What age can you start giving this?

Formula 707 MuscleMx is safe to administer to yearlings.

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Formula 707 MuscleMx Equine Supplement, 10 lb Bag – Conditioning Support and Muscle Builder for Horses with Lysine, Gamma Oryzanol, Creatine & OKG

Formula 707 MuscleMx Equine Supplement, 10 lb Bag – Conditioning Support and Muscle Builder for Horses with Lysine, Gamma Oryzanol, Creatine & OKG

Product ID: 65404943

Details

Active Ingredients
amino acid
Brand
Formula 707
Flavor
Unflavored
Item Form
Pellet
Item Weight
10 Pounds

⚡ATP energy boost via creatine

💪4 key muscle-building ingredients

🇺🇸Made in Colorado, USA

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167698CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🏇 Elevate your horse’s muscle game — because champions don’t wait!

METABOLIC EDGE WITH OKG - Bypasses metabolic blockers to accelerate new muscle development.
ENERGY BOOSTING CREATINE - Supercharges muscle cells with ATP for sustained performance.
SYNERGISTIC MUSCLE POWER - Four natural ingredients combine to maximize muscle growth and definition.
TRUSTED HERITAGE FORMULA - Crafted by John Ewing Company since 1946, ensuring quality and results.
LYSINE DRIVEN PROTEIN SYNTHESIS - Essential amino acid fuels muscle-building proteins for lean mass.

Formula 707 MuscleMx is a premium 10 lb equine supplement designed to enhance muscle mass and conditioning through a scientifically balanced blend of lysine, gamma oryzanol, creatine, and ornithine-alpha-ketoglutarate (OKG). Manufactured in Colorado by the trusted John Ewing Company, this pellet-form formula supports metabolic pathways to boost muscle protein synthesis, energy production, and weight gain, making it the #1 choice for horse weight building supplements.

Specifications

ASIN	B01AE0CSWS
Active Ingredients	amino acid
Best Sellers Rank	#34,844 in Pet Supplies ( See Top 100 in Pet Supplies ) #2 in Horse Weight Building Supplements
Brand	Formula 707
Brand Name	Formula 707
Customer Reviews	4.6 out of 5 stars 121 Reviews
Flavor	Unflavored
Included Components	As shown.
Item Form	Pellet
Item Weight	10 Pounds
Manufacturer	John Ewing Company
Manufacturer Part Number	21279021
Model Number	21279021
Number of Items	1
Specific Uses For Product	Muscle Development
Target Species	Horse
UPC	765616105005
Unit Count	10.00 Pounds

Reviews

Z**H

AMAZING!

Working well after 32 servings. Definitely going to buy more! First photo was the day I started and the last 3 are most recent!

4.05.2026

T**I

No Flies!!

Love the product and it worked. My barn had little to no flies in it after I started using

11.03.2026

A**R

Will buy again.

Very impressed with this. Gelding is gaining weight and muscle and has a shiny coat.

10.06.2025

R**.

It helps my horse

This really works great on my 19year horse hes a good trail rider

3.02.2026

L**T

Formula 707

So far my horse is liking the taste of this product. Hoping to see a difference in 30 days so I can continue giving it to him.

13.01.2026

D**L

MuscleMx

I only use products from 707. This muscleMx is new to me, I've just started my EPM mare on it a couple of weeks ago. Have noticed she runs alot now has pep to her step. Lol I think i should start seeing results in another couple of weeks.

2.01.2026

M**N

707

Exelente producto y calidad 100%

1.02.2026

A**R

707

Love all your products

15.12.2025

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TrustScore 4.5 | 7,300+ reviews

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

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Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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167698CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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