be consistent and administer the product daily. Supplements generally take two to four weeks to take effect, however this will vary from one animal to the next.
Product Storage
All NHV Natural Pet Products are pure herbal extracts and contain no artificial additives, preservatives or coloring. Shelf life after opening is 6 months and must be refrigerated after opening.
Cautions and Contraindications
Do not use in pregnant or nursing animals.
All information provided by NHV Natural Pet Products is for educational purposes only.
Whenever our pets get sick or something is off, it takes a toll on their immune system. Give your furkiddo a little extra support with NHV’s Immune System Support Gold to bolster their natural defenses.
All living creatures are susceptible to harmful microorganisms invading their body and making them sick. Your cat or dog’s first line of defense is their skin - a physical barrier protecting them from the outside world. Beyond the skin, vertebrate animals (like humans and your pets) have also developed a complex system to target and fight off diseases called the immune system. So, in other words, the immune system is your furkiddo’s best defense against pathogens and infectious diseases. The main parts of the immune system are:
From the moment they open their eyes, our furry friends want to explore, sniff and play. Sadly, many of our four-legged friends will experience some form of illness in their lifetime, which will weaken their immune system and make them susceptible to all sorts of other health complications. Our Immune System Support Gold can be used for proactive pet care as well as be helpful for more severe conditions, like a degenerative disease where their immune system may be severely weakened. NHV supplements are formulated to be used alongside conventional veterinary treatments as they contain many beneficial properties to support your pet's overall vitality as well as add extra support to help restore healthy immune function.
Any time your furkiddo's health is off track, their immune system is most likely affected. NHV's Immune Health Kit contains BK-Detox, ES-Clear, and Turmeric. BK-Detox helps flush the lymphatic system of toxic waste (especially areas of the body having scar tissue or swelling), support gentle detoxification of vital organs, and help to build new blood cells. Although NHV ES Clear is our leading degenerative disease support supplement, ingredients like Sheep's Sorrel and Slippery Elm are also highly beneficial for their nutritional qualities and for boosting white blood cell and T-cell production. Turmeric adds extra antioxidant support to enhance the body’s immune response and soothes inflammation.
With NHV Supplements, you can help provide your furry friend with the extra support they need to restore their immune health and support other vital body processes. All of our care products are created with 100% organic and wildcrafted ingredients. If you have any questions about your pet’s unique health needs, Get in touch with an NHV Pet Expert - we’re always happy to help.
Made with the finest, organically grown, or ethically harvested herbs. Made specifically for pets, vet-formulated and vet approved.
BK-Detox
ES Clear
Turmeric
Select your pet's weight to determine the correct dose.
To be taken twice daily. Determine your pet’s weight and then use the easy chart below to determine the correct dose. This is the minimum dosage.
Pet's Weight Dosage
0 - 15 lb = 0.5 ml
16 - 30 lb = 1.0 ml
31 - 45 lb = 1.5 ml
46 - 60 lb = 2.0 ml
61 - 75 lb = 2.5 ml
Over 75 lb = 3.0 ml
How to Administer
Shake well before use. The easiest method is to use the dropper provided and place the drops into your pet’s food or favorite treat. You can also use the dropper and squirt directly into the pet’s mouth. Some pets can be finicky, if this occurs consider hiding the drops in foods most pet’s love such as fish, chicken or yogurt or a favorite treat. If your pet only eats dry food then soak a few kibbles at feeding time.
For Best Results
Herbal dietary supplements are beneficial to the health and well-being of your pet and are safe for long-term use. Every pet responds to natural herbal supplements differently, therefore it is important to be consistent and administer the product daily. Supplements generally take two to four weeks to take effect, however this will vary from one animal to the next.
Product Storage
All NHV Natural Pet Products are pure herbal extracts and contain no artificial additives, preservatives or coloring. Shelf life after opening is 6 months and must be refrigerated after opening.
Cautions and Contraindications
Do not use in pregnant or nursing animals.
All information provided by NHV Natural Pet Products is for educational purposes only.
Published: December 23, 2025