Thia-Cal is a highly palatable liquid that contains pure thiamine, along with calcium, magnesium, and potassium, formulated for for horses subject to stress or with nervous dispositions.

Finish Line Thia-Cal PET132G
4 stars
  • canine
Description Price Qty
32 oz
Product #: PET131
List Price: $16.42
You Save: $5.17(31%)
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Thia-Cal contains high amounts of Vitamin B1, as well as calcium and magnesium, which interact with the Vitamin B to enhance its effectiveness. Potassium is also included because it helps to protect your horse against muscle weakness, nervousness, and irritability.

Thiamine, also known as Vitamin B1, is necessary to keep the brain healthy and alert. The brain is very sensitive to a deficiency of thiamine, and can result in irritability and neuralgia, which is pain that follows nerve pathways and causes increased sensitivity. Thiamine aids in the brain's metabolism, and a fall in the blood sugar level leads to an immediate reduction of oxygen consumption in the nerve cells, which is called hypoglycemia, and can also result in nerve irritability.

Thiamine plays a key role in the health of the nervous system. It allows proper development of myelin sheaths, which are the fat-like coverings that surround most nerves. When there is a Thiamine shortage, these coverings can degenerate, which can result in prickly sensations and pain. Another connection between the nervous system and Thiamine involves its role in the production of a specific neurotransmitter, which is used by the nervous system to send messages between the nerves and muscles. That neurotransmitter, called Acetylcholine, cannot be produced without adequate supplies of Thiamine.

Brand Finish Line
Manufacturer Finish Line
Size 32 oz and 1 gal
Size Options N/A
Cost/Feeding No
Product Condition new

Feeding Recommendations: For a 1000 lb horse, top-dress two ounces on feed daily for 8 days. Give one ounce daily thereafter.

Cautions: For use in horses only. Do not exceed recommended serving size. Keep out of reach of children. Shake well before using.


Water, salt, potassium chloride, calcium lactate, natural and artificial flavors, saccharin sodium, thiamine mononitrate, magnesium sulfate, sodium benzoate, xanthan gum.

Guaranteed Analysis:

Ingredient Per1 oz. ServingPer Lb% (w/w)
Calcium, min100 mg2100 mg0.35%
Calcium, max160 mg2300 mg0.45%
Salt, min2800 mg47,000 mg8.5%
Salt, max3200 mg49,000 mg9.5%
Sodium, min1000 mg15,000 mg3.0%
Sodium, max1400 mg17,000 mg4.0%
Potassium, min1500 mg13,000 mg4.5%
Magnesium, min100 mg1300 mg0.28%
Vitamin B1 (thiamine), min490 mg6,600 mg1.3%

good product

4 stars

I moved and had to switch trainors. My gelding had a difficult time with the move, and was really nervous, was having trouble jumping, responding to me, etc. After a month on this stuff, he's doing so much better. I took him off for a few days to see if it was just because he was getting more used to things, but he got the nerves again. This really makes a difference, and he likes the taste, seems to be eating a little better than before too.

Review by J. Ellison on 6/29/11

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Thia-Cal 0 out of 1 5 based on ratings. user reviews.