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Farnam Weight Builder

Regularly: $46.73
Today's savings: 23%

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7.5 lb


In Stock. Usually Ships within 24 hours.

22.5 lb


Temporarily Oversold. Backorder Now! Estimated In Stock by 10/31/2019.

Shipping weight = 8.76 lbs.



Product Summary:

Farnam® Weight Builder™

Farnam® Weight Builder™ is a high-calorie supplement rich in Omega-3 fatty acids and contains over twice the calories found in an equal amount of grain, but with none of the dangers. This powerful supplement helps support skin and coat conditioning while also providing fuel necessary for top-level performance.


  • Unique formula provides extra calories in the form of fat for maintaining body condition
  • Provides fuel for top-level performance
  • Now contains 50% fat
  • Rich in Omega-3 fatty acids from flaxseed meal and heat stabilized rice bran
  • Has added calcium to help maintain calcium:phosphorous ratio
  • Also enhances skin and coat condition
  • No sugar added
  • Easily digested
  • Helps horse reach ideal weight
Item Specifications:

Guaranteed Analysis per 4 oz. Serving:
Crude Protein (min.): 11.0%
Crude Fat (min.): 50%
Omega 3 Fatty Acids (min.): 4.0%
Crude Fiber (max.): 11.0%
Acid Detergent Fiber (max.): 20.0%
>Neutral Detergent Fiber (max.): 40.0%
Calcium (min.): 1.1%
Calcium (max.): 1.6%
Phosphorus (min.): 0.48%

Partially Hydrogenated Vegetable Fat, Maize Distillers Dried Grains with Solubles, Flaxseed Meal, Heat Stabilized Rice Bran, Calcium Carbonate, Silicon Dioxide, Corn Starch, Vegetable Oil, Wheat Bran, Verxite Granules,Ground Corn Cobs, Ammonium Hydroxide, Natural and Artificial Flavors, Citric Acid, Acetic Acid, Tartaric Acid; Propionic Acid, Mixed Tocopherols, Butylated Hydroxytoluene (BHT), Butylated Hydroxyanisole (BHA), Benzoic Acid, Sorbic Acid (preservatives).

Directions for Use:
Enclosed scoop holds 110g (approximately 4 oz.)
For added calories or weight maintenance, feed 1 scoop daily with regular grain ration.
For skin & coat, feed ½ scoop (55g or approximately 2 oz.) daily with regular grain ration.
Depending on a horse’s activity level and condition, up to 2 scoops (220g or approximately 8 oz.) may be fed daily with no adverse effects. Divide equally into two feedings.

For additional product information, please see clickable links listed under Downloadable Resources to the right.

Downloadable Resources
Product Label for 7.5 lbManufacturer Information
Product Label for 22.5 lbManufacturer Information
MSDS SheetManufacturer Information
Style Item Number Model Number UPC
8lb SLT120837 008 13701 086621137011
28lb SLT120837 028 13703 086621137035
7.5 lb SLT120837 075 100536873 086621002791
22.5 lb SLT120837 225 100536875 086621002814

