Pet Herb Library

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

Evidence:AllABCT

Showing 68 of 69 herbs

Ashwagandha

Withania somnifera

B — Good EvidenceSolanaceae

Revered Ayurvedic adaptogen rooted in rasayana tradition. Calms excess stress response, supports thyroid and adrenal balance, and restores depleted animals. Grounding rather than stimulating, making it ideal for anxious, wiry constitutions.

Astragalus

Astragalus membranaceus

B — Good EvidenceFabaceae

An adaptogenic immune-modulating herb safe for long-term use. Used for chronic immune support, cancer adjunct therapy, and vitality in aging pets. Unlike echinacea, safe for extended use.

Boswellia

Boswellia serrata

A — Strong 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

B — Good 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.

Burdock Root

Arctium lappa

C — Limited EvidenceAsteraceae

A gentle detoxifying herb excellent for chronic skin conditions in dogs. Supports liver function and blood purification. Safe for long-term use.

Calendula

Calendula officinalis

B — Good 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.

Cat's Claw

Uncaria tomentosa

B — Good EvidenceRubiaceae

Peruvian inner bark vine with immunomodulating, anti-inflammatory, and antiviral properties; used in canine and equine arthritis, Lyme disease support, and chronic immune conditions.

Chaga

Inonotus obliquus

B — Good EvidenceHymenochaetaceae

Birch-dwelling sclerotial fungus rich in betulinic acid and melanin antioxidants; used in veterinary integrative medicine for immune support, oxidative stress, and adjunctive cancer care.

Chamomile

Matricaria chamomilla

B — Good 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

A — Strong 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

B — Good 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

B — Good 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

B — Good 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

B — Good 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.

Corn Silk

Zea mays

B — Good EvidencePoaceae

Gentle demulcent diuretic made from corn stigmas; soothes inflamed urinary tract lining and is safe for dogs, cats, horses, and small mammals with cystitis or bladder irritation.

Dandelion

Taraxacum officinale

B — Good 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

B — Good 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.

Dang Gui

Angelica sinensis

B — Good EvidenceApiaceae

Preeminent TCM blood tonic; nourishes blood, moves stagnation, supports reproductive health. Core ingredient in Si Wu Tang and Xiao Yao San. Strictly avoided in pregnancy.

Devil's Claw

Harpagophytum procumbens

A — Strong 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

B — Good 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

B — Good 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

B — Good 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

C — Limited 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

C — Limited 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

B — Good 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

B — Good 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

B — Good 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

B — Good 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.

Hawthorn

Crataegus monogyna

B — Good EvidenceRosaceae

The premier heart-support herb for aging pets. Used in veterinary cardiology protocols for congestive heart failure, murmurs, and circulation. Works synergistically with conventional heart medications.

Horsetail

Equisetum arvense

C — Limited 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

B — Good 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

B — Good 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

B — Good 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

A — Strong 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

B — Good 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.

Marshmallow Root

Althaea officinalis

B — Good EvidenceMalvaceae

A soothing demulcent similar to slippery elm. Excellent for urinary tract support, GI inflammation, and respiratory irritation. Very safe for all species.

Meadowsweet

Filipendula ulmaria

B — Good 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

A — Strong 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

C — Limited 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

B — Good 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.

Oatstraw

Avena sativa

B — Good EvidencePoaceae

Deeply nourishing trophorestorative nervine that rebuilds exhausted nervous systems while supplying silica, calcium, and B vitamins. Milky-stage oats (fresh tincture) are strongest for anxiety and burnout.

Olive Leaf

Olea europaea

B — Good 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

B — Good 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

B — Good 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

B — Good 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.

Plantain

Plantago major

B — Good EvidencePlantaginaceae

Gentle demulcent and vulnerary herb that draws toxins from bites, stings, and wounds while soothing inflamed mucous membranes. A safe, ubiquitous lawn weed used across all species for skin and gut healing.

Poria

Wolfiporia extensa

B — Good EvidencePolyporaceae

TCM damp-draining fungus "Fu Ling" supporting spleen qi and gentle diuresis; widely used in canine, feline, and equine formulas for edema, digestive weakness, and mild anxiety.

Psyllium

Plantago ovata

A — Strong EvidencePlantaginaceae

Mucilaginous seed husk providing bulk-forming fiber; flagship herb for equine sand colic prevention and bowel regulation in dogs, cats, and small mammals. Always with water.