McTarnahans Iodide Powder Horse Supplement, 4-lb bucket

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$27.95 Chewy Price
($0.44 /serving)
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$33.40 List Price
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About This Item

Details

  • Powdered iodine nutritional supplement for horses.
  • Helps to correct nutritional deficiencies that can be caused by issues like thyroid conditions.
  • Palatable dextrose base to appeal even to picky eaters.
  • Ready-to-use formula with no pre-mixing required.
  • Made in the USA.

Ingredient Information

Feeding Instructions

Questions & Answers

3 Customer Questions


How many grams of the active ingredient are in a single serving?

Answer by Chewy • Mar 30, 2022
There is 7.95 milligrams per 30 grams of the active ingredient in each serving.

Can humans consume this as a iodine supplement?

Answer by Chewy • Mar 20, 2021
This supplement is not for human use, as it is for equine use only.

How many oz are in the scoop?

Answer by Chewy • Jul 24, 2025
The scoop is one ounce, which is also the recommended serving size.
4.1
Rated 4.1 out of 5 stars
7 Ratings

2 Customer Reviews



Rated 4 out of 5 stars
By Sabrina on Feb 25, 2024

Iodide powder

Long used product for my mare. Pricing right and arrived quickly.

Long used product for my mare. Pricing right and arrived quickly.


Rated 5 out of 5 stars
By Catherine on Jun 17, 2023

great for feet

good for my horses feet. my farrier knows if i use it or if i dont.

good for my horses feet. my farrier knows if i use it or if i dont.