Pet Herb Library

69 detailed pet herb profiles with species-specific safety ratings, weight-based dosing, and administration guides.

Evidence:AllABCT

Showing 50 of 69 herbs

Boswellia

Boswellia serrata

AStrong EvidenceBurseraceae

Ayurvedic gum resin rich in boswellic acids that inhibit 5-lipoxygenase (5-LOX), delivering potent anti-inflammatory action for joints and gut without the COX-inhibition liabilities of NSAIDs. Exceptionally well tolerated.

Bupleurum

Bupleurum chinense

BGood EvidenceApiaceae

Core TCM veterinary herb; liver-mover and harmonizer in formulas like Xiao Yao San and Minor Bupleurum. Treats liver stagnation, hepatitis, and fever in integrative practice.

Calendula

Calendula officinalis

BGood EvidenceAsteraceae

The premier wound-healing herb for pets. Used primarily topically for cuts, hot spots, skin irritation, and ear infections. Anti-inflammatory, antimicrobial, and promotes tissue repair.

Chamomile

Matricaria chamomilla

BGood EvidenceAsteraceae

One of the safest and most versatile herbs for pets. Mild sedative, digestive soother, and anti-inflammatory. Used as a calming tea, skin rinse, or added to food.

Chaste Tree Berry

Vitex agnus-castus

AStrong EvidenceLamiaceae

Dopaminergic berry that modulates pituitary function; flagship herb for equine PPID (Cushing's disease) and hormonal regulation in dogs and horses with strong clinical evidence.

Chickweed

Stellaria media

BGood EvidenceCaryophyllaceae

Cooling, mucilaginous spring green that soothes itchy, inflamed skin and moistens dry coughs. A nutritive, mineral-rich herb safe and beneficial as daily forage for virtually all companion and livestock species.

Cleavers

Galium aparine

BGood EvidenceRubiaceae

Premier lymphatic mover and gentle diuretic that drains congested lymph nodes and supports urinary flow. One of the safest and most reliable alteratives for acute swollen glands across virtually all species.

Comfrey Leaf

Symphytum officinale

BGood EvidenceBoraginaceae

Classic "knitbone" topical wound, bruise, and sprain herb rich in allantoin; used EXTERNALLY ONLY in modern veterinary herbalism due to pyrrolizidine alkaloid hepatotoxicity.

Cordyceps

Cordyceps militaris

BGood EvidenceCordycipitaceae

Adaptogenic mushroom renowned for enhancing stamina, oxygenation, kidney function, and cardiac performance. Cultivated Cordyceps militaris provides equivalent cordycepin and adenosine content without wild-harvest concerns.

Dandelion

Taraxacum officinale

BGood EvidenceAsteraceae

A gentle tonic for liver and kidney support. Root supports the liver; leaf acts as a natural diuretic rich in potassium. Safe for most species and excellent for older pets.

Dandelion Root

Taraxacum officinale

BGood EvidenceAsteraceae

Bitter cholagogue root that stimulates bile flow, supports hepatic detoxification, and aids digestion of fats. Distinct from leaf (diuretic) and flower (mildly hepatic); root is the premier liver and gallbladder tonic.

Devil's Claw

Harpagophytum procumbens

AStrong EvidencePedaliaceae

Southern African root with harpagoside anti-inflammatory action; a leading herbal choice for canine and equine arthritis, hip dysplasia, and chronic musculoskeletal pain.

Echinacea

Echinacea purpurea

BGood EvidenceAsteraceae

Immune-stimulating herb used for short-term immune support during infections. Not for long-term use or autoimmune conditions. Well-studied in veterinary medicine.

Elecampane

Inula helenium

BGood EvidenceAsteraceae

Warming expectorant lung tonic with antimicrobial inulin-rich root; traditionally used in horses (hence "horse-heal") and dogs for chronic wet cough, bronchitis, and post-kennel-cough recovery.

Eleuthero

Eleutherococcus senticosus

BGood EvidenceAraliaceae

Classic Soviet-researched adaptogen used to enhance stamina, stress resilience, and recovery without the stimulating edge of Panax ginseng. Supports working dogs, performance horses, and convalescent animals of all species.

