Unmolassed vs Molassed Sugar Beet: Which to Choose

Unmolassed vs Molassed Sugar Beet: Which Should You Choose?

Sugar beet is one of the most versatile and widely used feeds in equine nutrition. It's a superb source of highly digestible fibre, it soaks into a palatable mash, and it can help horses that struggle to maintain condition. But walk into any feed store and you'll face a choice: unmolassed sugar beet or molassed sugar beet?

The difference between the two matters more than many horse owners realise — especially if you're managing a laminitis-prone pony, a horse with metabolic issues, or simply trying to keep sugar intake in check. In this article, we'll break down exactly what sets these two products apart, who each one suits best, and how to feed them safely.

What Is Sugar Beet?

Sugar beet (Beta vulgaris) is a root vegetable grown primarily for sugar production. After the sucrose is extracted at the factory, the leftover pulp — the fibrous part of the beet — is dried and sold as animal feed. This by-product is what we know as sugar beet pulp.

Sugar beet pulp is prized in horse feeds because it's an excellent source of digestible fibre. Unlike hay or straw, where much of the fibre is structural cellulose, sugar beet fibre contains a high proportion of pectin — a soluble fibre that's rapidly fermented in the hindgut. This makes it an efficient and gentle energy source.

Sugar beet is available in several forms:

• Shreds — longer, flaked pieces
• Pellets/nuts — compressed into small, dense pellets
• Micronised or quick-soak — processed for faster preparation

Each of these can come in either molassed or unmolassed versions.

What's the Difference Between Molassed and Unmolassed?

The distinction is straightforward but significant.

Molassed Sugar Beet

After the sugar is extracted from the beet, some of the molasses (the thick, dark syrup that's a by-product of sugar refining) is added back onto the dried pulp. This is done to improve palatability and to bind the product together, particularly in pelleted form.

Molassed sugar beet typically contains 15–25% sugar on a dry matter basis, though this varies between brands. Some products are lightly molassed with around 12–15% sugar, while others sit closer to 20–25%.

Unmolassed Sugar Beet

Unmolassed sugar beet is the dried pulp without any molasses added back. It still contains some residual sugar — extraction at the factory is never 100% complete — but levels are dramatically lower, typically around 5–8% sugar on a dry matter basis.

The result is a product that's lower in sugar and energy, slightly less palatable (though most horses still eat it willingly), and often lighter in colour.

Nutritional Comparison at a Glance

Here's a typical nutritional breakdown comparing the two (values are approximate and will vary between brands):

A few key takeaways:

• Sugar content is the headline difference. Molassed sugar beet can contain three to four times more sugar than unmolassed.
• Energy levels are higher in molassed due to the added sugars.
• Protein and mineral content are broadly similar.
• Starch remains very low in both — this is one of sugar beet's greatest strengths as a feed.

When to Choose Unmolassed Sugar Beet

Unmolassed sugar beet is the safer default choice for the majority of horses and ponies. Here's when it's especially important:

Horses and Ponies Prone to Laminitis

If your horse or pony has a history of laminitis, or is at risk due to obesity or breed predisposition, unmolassed sugar beet is the clear winner. Keeping dietary sugar (and starch) as low as possible is a cornerstone of laminitis prevention, and swapping molassed for unmolassed can make a meaningful difference to total daily sugar intake.

Horses with Equine Metabolic Syndrome (EMS) or PPID (Cushing's)

Horses diagnosed with EMS or PPID often have impaired insulin regulation. For these horses, every percentage point of dietary sugar matters. Unmolassed sugar beet, combined with soaked hay and a low-sugar feed, helps keep the overall diet within safe parameters.

Overweight Horses

If your horse needs to lose weight or maintain a lean body condition, unmolassed sugar beet provides useful fibre without the extra calories from added molasses.

Horses on a Low-Sugar Diet for Any Reason

Some horses with conditions like polysaccharide storage myopathy (PSSM) or those prone to excitable behaviour on high-sugar diets benefit from an unmolassed option.

As a General Hay Replacer or Fibre Supplement

Unmolassed sugar beet is an excellent partial hay replacer for older horses with dental issues, or as additional fibre for horses that need more forage in their diet. Its low sugar content makes it suitable for almost any horse.

