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FOCUS HF (Hoof) provides specialized nutritional support for horses with poor hoof condition, for

Got a horse with poor hoof condition and need a nutrient builder for hoof strength?

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

4Source.com

"Focus HF"(Hoof) by Source, INC.
Focus HF (Hoof) provides specialized nutritional support for horses with poor hoof condition, for superior hoof growth, texture, and strength.

Focus HF (Hoof) ... Has What's Missing From Any Other Hoof Product!
A sound hoof is the necessary foundation for an active horse and requires a wide range of nutrients for optimum strength and resilience.

Focus HF provides not only key nutrient building blocks such as biotin, methionine, lysine, chelated trace minerals (including zinc and copper), viable yeast culture and lecithin phospholipids . . .
. . . it includes the legendary Source® micronutrients to make it all work!

Hooves are composed of living tissue that require a wide range of nutrients to grow strong, resilient and hard. A deficiency of any of these key nutrients may lead to weak, crumbly hoof walls that grow slowly and won't hold horseshoe nails. Focus HF provides the horse with a unique broad spectrum of micronutrients from Source. These nutrients include at least 60 minerals and trace elements in an organic, highly bioavailable form. In addition, seaweeds contain other natural bio-active compounds and co-factors which may be missing from your horse's diet. These micronutrients are synergistic with all the other ingredients in Focus HF and will help to increase their effectiveness.

Feeding Instructions

Provide good quality hay and grain, with protein and carbohydrate levels appropriate for the age and demands of the horse; a balanced calcium / phosphorus ratio, an effective parasite control program, fresh water at all times, free access to salt, a good dental care program Feed Focus HF everyday, including race and competition days. Mix one level measure (included in the container) ( 1.5 oz.)(42 gr.) of Focus HF with feed per day. Amount based on 1,000 lb. (450 kg) body weight. Adjust accordingly. Do not exceed recommended feeding levels.

Focus HF (Hoof) provides specialized nutritional support for horses with poor hoof condition, for

The Source Guarantee

We want every person to have the opportunity to see for themselves the effectiveness of the Source micronutrients found in all of our products. If you are not satisfied with any of the products for any reason, your money will be refunded in full - no strings attached. (Simply enclose proof of purchase.)

What Makes Our Company Different?

More than two decades ago Source president and founder, Susan Domizi was competing on her eventing horse, Hull, with hopes of being on the US Equestrian Olympic Team. "My horse [Hull] had hoof problems and couldn't maintain his body weight. He received the finest feeding program and veterinary care available. I suspected a nutrient deficiency and set out to find something to help him." She found a great deal of Norwegian and Japanese research on seaweeds that scientists and agriculturists here had been able to duplicate. In addition to using information learned while earning a degree from Columbia University in New York, she studied all available data to determine what the American studies had missed. She used this information as a starting point for developing other approaches..

By trying different kinds of seaweeds, different blends, different methods of processing and constantly analyzing the findings she came up with a finely ground, dry mixture that she put in her horse's food. Her horse began to thrive.

And that was the first serving of the product that was later to become Source

Focus HF Sounds Great! How Do I Order?

Focus HF is available for your horse in a convenient 3.5 lb. size, which will last one horse for 37 days. It is also available in an economical bulk easy-open 25 lb. size (lasts one horse for 8 months) Source products are widely available at your local feed and tack stores, through online catalogs or web stores, or directly from Source-- just visit our Shop area at 4Source.com for a complete listing.

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The Solution Section (FAQ)

What is FOCUS HF and what does it do for a horse's hooves?

FOCUS HF (Hoof) is a nutritional supplement from 4Source.com that provides specialized support for horses with poor hoof condition, targeting superior hoof growth, texture, and strength. A sound hoof is the foundation for an active horse and needs a wide range of nutrients to grow strong, resilient, and hard.

What ingredients are in FOCUS HF?

FOCUS HF delivers key building blocks including biotin, methionine, lysine, chelated trace minerals (such as zinc and copper), viable yeast culture, and lecithin phospholipids. It also includes the SOURCE® micronutrients, which add at least 60 minerals and trace elements in an organic, highly bioavailable form from seaweed.

Why do weak, crumbly hooves happen, and how does FOCUS HF address it?

Hooves are living tissue, and a deficiency in key nutrients can lead to weak, crumbly hoof walls that grow slowly and won't hold horseshoe nails. FOCUS HF provides a broad spectrum of micronutrients, including bio-active compounds from seaweed that may be missing from a horse's diet, working synergistically to support strong, resilient hoof growth.

How much FOCUS HF do I feed my horse?

Mix one level measure (included in the container), which is 1.5 oz (42 gr), with feed per day. The amount is based on a 1,000 lb (450 kg) body weight, so adjust accordingly, and do not exceed recommended feeding levels. Feed FOCUS HF every day, including race and competition days.

What sizes does FOCUS HF come in and how long does each last?

FOCUS HF is available in a convenient 3.5 lb size, which lasts one horse for 37 days. It also comes in an economical, easy-open 25 lb bulk size that lasts one horse for 8 months.

Is there a guarantee if FOCUS HF doesn't work for my horse?

Yes. SOURCE® backs its products with The Source Guarantee: if you are not satisfied with any product for any reason, your money will be refunded in full with no strings attached. Simply enclose proof of purchase.

What makes SOURCE different from other supplement companies?

More than two decades ago, SOURCE® president and founder Susan Domizi developed the product after her eventing horse, Hull, struggled with hoof problems and maintaining body weight despite the finest feeding and veterinary care. She studied Norwegian and Japanese seaweed research and refined a finely ground dry mixture that became SOURCE®, which her horse began to thrive on.

How can I order FOCUS HF or ask 4Source.com a question?

SOURCE® products are widely available at local feed and tack stores, through online catalogs, or directly from the company. To order or get help choosing the right product for your horse, call 4Source.com at 800-232-2365 or email info@4source.com.