Eyebright

Euphrasia officinalis

CLimited EvidenceOrobanchaceae

Upper respiratory and ocular mucous membrane tonic, traditionally used for allergic conjunctivitis, runny eyes, sneezing, and sinus congestion in dogs, cats, and horses.

Fennel

Foeniculum vulgare

CLimited EvidenceApiaceae

A gentle carminative herb for gas, bloating, and appetite stimulation. Safe for dogs and often accepted readily due to its mild licorice-like flavor.

Fenugreek

Trigonella foenum-graecum

BGood EvidenceFabaceae

Mucilaginous seed with galactagogue, hypoglycemic, and appetite-stimulant effects; supports nursing dams, diabetic pets, and animals recovering from illness or inappetence.

Flaxseed

Linum usitatissimum

BGood EvidenceLinaceae

Omega-3 rich seed (ALA), lignans, and soluble fiber supporting coat quality, skin health, and mild bowel regulation in dogs, cats, horses, and small mammals.

Ginger

Zingiber officinale

BGood EvidenceZingiberaceae

Effective anti-nausea and digestive herb for dogs. Used for motion sickness, appetite stimulation, and mild GI upset. Should be used in small amounts.

Goldenrod

Solidago virgaurea

BGood EvidenceAsteraceae

Anti-inflammatory kidney and urinary tract tonic; an excellent aquaretic for dogs, cats, and horses with chronic cystitis, UTIs, or early-stage kidney insufficiency.

Horsetail

Equisetum arvense

CLimited EvidenceEquisetaceae

Silica-rich ancient plant used for connective tissue support, urinary health, and coat/hoof quality; species selection critical due to toxic relative Equisetum palustre.

Lemon Balm

Melissa officinalis

BGood EvidenceLamiaceae

Gentle, lemon-scented nervine with notable antiviral activity against herpesviruses. Unique among the mints for tolerance across small exotic species including rabbits and birds when used in moderation.

Licorice Root

Glycyrrhiza glabra

BGood EvidenceFabaceae

An anti-inflammatory and adrenal support herb. Short-term use only due to potential for fluid retention and blood pressure elevation. Often used to enhance palatability of herbal blends.

Lion's Mane

Hericium erinaceus

BGood EvidenceHericiaceae

Neurotrophic medicinal mushroom that stimulates nerve growth factor (NGF) and supports cognition, peripheral nerve repair, and gut mucosa. Emerging use in senior cognitive decline and IBD protocols across species.

Maitake

Grifola frondosa

AStrong EvidenceGrifolaceae

Beta-glucan rich medicinal mushroom with strong immunomodulating (D-fraction), hypoglycemic, and antitumor effects; excellent adjunct for diabetic and oncology veterinary patients.

Marshmallow Leaf

Althaea officinalis

BGood EvidenceMalvaceae

Cooling, mucilaginous demulcent that coats and soothes dry respiratory and urinary tissues. Leaf is distinct from root in having stronger upper-respiratory affinity and gentler action for dry, irritated coughs.

Meadowsweet

Filipendula ulmaria

BGood EvidenceRosaceae

Premier gastric mucosa protectant containing natural salicylates that soothe ulceration while astringing tissue. Widely used for equine gastric ulcer syndrome (EGUS); contraindicated in cats due to salicylate sensitivity.

Milk Thistle

Silybum marianum

AStrong EvidenceAsteraceae

The go-to liver support herb for pets. One of the most evidence-backed herbs in veterinary medicine. Used after drug therapy, toxin exposure, or for ongoing liver health.

Mullein

Verbascum thapsus

CLimited EvidenceScrophulariaceae

A gentle respiratory herb used for coughs, bronchial issues, and ear infections (as flower-infused oil). Safe and soothing for the lungs.

Nettle

Urtica dioica

BGood EvidenceUrticaceae

A nutrient-rich herb with natural antihistamine properties. Excellent for allergy support, urinary health, and as a nutritional supplement. Rich in iron, calcium, and vitamins.

Olive Leaf

Olea europaea

BGood EvidenceOleaceae

Broad-spectrum antimicrobial leaf rich in oleuropein, used for immune support, chronic low-grade infection, and mild blood pressure elevation in companion animals (Animal Essentials Super Immune ingredient).

