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Eclipse' PM™ By Med-Vet Pharmaceuticals (MVP) — Health (Pelleted B-vitamin, antioxidant and herbal support for a horse's neurological…)

Eclipse' PM™ By Med-Vet Pharmaceuticals (MVP)

Pelleted B-vitamin, antioxidant and herbal support for a horse's neurological health and natural immune response.

Got a horse on EPM treatment who needs targeted nutritional recovery support?

Reviewed by Ann Pruitt, InfoHorse.com · Updated June 2026
Western rider barrel racing aboard a galloping chestnut horse in a dirt arena before a crowd
Western rider barrel racing aboard a galloping chestnut horse in a dirt arena before a crowd

For horses recovering from a neurological challenge, owners want every advantage during treatment and the weeks that follow. Eclipse' PM™, made by Med-Vet Pharmaceuticals (MVP), is a pelleted equine supplement built around that exact window — a daily, palatable feed-through formula that pairs high levels of B vitamins with antioxidants and supportive herbs.

Chestnut horse eating from a white MVP Eclipse' PM pellet bucket while a person scoops the supplement
Chestnut horse eating from a white MVP Eclipse' PM pellet bucket while a person scoops the supplement

What Is Eclipse' PM?

Eclipse' P M is a pelleted supplement for horses that, per MVP, “provides several key antioxidants and ingredients to help stimulate a natural immune response.” Its formula combines magnesium, lysine, choline, turmeric (root powder and 95% curcuminoids extract), cinchona bark, grape seed extract, vitamin C, natural vitamin E, zinc, copper and selenium, a full B-vitamin complex, plus probiotics and active dry yeast — with BioPerine® black pepper extract included to support uptake. It is intended for use in equine diets only.

Eclipse PM resealable supplement bag with feeding directions
Eclipse PM resealable supplement bag with feeding directions

What Does It Support?

MVP states that the “high level of B vitamins help support normal neurological (brain/nerve) function,” while the antioxidant blend “helps support cellular health by reducing oxidative stress helping to protect body cells and tissue.” The company positions the product to be “used in conjunction with FDA approved EPM drug treatments” during treatment and up to 120 days afterward, and notes it can also be fed as needed for ongoing neurological and immune support in any horse — not only those treated for EPM. As with any supplement tied to a medical condition, MVP advises working alongside your veterinarian's treatment plan.

How Do I Feed It & Where to Buy?

The directions are straightforward: feed 1 scoop (approximately 42.5 g) twice daily for the first 60 days, then step down to a maintenance level of 1 scoop daily for the next 120 days, and continue feeding ongoing as desired to support a healthy immune and neurological system. The enclosed measure is sized for the dose, so there's no guesswork at the feed room. Eclipse' PM is sold in 6 lb, 12 lb and 18 lb sizes — the larger bags lower the per-day cost — directly from Med-Vet Pharmaceuticals at medvetpharm.com, with free shipping advertised on its product page.

Eclipse PM 18 lb bucket of pelleted equine neurological and immune supplement
Eclipse PM 18 lb bucket of pelleted equine neurological and immune supplement

Why Owners Reach For It

What sets Eclipse' P M apart is its single-minded focus: rather than a broad do-everything joint-and-coat blend, it concentrates on the neurological-and-immune support a horse needs most during and after a tough stretch. Backed by MVP's long-running equine line and a clear, vet-aligned feeding protocol, it gives owners a simple daily step they can take in partnership with their veterinarian.

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The Solution Section (FAQ)
What is Eclipse' PM made of?
It is a pelleted equine formula combining magnesium, lysine, choline, turmeric root powder and turmeric extract (95% curcuminoids), cinchona bark, grape seed extract, vitamin C, natural vitamin E, zinc, copper and selenium, a full B-vitamin complex, BioPerine® black pepper extract, probiotics and active dry yeast.
What does Eclipse' PM support?
Per MVP, its high level of B vitamins helps support normal neurological (brain/nerve) function, while its antioxidants help stimulate a natural immune response and help support cellular health by reducing oxidative stress.
Is Eclipse' PM only for horses with EPM?
No. MVP recommends it in conjunction with FDA-approved EPM drug treatments during treatment and up to 120 days afterward, but states it can also be fed as needed for neurological and immune support in any horse.
How much Eclipse' PM do I feed?
Feed 1 scoop (about 42.5 g) twice daily for the first 60 days, then 1 scoop daily for the next 120 days as a maintenance level, and continue feeding ongoing to help support a healthy immune and neurological system.
What sizes does Eclipse' PM come in?
It is available in 6 lb, 12 lb and 18 lb pellet sizes, with the larger bags offering a lower per-day cost.
Where can I buy Eclipse' PM?
It is sold directly by Med-Vet Pharmaceuticals at medvetpharm.com, where free shipping is advertised on the product page.
Should I talk to my veterinarian before using it?
Yes. MVP positions Eclipse' PM to be used alongside FDA-approved EPM drug treatments, so it is best fed as part of your veterinarian's treatment and recovery plan.

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Ann Pruitt
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