When Molassed Sugar Beet Might Be Appropriate

Molassed sugar beet isn't inherently "bad" — it has legitimate uses in certain situations:

Hard-Working Performance Horses

Horses in heavy work with high energy demands and no metabolic issues can handle the extra sugar. For these horses, the additional calories in molassed sugar beet can be a useful energy source that's still far safer than high-starch cereal grains.

Underweight Horses Needing to Gain Condition

A horse recovering from illness, a hard keeper, or a rescue horse in poor body condition may benefit from the extra calories in molassed sugar beet. The added energy can support weight gain without resorting to large cereal meals.

Very Fussy Eaters

Some horses are reluctant to eat unmolassed sugar beet. In these cases, a lightly molassed product can improve acceptance, particularly when the sugar beet is being used as a carrier for supplements or medication.

Important Caveat

Even in these scenarios, always check the sugar content on the label. Some "molassed" products are very heavily coated, while others are only lightly dressed. The variation between brands is significant, so reading the guaranteed analysis is essential.

How to Feed Sugar Beet Safely

Regardless of which type you choose, proper preparation is non-negotiable.

Always Soak Before Feeding

Dry sugar beet — whether shreds or pellets — expands dramatically when it absorbs water. If fed dry, it can swell in the stomach and cause a dangerous impaction or choke.

• Pellets/nuts: Soak for a minimum of 12–24 hours in cold water, or at least 4–6 hours in warm water.
• Shreds: Soak for a minimum of 10–15 minutes in warm water, or 30 minutes in cold water.
• Quick-soak/micronised products: Follow the manufacturer's instructions — these are designed to be ready in as little as 5–10 minutes with hot water.

Always add plenty of water. A good rule of thumb is to cover the sugar beet with at least twice its volume in water. If there's excess water after soaking, that's perfectly fine — you can drain it off or leave it as a soupy mash, which adds hydration.

Don't Let Soaked Beet Spoil

In warm weather, soaked sugar beet can ferment within 24 hours. Prepare it fresh each day, or store soaked beet in a cool place and use it promptly. If it smells sour or alcoholic, discard it.

Feed Appropriate Quantities

Sugar beet is a supplement to the diet, not a replacement for forage (unless specifically recommended for a dental case). A typical feeding rate is 200g–500g dry weight per day for a 500kg horse, though this varies depending on the horse's overall diet and needs.

Before adding sugar beet or making any significant changes to your horse's ration, it's worth analysing your horse's diet to make sure the overall balance of energy, protein, vitamins, and minerals is correct.

Common Myths About Sugar Beet

"Sugar beet is dangerously high in sugar"

This is only partially true, and only for molassed products. Unmolassed sugar beet is actually low in sugar — comparable to or lower than many hays. The name "sugar beet" is misleading because the sugar has already been extracted.

"You can't feed sugar beet to laminitics"

You absolutely can — as long as it's unmolassed. Unmolassed sugar beet at 5–8% sugar is well within the recommended guidelines (combined sugar and starch below 10% of total diet dry matter) for laminitis-prone horses. Many veterinary nutritionists actively recommend it.

"Sugar beet causes colic"

Sugar beet only poses a colic risk if fed dry and unsoaked. Properly soaked sugar beet is actually beneficial for gut health due to its high pectin content, which supports a healthy hindgut microbiome.

"Molassed sugar beet is the same as a sugar lump"

While molassed sugar beet does contain meaningful amounts of sugar, it's nothing like feeding pure sugar. It's still predominantly fibre, and even the molassed version provides slow-release energy compared to cereal grains.

How to Read the Label

When buying sugar beet, look for:

• Sugar content (%): This is the single most important figure. Below 10% indicates unmolassed; above 15% usually indicates molassed.
• "Unmolassed" or "molasses-free" on the label: Confirm this against the guaranteed analysis.
• "Lightly molassed": Be cautious — this is a marketing term. Check the actual sugar percentage.
• Form: Pellets, shreds, or quick-soak. Choose based on your practical needs and time constraints.

Making Your Decision: A Quick Summary

The Bottom Line

For most horse owners, unmolassed sugar beet is the smarter, safer choice. It delivers all the benefits of sugar beet — excellent digestible fibre, great palatability, useful hydration — without the unnecessary added sugar. Unless your horse genuinely needs the extra energy and has no metabolic risk factors, there's little reason to choose the molassed version.

Whichever you choose, soak it thoroughly, feed it in sensible quantities, and consider how it fits into your horse's total diet. Sugar beet is a fantastic feed ingredient — you just need to pick the right one.