---
product_id: 64699296
title: "599840 Mega-Sel Liquid Formula for Horses, 2.5 Gallon"
brand: "spectra animal health div"
price: "$U15934"
currency: UYU
in_stock: true
reviews_count: 2
category: "Spectra Animal Health Div"
url: https://www.desertcart.uy/products/64699296-599840-mega-sel-liquid-formula-for-horses-2-5-gallon
store_origin: UY
region: Uruguay
---

# Pump Included for Easy Dosing 2.5 Gallon Liquid Formula 22.51 Pounds Packed Power 599840 Mega-Sel Liquid Formula for Horses, 2.5 Gallon

**Brand:** spectra animal health div
**Price:** $U15934
**Availability:** ✅ In Stock

## Summary

> 🐴 Boost your horse’s health with every pump – don’t let selenium deficiency slow you down!

## Quick Answers

- **What is this?** 599840 Mega-Sel Liquid Formula for Horses, 2.5 Gallon by spectra animal health div
- **How much does it cost?** $U15934 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.uy](https://www.desertcart.uy/products/64699296-599840-mega-sel-liquid-formula-for-horses-2-5-gallon)

## Best For

- spectra animal health div enthusiasts

## Why This Product

- Trusted spectra animal health div brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Palatable Formula:** Horses readily accept the taste, ensuring consistent supplementation without fuss.
- • **Eco-Friendly Packaging:** Recycled materials ensure sustainability without compromising product safety.
- • **Maximize Equine Vitality:** Premium selenium supplement tailored for optimal horse health and performance.
- • **Trusted by Professionals:** Highly rated with 4.5 stars, proven effective in selenium-deficient regions.
- • **Effortless Administration:** Comes with a convenient pump for precise, mess-free dosing every time.

## Overview

The Mega-Sel Liquid Formula is a 2.5-gallon selenium supplement designed for horses, weighing 22.51 pounds and packaged sustainably with a dosing pump included. It supports equine health in selenium-deficient areas, is well-reviewed for taste and ease of use, and is trusted by equestrian professionals.

## Description

SPECTRA ANIMAL HEALTH DIV 599840 Mega-Sel Liquid Formula for Horses, 2.5 Gallon

Review: Excellent packaging and shipping - If you are going to buy megasel, this is the way to do it! Excellent packaging using recycled material to pad and a pump is included with the very large bottle.
Review: Fast delivery and well sealed for transport - Must have in our Se- deprived area. Easy to dose. Horses like the taste and had no problem when introducing it

## Features

- Mega-Sel. Horse Feed Supplements
- Manufacturer: SPECTRA ANIMAL HEALTH DIV
- Manufacturer part number: 11151
- The Package Weight Of The Product Is 22.51 Pounds

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Customer Reviews | 4.5 out of 5 stars 9 Reviews |

## Images

![599840 Mega-Sel Liquid Formula for Horses, 2.5 Gallon - Image 1](https://m.media-amazon.com/images/I/61NRZ14Cs9L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent packaging and shipping
*by W***E on May 1, 2019*

If you are going to buy megasel, this is the way to do it! Excellent packaging using recycled material to pad and a pump is included with the very large bottle.

### ⭐⭐⭐⭐⭐ Fast delivery and well sealed for transport
*by P***E on October 20, 2018*

Must have in our Se- deprived area. Easy to dose. Horses like the taste and had no problem when introducing it

## Frequently Bought Together

- SPECTRA ANIMAL HEALTH DIV 599840 Mega-Sel Liquid Formula for Horses, 2.5 Gallon
- Farnam Horseshoer's Secret Pelleted Hoof Supplements, Promotes healthy hoof growth, maintains hoof walls & supports cracked hooves, 38 lbs., 100 day supply

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.uy/products/64699296-599840-mega-sel-liquid-formula-for-horses-2-5-gallon](https://www.desertcart.uy/products/64699296-599840-mega-sel-liquid-formula-for-horses-2-5-gallon)

---

*Product available on Desertcart Uruguay*
*Store origin: UY*
*Last updated: 2026-03-02*