Muscle Builder Plus

Name: Formula 707® Muscle Builder Plus - Muscle Builder Plus
Brand: Formula 707®
SKU: 44620007997662
Price: 59.93 USD
Availability: InStock
Rating: 5 (8 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$59.93

Purchase at Formula 707®

Color

Black

Quantity

Proprietary blend of D-biotin, A-B vitamin, DL-methionine, and L-lysine supports hoof and muscle health
Contains essential amino acids and minerals for optimal bioavailability and absorption
Formulated for intensive muscle growth and development in performance horses
Suitable for daily use to maintain superior health and condition in horses of all ages

Summarized by Shop

Form: Pellets
Net Weight: 25 lb (11.34 kg)
Key Ingredients: Wheat grain, alfalfa, dried yeast, corn grain, rice hulls, DL-methionine, calcium phosphorus zinc complex, proteinated manganese, copper
Vitamins and Minerals: Includes B-complex, A, D, E, C, iron, zinc, copper, selenium, vitamin B12, pantotenate of calcium
Recommended Use: 3 oz (approx. 85 g) per day for adult horses (1100 lb average weight)

Summarized by Shop

5.0

9 ratings

Big fan of 707 and of the muscle builder, this is just a 2 week difference!

Brooke · 15 days ago

Already see a difference

Embezzln · July 15, 2026

707 Muscle Builder

We’ve noticed a significant difference in coat health and appearance, weight, and hoof quality since starting the 707 muscle builder formula. The individual packets make adding these into daily feeding routine’s quick and easy! Will be renewing our auto subscription and would highly recommend for any horse in training or a lesson program

Dessie · May 5, 2026

Visit Formula 707® for full shipping details

Shipping calculated at checkout

Returns accepted within 90 days

Exclusions may apply. See full policy

Exclusive offer available

Formula 707®

4.8 (2K)

Product description loading

This is the product description text that will appear here.

Exclusive offer available

Formula 707®

Weight Gain Fresh Packs®

(3)

$48.34

Exclusive offer available

Formula 707®

Joint 6-in-1 Fresh Packs®

(6)

$44.88

Formula 707®

Support Pro

(159)

$139.67

Exclusive offer available

Smart Earth Camelina - USA

Camelina Plus - Gastric Wellness Support

(1)

$89.99

Exclusive offer available

Formula 707®

Support Pro - 25 lb bag

(1)

$265.07

StateLineTack

4.7

(2.8K)

Formula 707®

Muscle Builder Plus Bulk - 25 lb bag

(2)

$279.88

Exclusive offer available

Formula 707®

ULZERless® Pellets

(21)

$90.67

Exclusive offer available

Formula 707®

MetaStable® Pellets

(285)

$77.95

37% off

StateLineTack

Gatsby Felt Leg Wraps White 2pk

$16.99$26.99

Sores & More horse skin relief spray, non-toxic, no alcohol or steroids, 100% satisfaction guarantee.

Exclusive offer available

Summit Animal Health

Sores & More for Horses

(10)

$40.00

NRS

Formula 707 Joint 6-in-1 20 lbs

$229.99

Equine Veterinary Essentials

4.8

(72)

Metabo-Balance equine metabolic support supplement pouch, front of package

Lifespan equine joint and skin supplement pouch, front of package

Exclusive offer available

Summit Animal Health

Energy Boost for Horses

(6)

$12.99

StateLineTack

Source Focus HF Hoof Supplement

$43.23

Formula 707®

Pro Edge Combo Daily Packs

(39)

$149.89

Exclusive offer available

Formula 707®

Restore Electrolyte Pellets

(8)

$43.51

BioMane.com

4.8

(9.3K)

Formula 707 Joint 6-in-1 Pellets Horse Supplement - 10-lb (80-160 servings) - horse Joint & Hip Supplements 1

Exclusive offer available

HardyPaw

Formula 707 Joint 6-in-1 Pellets Horse Supplement

$75.99

Exclusive offer available

Formula 707®

Fly Deny® Fly Spray

(14)

$29.99

Exclusive offer available

Formula 707®

Calming Fresh Packs®

(16)

$48.25

10% off

Horse.com

Formula 707 Joint 6-in-1

$222.40$247.12

Exclusive offer available

Formula 707®

Digestive Health Pellets

(12)

$39.93

Formula 707®

Pro Edge Bulk - 25 lb bag

(7)

$354.50

17% off

StateLineTack

Royal King Silver Ferrules Show Halter Hrse Dk Oil

$106.00$127.56

Summit Animal Health

4.8

(1.8K)

Joint & Mobility IM for Horses supplement bottle with veterinarian recommendation and satisfaction guarantee.