Oregano

Origanum vulgare

BGood EvidenceLamiaceae

Potent antimicrobial and antifungal aromatic leaf; a staple in commercial poultry production for gut health and widely used in canine and equine herbalism for GI and respiratory infections.

Passionflower

Passiflora incarnata

BGood EvidencePassifloraceae

A gentle calming herb, milder than valerian. Good for dogs with mild anxiety, restlessness, or sleep difficulties. Often combined with chamomile for a calming blend.

Peppermint

Mentha piperita

BGood EvidenceLamiaceae

Aromatic carminative cooling the GI tract, relieving gas, spasm, and nausea; essential oil form is UNSAFE for cats, rabbits, and birds despite herb tolerance.

Pumpkin Seed

Cucurbita pepo

BGood EvidenceCucurbitaceae

Cucurbitacin-bearing seed with mild anthelmintic (tapeworm, roundworm) action, urinary and prostate support; nutritive source of zinc and essential fatty acids for all pets.

Raspberry Leaf

Rubus idaeus

BGood EvidenceRosaceae

Classic female reproductive tonic that tones uterine smooth muscle and prepares the dam for easier whelping, kindling, or foaling. Astringent tannins also support GI health and mild diarrhea.

Red Clover

Trifolium pratense

CLimited EvidenceFabaceae

Classic lymphatic and alterative herb rich in isoflavones that supports skin, glands, and gentle detoxification. Mild phytoestrogen activity makes it a key adjunct in chronic skin and lymph nodular conditions.

Rehmannia

Rehmannia glutinosa

BGood EvidenceOrobanchaceae

TCM yin tonic and kidney nourisher; flagship for feline CKD, adrenal support, and autoimmune conditions. Raw form cools blood; prepared form (Shu Di) tonifies kidney yin.

Reishi

Ganoderma lucidum

BGood EvidenceGanodermataceae

Premier immunomodulating and calming adaptogen mushroom supporting heart, liver, and immune function. Dual-extracted product is essential to capture both water-soluble polysaccharides and alcohol-soluble triterpenes.

Rose Hips

Rosa canina

BGood EvidenceRosaceae

Vitamin C and bioflavonoid-rich fruit that supports joint cartilage, immune function, and antioxidant status. Especially critical for guinea pigs and primates who cannot endogenously synthesize vitamin C.

Self Heal

Prunella vulgaris

CLimited EvidenceLamiaceae

Gentle antiviral, anti-inflammatory, and wound-healing mint-family herb used traditionally as "heal-all" for oral sores, minor wounds, herpesvirus flares, and mild lymphatic swelling.

Shiitake

Lentinula edodes

AStrong EvidenceMarasmiaceae

Medicinal mushroom rich in lentinan beta-glucans; powerful immunomodulator with antitumor, antiviral, and hepatoprotective effects used adjunctively in veterinary oncology and immunity.

Slippery Elm

Ulmus rubra

BGood EvidenceUlmaceae

A soothing demulcent that coats and protects the GI tract. One of the safest herbs for all pet species. First-line herbal support for diarrhea, vomiting, and GI inflammation.

Thyme

Thymus vulgaris

BGood EvidenceLamiaceae

Respiratory antiseptic and GI carminative with thymol-rich aromatic leaves; widely used in dogs, horses, and poultry for cough, bronchitis, and digestive gas.

Turkey Tail

Trametes versicolor

AStrong EvidencePolyporaceae

Highly researched medicinal mushroom rich in PSP and PSK polysaccharopeptides. Penn Vet hemangiosarcoma study demonstrated extended survival in canine patients using high-dose polysaccharopeptide extract.

Turmeric

Curcuma longa

BGood EvidenceZingiberaceae

Powerful anti-inflammatory used for joint pain, arthritis, and digestive support in dogs and horses. Requires fat and black pepper (piperine) for absorption. Stains everything yellow.

Valerian

Valeriana officinalis

BGood EvidenceCaprifoliaceae

A well-known calming herb used for anxiety, noise phobia, and restlessness in dogs and horses. May cause paradoxical excitability in some animals. Cats are attracted to it like catnip.