Product evaluated: SmartEquine Smart & Simple 99% Fat | Horse Weight Gain Supplement Supports Ideal Body Condition in Horses | Easy to Use & Tasty High Fat Supplement Powder | 112 Servings | 14 lb Bag
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Data basis: I analyzed dozens of written customer reviews and several video demonstrations collected between 2023 and 2025. Source mix shows most feedback came from written reviews, supported by video demos and a few seller Q&A entries.
| Outcome | SmartEquine 99% Fat | Typical mid-range alternative |
|---|---|---|
| Weight response | Mixed results: commonly reported gradual gains for some horses, inconsistent for others. | More consistent: many mid-range options show steadier gains when mixed into feeds. |
| Palatability | High risk: refusal or picky acceptance appears repeatedly and is a primary issue. | Lower risk: typical products include flavoring to improve acceptance. |
| Handling & mess | Dusty powder: powder form increases cleanup and spills during daily use. | Easier handling: many alternatives are pelleted or oil-based, reducing mess. |
| Cost per serving | Competitive: listed price shows decent per-ounce value for concentrated calories. | Similar range: mid-range feeds often cost more per usable calorie after mixing. |
| Regret trigger | Feed refusal: higher-than-normal chance this leads to wasted product and extra work. | Lower regret: flavored mixes usually avoid outright rejection. |
Top failures

Will my horse actually eat this?
Regret moment: The most common complaint is horses refusing the powder when it is added to feed. Severity is high for owners who must hand-feed or mask flavors daily.
Pattern: This is a primary issue that appears repeatedly in feedback. When it appears: first week of use and during cold-weather hay-only rations. Why worse: Compared to mid-range supplements, this product has less flavoring, which makes refusal more disruptive than typical alternatives.
Is feeding this powder messy and slow?
- Early sign: Powder spills during scooping and transfer into buckets.
- Frequency tier: This is a secondary issue seen commonly during daily handling.
- Cause: Fine powder consistency increases airborne dust and residue on surfaces.
- Impact: Cleanup adds extra time to routines and can waste servings.
- Attempted fixes: Buyers report mixing with wet feed or using sealed scoops to reduce dust.
Will it reliably produce ideal weight?
- Pattern statement: Results are mixed and less consistent than many buyers expect.
- Usage anchor: Differences show after several weeks of daily feeding and with varied baseline diets.
- Category contrast: This is more variable than oil-based or flavored concentrates that often show steadier gains.
- Cause: Palatability and how owners mix the powder affect calorie intake.
- Impact: Some owners report wasted cost and extended feeding time to force intake.
- Fixability: Often requires extra masking feed or alternate supplements to hit targets.
- Hidden requirement: Expect to monitor weight closely and adjust daily rations.
Do I need extra steps or add-ins to make this work?
- Label gap: Many buyers discover a hidden need to mix with oil or sweet feed for acceptance.
- When: This shows up during first-use trials and when switching from pellets.
- Cause: Single-ingredient powder lacks masking agents common in other products.
- Impact: Buyers add time, cost, and calories to make the product palatable.
- Attempts: Common approaches include wetting the powder or using molasses, which changes feeding plans.
- Category contrast: More effort than most mid-range solutions that are ready-to-serve.
- Fixability: Workable but requires planning and extra supplies.
- Long-term: Ongoing mixing or masking is often needed for picky eaters.
Illustrative excerpts (not real quotes)
"Horse sniffed feed and walked away within minutes." — primary pattern
"Scooped, spilled, and dust everywhere in the tack room." — secondary pattern
"Gave for weeks, saw no real change in condition." — secondary pattern
"Had to mix with molasses to hide taste every day." — edge-case pattern
Who should avoid this

- Picky eaters: Avoid if your horse refuses new flavors easily, since refusal is a primary issue.
- Low-tolerance handlers: Avoid if you dislike daily cleanup or dusty feed handling.
- Time-constrained: Avoid if you cannot add masking steps or closely monitor weight changes.
Who this is actually good for

- Owners wanting concentrated calories: Good if you accept extra mixing to deliver calories without added fillers.
- Budget-conscious users: Good if per-ounce calorie cost matters and you can manage acceptance steps.
- Simpler ingredient preference: Good for those who prefer single-ingredient supplements and can tolerate extra work.
Expectation vs reality

Expectation: Buyers reasonably expect a concentrated powder to be easy to add and accepted by most horses. Reality: Acceptance is often lower and requires masking or mixing, which increases effort.
Expectation: Mid-range supplements typically reduce mess with pelleted or oil formats. Reality: This powder is dustier and creates more cleanup than many alternatives.
Safer alternatives

- Choose flavored options to neutralize palatability risk and reduce feed refusal.
- Pick oil-based calories to avoid dust and simplify daily handling.
- Buy smaller trial sizes to test acceptance before committing to a large bag.
- Combine with masking feeds only if you plan and budget for extra calories and time.
The bottom line
Main regret: Higher-than-normal chance of feed refusal and messy handling are the core buyer risks. Why worse: These issues produce wasted product and added daily work more often than similar mid-range choices. Verdict: Avoid if you need a low-effort, immediately accepted weight supplement.
This review is an independent editorial analysis based on reported user experiences and product specifications. NegReview.com does not sell products.

