Pet Herb Library

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

Evidence:AllABCT

Showing 22 of 69 herbs

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.

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.

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.

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.

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.

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.

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.

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.

Red Clover

Trifolium pratense

C — Limited 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.

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.

Yarrow

Achillea millefolium

B — Good 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.

Yellow Dock

Rumex crispus

C — Limited EvidencePolygonaceae

Gentle laxative and liver alterative rich in iron and anthraquinones; supports anemia, sluggish bowels, and skin conditions. Oxalate content limits use in some species.

Yucca Root

Yucca schidigera

B — Good 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.