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One AC Equine Feed Supplement – 200 g (≈ 32-day supply)
Horses that cannot sweat have no way to shed heat, so even an easy trot on a humid day can push their core temperature into the danger zone. One AC is the University-of-Florida-developed top-dress powder that jump-starts the body’s natural cooling pathway instead of masking the problem with stimulants. More than fifteen years of field use show that roughly 95 percent of non-sweaters return to steady, evaporative cooling within two weeks, letting riders in Texas, Florida and other hot regions keep training, hauling and competing with confidence.
How it works
Targets the sweat enzymes - Each teaspoon delivers concentrated L-Tyrosine together with niacin, pyridoxine, d-pantothenic acid and choline bitartrate. These nutrients up-regulate tyrosine hydroxylase and related enzymes, the biochemical switches that initiate the sweating cascade.
Competition-legal formulation - The recipe is free of prohibited substances and is suitable for stallions, broodmares and young stock. It will not trigger routine show-ground screens.
Horse-friendly flavour - The neutral powder blends into grain or soaked pellets; picky eaters finish it without fuss.
No injections, no harsh scrubs - A simple feed-through solution avoids the stress, expense and infection risk of invasive therapies.
Economical daily cost - One small 200 g jar covers about a month for a 1 000 lb horse; larger horses scale predictably by body-weight.
Guaranteed analysis (per pound)
L-Tyrosine 36 % · Niacin 36 288 mg · Vitamin B₆ 35 380 mg · d-Pantothenic acid 66 225 mg · Choline bitartrate 145 152 mg
Feeding guide – mix with the concentrate portion of each meal
600-900 lb (270-410 kg): ¾ tsp morning + ¾ tsp evening (≈ 3.5 g total)
950-1 100 lb (430-500 kg): 1 tsp morning + 1 tsp evening (≈ 4.7 g total)
Over 1 100 lb: add ½ tsp to both morning and evening feeds for every extra 100 lb of body-weight
Miniatures / ponies: ½ tsp once daily (≈ 1.2 g total)
One level teaspoon ≈ 2.35 g
Directions:
Reduce hard work for the first three weeks; keep light exercise (heart rate under 80 bpm) to maintain muscle tone.
Provide free-choice salt and fresh water at all times.
Re-evaluate dosage if workload, climate or body-weight change significantly.
Package & storage
200 g screw-top jar ≈ 32 average horse-days. Store tightly capped in a cool, dry place out of reach of children and animals.
Bottom line: One AC offers a research-backed, show-legal route to comfortable, thermoregulating horses without injections or harsh stimulants.