Molly's Herbals

Natural, herbal care your horse can feel

Want herbal natural wormers for horses and dogs instead of harsh chemical dewormers?

Reviewed by Ann Pruitt, InfoHorse.com · Updated May 2026

Bundles of fresh-cut lavender beside a woven basket on a weathered wood table

For horse owners who would rather work with their animal's body than against it, Molly's Herbals offers a complete line of all-natural, herbal care built on a simple idea: support the whole horse, gently and consistently, and let real wellness follow. Founder Molly Nolte has spent more than twenty years refining original herbal formulas, and in that time horse owners have leaned on them as a thoughtful, plant-based way to care for the animals they love.

Molly's Herbals slippery elm bark powder pouch on a sunlit wood surface beside fresh flowers

Every blend is crafted in small batches in the USA from premium, human-grade botanicals. Many of the formulas carry organic certification, and the philosophy behind them is holistic rather than quick-fix: instead of simply masking a symptom, the goal is to strengthen the horse's own defenses over time so that vitality, a glossy coat and steady comfort become the baseline, not the exception.

How does an herbal worming program actually work?

The heart of the Molly's Herbals line is a proprietary two-part herbal worming system. Formula #1 is a wormwood-based blend of wormwood, garlic, fennel and black walnut hulls, fed for three days in a row every six to eight weeks. Formula #2 is a gentle weekly maintenance blend used on the off-weeks to keep support going year-round. The two work together to encourage natural parasite balance while building the horse's resistance over time. Many owners use both formulas, while those who prefer to skip black walnut can rely on Formula #2 on its own. The powders mix easily into grain, roll into dosage balls or go in by syringe, and Molly's signature Slippery Elm Bark Powder makes a maple-sweet binder that turns bitter herbs into something most horses happily take.

Dew-covered silvery wormwood leaves, the signature botanical in the Molly's Herbals worming formulas

What else can Molly's Herbals do for your horse?

Beyond worming, the collection reaches across the everyday needs of a working barn. Herbal blends include Arthritis & Joint Support for mobility, Breathe EZ-Tea for respiratory wellness, plus Mo'Milk and a Pregnancy Tonic for broodmares. Handcrafted tinctures such as Ow-Eze for comfort, the Immune Support Tincture and EZP round out the apothecary, while salves like Aches N' Painz and Molly's Marvelous Salve bring soothing, comfrey-rich relief to tired muscles and minor scrapes. When fly season hits, the Shoo-Fly essential-oil spray mix gives horses natural relief from biting insects. Each product is made the same careful way, so the whole line works as one toolkit for natural, hands-on horse keeping.

Finely ground slippery elm bark powder mounded in a hand-painted ceramic bowl on a bamboo mat

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The Solution Section (FAQ)

Are Molly's Herbals products safe to use with horses?

Yes. The formulas are designed to work in sync with a horse's body, and in over twenty years of use Molly's Herbals reports no negative feedback from horse owners. Many owners use both worming formulas, while those who prefer to avoid black walnut can use Formula #2 on its own.

What is the two-part herbal worming system?

Formula #1 is a wormwood-based blend fed three days in a row every six to eight weeks for active parasite support. Formula #2 is a gentle weekly maintenance blend used on the off-weeks. Together they support natural parasite balance year-round while helping the horse build its own resistance.

What is in Formula #1?

Formula #1 combines four botanicals: wormwood, garlic, fennel and black walnut hulls. It is crafted with natural botanicals in the USA and carries organic certification from multiple bodies, including NOFA-NY, CCOF and Canada's COR.

How do you give the herbal wormer to a horse?

The powdered formulas mix easily into grain, can be rolled into dosage balls or given by syringe. A typical horse dose for Formula #1 is two tablespoons. Slippery Elm Bark Powder works as a binder and a maple-sweet flavor aid that makes the herbs more palatable.

Do parasites build resistance to herbal worming the way they do to chemical wormers?

According to Molly's Herbals, there is no evidence that parasites develop resistance to the herbal approach the way they do to conventional chemical dewormers. The formulas also leave out laxative herbs, avoiding unnecessary digestive stress and dependency.

Are the products natural and made in the USA?

Yes. Everything is all-natural and made in small batches in the USA from premium, human-grade ingredients. Many of the blends are certified organic, reflecting Molly's holistic philosophy of supporting the whole animal.

Besides worming, what other products are available for horses?

The line includes herbal blends such as Arthritis & Joint Support and Breathe EZ-Tea, broodmare support like Pregnancy Tonic and Mo'Milk, handcrafted tinctures including Ow-Eze and an Immune Support Tincture, soothing salves such as Aches N' Painz and Molly's Marvelous Salve, and the Shoo-Fly essential-oil spray mix for natural fly relief.

What makes the Shoo-Fly spray mix different?

Shoo-Fly is a concentrated blend of eight essential oils, including citronella, cedarwood, eucalyptus, geranium, lavender, lemongrass, peppermint and tea tree. It is diluted with water or apple cider vinegar before spraying to help repel flying and biting insects. It is for external use only and is not suitable for cats.