Date published: 2026-7-29

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Weight Gain Supplement for Horses – UltraCruz®

by Santa Cruz Animal Health
4.7(182)
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Equine weight gain supplement for horses with Omega 3 Fatty Acids and Natural Vitamin E to help support proper weight management
    • Ideal for performance horses in training and for underweight horses
    • Rich source of pure, cold-pressed Flax Oil that serves as an excellent source of Omega-3 Fatty Acids
    • Also contains Natural Vitamin E, an important antioxidant that helps protect cells from free radical damage
    • Provides support for proper weight management without increasing grain intake
    • Provided as a palatable liquid
    • Developed and manufactured in the USA with globally-sourced ingredients by Santa Cruz Animal Health
    • Highly recommended by others including several world class horse trainers, see testimonials in tab below
    • Same day shipping on in-stock items ordered before 3:00 PM Central Time Monday-Friday.
    • DISCOUNT: Bulk orders of UltraCruz® Animal Health products totaling $500 or more receive a 5% discount.
Catalog #DescriptionPriceQtyAutoshipCARTFAVORITES
sc-363226
1 gallon, 32 day supply, liquid
$45.95Autoship: $43.65
sc-395529
4 x 1 gallon, 128 day supply, liquid
$144.95Autoship: $137.70
sc-516527
UltraCruz® 4 oz scoop - sold separately
$1.75Autoship: $1.66
sc-516069
UltraCruz® 1 Gallon Pump - sold separately
$3.95Autoship: $3.75
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UltraCruz® Equine Weight Gain Supplement for Horses

  • Supports healthy skin and coat

UltraCruz® Equine Weight Gain Supplement for Horses is a supplement for horses that contains pure, cold-pressed Flax Oil that serves as an excellent source of Omega-3 Fatty Acids. Supplementing Flax Oil in a horse's diet can support weight management without increasing grain intake. This high-quality weight gain supplement may be especially beneficial for horses participating in rigorous exercise or any horse that requires support to maintain a healthy body condition.

Weight Gain Supplement for Horses - Stylish Little Oak being ridden by Tucker Robinson

Flax Oil supplementation can support weight management and also help maintain a healthy skin and coat.

Supplement a healthy body condition and beautiful hair coat with healthy, strong hooves by adding UltraCruz® Equine Advanced Hoof Supplement for Horses.

About Omega-3 Fatty Acids

Historically, under natural conditions, horses consume an approximately 5:1 ratio of Omega-3 to Omega-6, which is the ratio found in grass and green hay. The modern equine diet, which is primarily grain-based, has a low (less than 1:10) ratio of Omega-3 to Omega-6. UltraCruz® Equine Pure Flax Oil Supplement for Horses can help achieve the desired ratio of fatty acids in the diet to maintain balance and support horse health.

References:

  1. Vitamin E requirements of adult Standardbred horses evaluated by tissue depletion and repletion  |  B. O. RONÉUS, R. V. J. HAKKARAINEN, C. A. LINDHOLM, J. T. TYÖPPÖNEN. Equine Veterinary Journal BEVA.
  2. Effect of intravenous infusion of omega-3 and omega-6 lipid emulsions on equine monocyte fatty acid composition and inflammatory mediator production in vitro.  |  McCann, ME., et al. 2000. Shock. 14: 222-8. PMID: 10947170
  3. Oral vitamin E supplementation on oxidative stress, vitamin and antioxidant status in intensely exercised horses.  |  Williams, CA. and Carlucci, SA. 2006. Equine Vet J Suppl. 617-21. PMID: 17402493
  4. Clinical nutrition of adult horses.  |  Ralston, SL. 1990. Vet Clin North Am Equine Pract. 6: 339-54. PMID: 2202496
  5. Effects of two different dietary sources of long chain omega-3, highly unsaturated fatty acids on incorporation into the plasma, red blood cell, and skeletal muscle in horses.  |  Hess, TM., et al. 2012. J Anim Sci. 90: 3023-31. PMID: 22966078
  6. Effects of Vitamin E and Coenzyme Q10 Supplementation on Oxidative Stress Parameters in Untrained Leisure Horses Subjected to Acute Moderate Exercise.  |  Nemec Svete, A., et al. 2021. Antioxidants (Basel). 10: PMID: 34205129
  7. Effects of Crude Rice Bran Oil and a Flaxseed Oil Blend in Young Horses Engaged in a Training Program.  |  Mowry, KC., et al. 2022. Animals (Basel). 12: PMID: 36359130
  8. Effect of exercise training, selenium and vitamin E on some free radical scavengers in horses (Equus caballus)  |  Luca Avellini, Elisabetta Chiaradia, AlbertoGaiti. 1999. Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology. Vol 123, Issue 2: 147-154.
  9. Antioxidant and haematological biomarkers in different groups of horses supplemented with polyunsaturated oil and vitamin E  |  S. K. M. Mélo, A. I. A. Diniz, V. L. de Lira, S. K. de Oliveira Muniz, G. R. da Silva, H. E. C. da C. C. Manso, H. C. Manso Filho. 2016. Animal Physiology and Animal Nutrition. VOL 100, ISSUE 5: 852-859.
  10. Investigation of the effect of vitamin E application on lipid peroxidation and antioxidants in exercised horses  |  Neslihan ORMANCI Fatmagül YUR. 2018. Turkish Veterinary Journal. Vol 2 issue 1: 19-25.

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