Can you use this just once for a stressful event, or do you have to use it several days in advance? I'm thinking just for a horse who is hard to load

I think the product is intended for longer term use. I did not find it helped my horse who was having trouble adjusting to a new stable after a move. I finally just moved him somewhere else.

If it takes 3 days to become effective, How long do the effects last?

Maybe a day or 2 after coming off of steady state dosing, depending on the root cause of your horse's anxiety, and stimuli in the environment.

How many pouches come in this?

20 pouches - depending on your horse's weight, you need 1 to 2 pouches per day. I don't remember exact cutoff, but I think it was 1 pouch up to 1,250 lbs, 2 pouches if over that. By the way, I was extremely pleased with the results!

Can you use this at an open/4h type show or would they test + for something?

There are not usually any blood tests pulled at Open or 4H shows. Only approved higher level shows regularly test for drugs. With that being said, I do not know if the tryptophan will show up as a prohibited substance. You would do well to check with whichever governing body disapproving the show to see if there are any prohibitions.

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Vetoquinol Zylkene Equine Behavior Support Horse Supplement Powder 2000mg, 20ct

Product ID: 716228322

Details

Brand
Vetoquinol
Flavour
Apple
Item form
Powder
Specific uses for product
Behavior

🍏Apple-flavored powder

🐴2000mg Alpha-Casozepine

🧘‍♂️Non-sedative calming

2459.30 DT

Duties & taxes included

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🐎 Stay ahead of stress—calm, alert, and ready to perform!

ALERT RELAXED - Supports calmness while maintaining mental sharpness and responsiveness
APPLE FLAVORED EASE - Palatable powder ensures consistent intake without fuss
CLINICALLY PROVEN CALM - 2000mg of natural Alpha-Casozepine promotes stress relief without sedation
SITUATIONAL STRESS SAVIOR - Perfect for travel, training, weaning, and environmental changes
VETERINARY TRUSTED FORMULA - Backed by Vetoquinol’s expert animal health science for reliable behavior support

Vetoquinol Zylkene Equine is a 2000mg Alpha-Casozepine-based apple-flavored powder supplement designed to reduce stress-related behaviors in horses. Clinically proven and non-sedative, it supports relaxation and mental alertness during travel, training, and other stressful situations, making it an essential tool for proactive equine behavior management.

Specifications

ASIN	B01FKN87V0
Active Ingredients	Zylkene Equine contains 2000mg of bovine-sourced, lactose-free hydrolyzed milk protein called Alpha-S1 Tryptic Casein, commonly known as Alpha-Casozepine. This active ingredient has unique calming properties. It also contains two inactive ingredients: Apple Flavor and Maltodextrin.
Brand Name	Vetoquinol
Customer Reviews	4.3 4.3 out of 5 stars (148)
Flavor	Apple
Item Form	Powder
Manufacturer	Vetoquinol
Manufacturer Part Number	439334
Number of Items	3
Specific Uses For Product	Behavior
Target Species	Horse
UPC	651307881757
Unit Count	1.68 Grams

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