Date published: 2026-6-10

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Vitamin B-1 Supplement for Horses – UltraCruz®

by Santa Cruz Animal Health
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Vitamin B-1 supplement to support healthy metabolism and promote focus and calm in performance horses
    • Ideal supplement for nervous or excited horses
    • Contains Vitamin B-1 (Thiamine) that can help to maintain a healthy nervous system and normal muscle activity in horses
    • Aides in supporting normal emotional balance
    • Highly recommended by others, see testimonials in tab below
    • Same day shipping on in-stock items ordered before 3:00 PM Central Time Monday-Friday.
    • Easy to use pelleted product, which helps reduce waste associated with supplements in powder form
    • Developed and manufactured in the USA with globally-sourced ingredients by Santa Cruz Animal Health
    • DISCOUNT: Bulk orders of UltraCruz® Animal Health products totaling $500 or more receive a 5% discount.
Catalog #DescriptionPriceQtyAutoshipCARTFAVORITES
sc-363250
2.5 lb, 40 day supply Vitamin B-1
$14.95Autoship: $14.20
sc-520109
2 x 2.5 lb, 80 day supply Vitamin B-1
$27.81Autoship: $26.42
sc-363251
20 lb, 335 day supply Vitamin B-1
$74.95Autoship: $71.20
sc-520112
1 each 2.5 lb Vitamin B-1, 4 lb Vitamin B-12 and 4 lb Vitamin C
$41.71Autoship: $39.62
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UltraCruz® Equine Vitamin B-1 Supplement for Horses

  • Can help support healthy growth
  • Helps promote normal muscle function
  • Can aid in calming nervous or excited horses

UltraCruz® Equine Vitamin B-1 Supplement for Horses is a supplement that provides essential Vitamin B-1 (Thiamine) that helps maintain a healthy nervous system and normal muscle activity in horses. This high quality vitamin supplement for horses is provided as an easy to use pelleted formula.

Vitamin B-1 Supplement for Horses - Corey Cushing Riding Whole Lota Cash

References:

  1. Pharmacokinetics of thiamine (vitamin B1) in adult horses after administration of three single intravenous doses.  |  Hess, EK., et al. 2021. J Vet Pharmacol Ther. 44: 937-944. PMID: 34407222
  2. The B Vitamin Requirements of the Horse  |  P. B. Pearson, M. K. Sheybani, H. Schmidt. 1944. JOURNAL OF ANIMAL SCIENCE. Vol 3, Issue 2: 166-174.
  3. The Synthesis of B Vitamins in the Horse  |  F. D. Carroll, Harold Goss, C. E. Howell. 1949. JOURNAL OF ANIMAL SCIENCE. VOL 8, ISSUE 2: 290-299.
  4. B Vitamin Content in the Skeletal Muscle of the Horse Fed A B Vitamin-Low Diet  |  F. D. Carroll. 1950. JOURNAL OF ANIMAL SCIENCE. Vol 9, Issue 2: 139-142.
  5. Thiamine Deficiency in a Team of Sled Dogs  |  Doreen M. Houston and Thomas J. Hulland. 1988. Canine Veterinary Journal. Vol 29: 383-385.
  6. Role of Diet and Feeding in Normal and Stereotypic Behaviors in Horses  |  Becky Hothersall, Christine Nicol. 2009. Veterinary Clinics of North America: Equine Practice. Vol 25, Issue 1: 167-181.
  7. The effect of large doses of thiamine on the horse  |  C.H.G. Irvine B.V.Sc. &N.G. Prentice M.B. Ch.B. M.R.A.C.P. 2011. New Zealand Veterinary Journal. Vol 10, Issue 4: 86-88.
  8. An Overview of Vitamin Requirements of the Domestic Horse  |  Brette N. Manthe, Curtis R. Youngs. 2014. Natural Sciences Education. Vol 42, Issue 1: 179-184.

Pellet vs. Powder Supplement Formulations

UltraCruz® Supplements are now available in pelletized formulations. By using pellets, rather than powder, we have been able to:

Vitamin B-1 Supplement for Horses - Piles of Equine Supplement pellets
  • Ensure stability of active ingredients
  • Maximize product freshness
  • Reduce waste

All San Juan Ranch performance and breeding horses use UltraCruz® Equine pelletized products.

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