10% off

Horse.com

Formula 707 Joint 6in1 Daily Fresh Packs

$40.40$44.89

100X Equine, LLC

Amino-MAX

(526)

$176.94

3% off

StateLineTack

MVP Senior-Flex HA

$120.52$124.25

100X Equine, LLC

4.9

(21.6K)

Exclusive offer available

Formula 707®

Joint 6-in-1 + Daily Essentials Combo Fresh Packs

(15)

$54.23

10% off

Horse.com

Formula 707 Daily Essentials

$26.43$29.37

Equine Veterinary Essentials

Equi-Breeze™ Daily Respiratory Support for Horses

(21)

$54.99

Formula 707®

The Next Stage Bulk - 25 lb Bag

(4)

$274.38

Exclusive offer available

Formula 707®

Super E Pellets

(7)

$155.31

Online For Equine

Equimins Air Power Booster

£15.50

HorseHalo

4.3

(1.6K)

Formula 707®

Training Elite

(19)

$118.91

10% off

StateLineTack

Lami-Cell Ventex 22 All Purpose Girth

$125.99$139.99

NRS

Formula 707 LifeCare Calming 10lb

$86.99

Gilroy Farmers Supply

Formula 707 Calming Pellets

$87.99

100X Equine, LLC

Gut X

(6.2K)

$134.79

5% off

StateLineTack

Professionals Choice Elevation Gag 3 Piece Twist B

$75.99$79.95

Exclusive offer available

Formula 707®

MuscleMx Pellets

(35)

$38.00

Backyard golf training

Practice nets, hitting mats, and putting mats.

10% off

Horse.com

Formula 707 Joint 6-in-1 Plus Daily

$48.80$54.23

Exclusive offer available

Formula 707®

Performance Liquid

(3)

$39.53

Formula 707®

Healthy Gut Remedy

(7)

$121.57

Exclusive offer available

Formula 707®

Hoof Health Pellets

(81)

$51.46

Houndsman XP

Equine Thy-Right

$95.00

Exclusive offer available

Formula 707®

Joint 6-in-1 Pellets

(57)

$78.59

Coat Defense

4.5

(4.9K)

Equine Veterinary Essentials

Equi-Gut+™ – Veterinarian Formulated Equine Digestive Supplement

(5)

$54.99

10% off

StateLineTack

Formula 707 PerformanceMx Liquid

$35.58$39.54

Cellular Equine LLC

90 day Complete formula

$217.00

16% off

StateLineTack

Nunn Finer Beyond Premium Lunge Line

$38.64$46.00

Precision Equine

Mega Muscle Builder pack

(5)

$150.00

Exclusive offer available

Formula 707®

Weight Gain Powder

(6)

$45.92

Exclusive offer available

Formula 707®

Daily Essentials Pellets

(32)

$29.37

Exclusive offer available

Sustenance Herbs

Open-Aire EQ™ - Respiratory Formula

$67.00

Rock climbing essentials

Shoes, apparel, and chalk systems.

Exclusive offer available

Formula 707®

Calming Pellets

(331)

$51.62

Formula 707®

High Impact

(5)

$99.17

Exclusive offer available

Formula 707®

MultiFly® Feed-Thru Fly Control

(631)

$34.49

Exclusive offer available

Formula 707®

Calming Paste

(18)

$17.50

Formula 707®

Complete Wellness

(8)

$69.95

20% off

StateLineTack

Horseshoers Secret Extra Strength

$75.99$95.49

Summit Animal Health

Muscle Builder

(26)

$35.95

OptiWize Inc

4.7

(2.5K)

StateLineTack

Basic Poly Side Pull Rope Training Halter

(1)

$7.99

StateLineTack

Safe-Guard 25g Fenbendazole Single Dose Wormer

(2)

$16.99

Formula 707®

The Next Stage

(15)

$116.81

Exclusive offer available

Formula 707®

Grow Granules

$193.20

25.5 oz Bag of Daily Natural Vitamin E Powder - High Bioavailability Antioxidant Support for Horses, highly concentrated with 2000 IU per scoop.

Equine Balanced Support

Daily Natural Vitamin E - High Bioavailability Antioxidant Support

(11)

$44.44

Exclusive offer available

Formula 707®

Glo-N-Go Liquid

(8)

$47.76

Exclusive offer available

Formula 707®

Hoof Health Fresh Packs®

(6)

$48.03

Formula 707®

High Impact Bulk - 25 lb bag

(5)

$234.22

Post-workout recovery

Wraps, compression sleeves, and foam rollers.