Product Reviews by Customers

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Browse 12 questions Browse 12 questions and 48 answers
Why did you choose this? Store
Seems to be working well for my 15-year-old Plus American Saddle Bred Mare.
Marzetta R on Mar 21, 2018
Currently used by my cousin for both our horses.
Brenda M on Jul 13, 2017
Seems to be working well for my 15-year-old Plus American Saddle Bred Mare.
Marzetta R on Mar 21, 2018
This along with the Focus weight has kept my 34 year old at a great weight for his age.
FELICIA B on Jan 23, 2018
Currently used by my cousin for both our horses.
Brenda M on Jul 13, 2017
Product has worked well in past
ADELE L B on May 26, 2017
Old horses needed to gain weight. I didn't notice much difference.<br />They were 36 and 34, and the older one passed away in Dec. 2015, it may <br />just have been his time.
MARILOU M on Jun 7, 2016
Its true this item is gain weight for horse feed them with horse grain you will see in 2 weeks.
Carlos C on Oct 16, 2015
Seems to help my horses gain a little weight or at least keep some on.
L O on Sep 15, 2015
works good
daniel c on Jul 10, 2015
To add weight on one of my horses.
JANICE A on Dec 11, 2014
I have used this product before with great results. I am using again for my 30yo QH mare. I am very confident with all Farnam products.
TRUDY D on May 27, 2014
excellent to help build up my horses. show season ready
DIANA H on May 18, 2014
great product
R C on Apr 30, 2014
Need to put weight on my older mare and the reviews were excellent.
Mitzi C on Apr 22, 2014
I give this to my senior horse every day to help maintain his weight. He is now 32 and still doing well
JOYCE D on Apr 13, 2014
I have an older horse who is a hard keeper and this helps him keep the weight on and makes his coat really shiney during the summer.
AMY G on Mar 8, 2014
This along with the Focus weight has kept my 34 year old at a great weight for his age.
FELICIA B on Jan 23, 2018
Product has worked well in past
ADELE L B on May 26, 2017
will this product help my horses top line to fill out?
A shopper on May 5, 2019
BEST ANSWER: It will help keep weight on but it seems proper and routine exercise is critical to good top line muscle. Good saddle fit is also imperative!!
Can i give this to 20 yr old gelding who needs to gain wt but has been foundered.?
Rebecca T on Mar 29, 2019
BEST ANSWER: It helped my horse gain weight however mine was not founded... I would contact your veterinarian for a more accurate answer. Good luck!
Is this product in pellet form ?
Sarah S on Sep 7, 2018
BEST ANSWER: No,it is in a flaky powder form. I mix it with his grain and add a bit of water. He eats it right up.
Is this safe to use for a mare in foal?
A shopper on Jul 31, 2017
BEST ANSWER: Personally I would check with my veterinarian. I have only used this for my older horses that have a hard time keeping their weight up. It's very palatable.
Does this product make a younger QH Hot and spooky?
JAMIE S on Mar 4, 2017
BEST ANSWER: We gave this to our 13 yr old QH/ Friesan cross. We had her on a pretty heavy dose. We did not see a change in her temperament, but if anything she was more calm because she was feeling better, not being so skinny and underweight. She is a older horse, but I wouldn't hesitate in putting my younger horses on it.
Is it safe for a filly?
shawna h on Oct 25, 2016
BEST ANSWER: I have been using this product in my grain rations since Sept.2000. I use it on weanlings through my aged senior horse. It is cool calories so it does not winded them up while I am trying to supply the necessary calories for growth, work or survival (high needs of the aged). It has been very palatable, easy to digest and utilize for my horse program.
Weight builder safe for mare with foal?
Julie N on Aug 21, 2016
BEST ANSWER: The product label shows this is safe for all classes of horses. We do always have to recommend that you check with your mare's veterinarian as well.
Here is a link to the product label:
What is the dosage for a 25 in. mini horse who needs weight?
Hayley H on Jun 29, 2015
BEST ANSWER: Please view the link to the feeding instructions.
can you use this for dogs?
A shopper on Feb 21, 2015
BEST ANSWER: I am not sure. The container does not mention canines. Additionally i think it is pretty sweet and may not have the right protein structure to help a dog gain weight. Works well on horses though.
Fat content of this product?
A shopper on May 29, 2014
BEST ANSWER: Listed as 40%. Easy to feed and doesn't cause colic issues the way grain can, or diarrhea the way too much oil can. This has kept my 27 year old Thoroughbred going great.
I justwould like to know if it in pellet form or powder form?
A shopper on Feb 28, 2014
BEST ANSWER: it is a powder form, but not a fine powder, your horse will enjoy the taste my two do, I just mix a small amount of water and small amount of their grain mix in with it and they eat it right up.