Pet Herb Library

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

Evidence:AllABCT

Showing 43 of 69 herbs

Ashwagandha

Withania somnifera

BGood 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

BGood 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

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.

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.

Cat's Claw

Uncaria tomentosa

BGood 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

BGood 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

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.

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.

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.

Dang Gui

Angelica sinensis

BGood 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

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.

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.

Hawthorn

Crataegus monogyna

BGood 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

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.

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.

Marshmallow Root

Althaea officinalis

BGood 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

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.

Oatstraw

Avena sativa

BGood 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

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.

Plantain

Plantago major

BGood 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

BGood 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.

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.

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.

Schisandra

Schisandra chinensis

BGood EvidenceSchisandraceae

Hepatoprotective adaptogen berry with five flavors, used in veterinary herbalism for liver support, stress resilience, and cognitive function in aging companion animals and performance horses.

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.

Skullcap

Scutellaria lateriflora

CLimited EvidenceLamiaceae

A nervine herb for anxiety and nervous tension. Calmer acting than valerian with less risk of paradoxical excitability. Good for dogs with chronic stress or nervousness.

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.

Uva Ursi

Arctostaphylos uva-ursi

BGood EvidenceEricaceae

Arbutin-rich urinary antiseptic effective against UTIs when urine is alkaline; short-term use only due to hydroquinone liver toxicity. Species-specific cautions apply.

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.

Witch Hazel

Hamamelis virginiana

BGood EvidenceHamamelidaceae

Astringent topical bark and leaf used as a hydrosol/distillate for insect bites, hot spots, minor cuts, inflamed ears, and anal gland irritation in companion animals and horses.

Yarrow

Achillea millefolium

BGood EvidenceAsteraceae

Ancient hemostatic and febrifuge with strong antimicrobial activity. Stops bleeding topically, modulates fevers, and supports urinary and digestive tone. Species-sensitive due to essential oil and mild alkaloid content.

Yucca Root

Yucca schidigera

BGood EvidenceAsparagaceae

Saponin-rich desert root with cortisone-like anti-inflammatory action, joint support, and a famous ability to reduce manure and litter-box ammonia odor in dogs, cats, and livestock.