Exclusive offer available

Formula 707®

Psyllium Pellets

(7)

$32.04

Exclusive offer available

Formula 707®

ULZERless® Fresh Packs®

(2)

$58.79

StateLineTack

Easycare EasyShoe Versa Grip Glue Front Shoe

$62.95

10% off

KVSupply

Formula 707 Glo-N-Go

$42.98$47.76

Country Ways

Pro-Equine Airway

(1)

£19.95

StateLineTack

Health-E Maximum Strength Vitamin E

$73.95

Silver Lining Herbs

4.7

(2.2K)

Herbal Wormer for Horses - Silver Lining Herbs

Feet & Bone Support for Horses - Silver Lining Herbs

Pituitary Support for Horses - Silver Lining Herbs

Immune Support for Horses - Silver Lining Herbs

Proprietary blend of D-biotin, A-B vitamin, DL-methionine, and L-lysine supports hoof and muscle health
Contains essential amino acids and minerals for optimal bioavailability and absorption
Formulated for intensive muscle growth and development in performance horses
Suitable for daily use to maintain superior health and condition in horses of all ages

Summarized by Shop

Form: Pellets
Net Weight: 25 lb (11.34 kg)
Key Ingredients: Wheat grain, alfalfa, dried yeast, corn grain, rice hulls, DL-methionine, calcium phosphorus zinc complex, proteinated manganese, copper
Vitamins and Minerals: Includes B-complex, A, D, E, C, iron, zinc, copper, selenium, vitamin B12, pantotenate of calcium
Recommended Use: 3 oz (approx. 85 g) per day for adult horses (1100 lb average weight)

Summarized by Shop

5.0

9 ratings

Big fan of 707 and of the muscle builder, this is just a 2 week difference!

Brooke · 15 days ago

Already see a difference

Embezzln · July 15, 2026

707 Muscle Builder

Dessie · May 5, 2026

Visit Formula 707® for full shipping details

Shipping calculated at checkout

Returns accepted within 90 days

Exclusions may apply. See full policy

Exclusive offer available

Formula 707®

4.8 (2K)

Muscle Builder Plus

Highlights

Description

Specifications

Reviews5.0(9)

Delivery & Returns

Formula 707®

You might also like

Weight Gain Fresh Packs®

Joint 6-in-1 Fresh Packs®

Support Pro

Camelina Plus - Gastric Wellness Support

Support Pro - 25 lb bag

StateLineTack

Muscle Builder Plus Bulk - 25 lb bag

ULZERless® Pellets

MetaStable® Pellets

Gatsby Felt Leg Wraps White 2pk

Sores & More for Horses

Formula 707 Joint 6-in-1 20 lbs

Equine Veterinary Essentials

Energy Boost for Horses

Source Focus HF Hoof Supplement

Pro Edge Combo Daily Packs

Restore Electrolyte Pellets

BioMane.com

Formula 707 Joint 6-in-1 Pellets Horse Supplement

Fly Deny® Fly Spray

Calming Fresh Packs®

Formula 707 Joint 6-in-1

Digestive Health Pellets

Pro Edge Bulk - 25 lb bag

Royal King Silver Ferrules Show Halter Hrse Dk Oil

Summit Animal Health

Formula 707 Joint 6in1 Daily Fresh Packs

Amino-MAX

MVP Senior-Flex HA

100X Equine, LLC

Joint 6-in-1 + Daily Essentials Combo Fresh Packs

Formula 707 Daily Essentials

Equi-Breeze™ Daily Respiratory Support for Horses

The Next Stage Bulk - 25 lb Bag

Super E Pellets

Equimins Air Power Booster

HorseHalo

Training Elite

Lami-Cell Ventex 22 All Purpose Girth

Formula 707 LifeCare Calming 10lb

Formula 707 Calming Pellets

Gut X

Professionals Choice Elevation Gag 3 Piece Twist B

MuscleMx Pellets

Formula 707 Joint 6-in-1 Plus Daily

Performance Liquid

Healthy Gut Remedy

Hoof Health Pellets

Equine Thy-Right

Joint 6-in-1 Pellets

Coat Defense

Equi-Gut+™ – Veterinarian Formulated Equine Digestive Supplement

Formula 707 PerformanceMx Liquid

90 day Complete formula

Nunn Finer Beyond Premium Lunge Line

Mega Muscle Builder pack

Weight Gain Powder

Daily Essentials Pellets

Open-Aire EQ™ - Respiratory Formula

Calming Pellets

High Impact

MultiFly® Feed-Thru Fly Control

Calming Paste

Complete Wellness

Horseshoers Secret Extra Strength

Muscle Builder

OptiWize Inc

Basic Poly Side Pull Rope Training Halter

Safe-Guard 25g Fenbendazole Single Dose Wormer

The Next Stage

Grow Granules

Daily Natural Vitamin E - High Bioavailability Antioxidant Support