Pet Herb Library

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

Evidence:AllABCT

Showing 24 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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Pumpkin Seed

Cucurbita pepo

B — Good 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

B — Good 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.

Reishi

Ganoderma lucidum

B — Good 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

B — Good 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.

Schisandra

Schisandra chinensis

B — Good 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

C — Limited 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

A — Strong EvidenceMarasmiaceae

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

Uva Ursi

Arctostaphylos uva-ursi

B — Good 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.