Horse Weight Gain Supplements and Horse Muscle Gain Supplements

Sort
Filter
Slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 2 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 3 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 4 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 2 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 3 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 4 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 2 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 3 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 4 of 4
Slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 2 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 3 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 4 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 2 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 3 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 4 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 1 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 2 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 3 of 4
Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag slide 4 of 4

Buckeye Nutrition Ultimate Finish 25 High-Fat Weight Gain Pellets Horse Supplement, 40-lb bag

Rated 4.8 out of 5 stars
183
$46.00 Chewy Price
($0.58/serving) Price per Unit
$67.60 List Price
$43.70 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 2 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 3 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 4 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 5 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 6 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 7 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 2 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 3 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 4 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 5 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 6 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 7 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 2 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 3 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 4 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 5 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 6 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 7 of 7
Slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 2 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 3 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 4 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 5 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 6 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 7 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 2 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 3 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 4 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 5 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 6 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 7 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 1 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 2 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 3 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 4 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 5 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 6 of 7
Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag slide 7 of 7

Manna Pro Cool Calories 100 Healthy Weight Gain Equine Dry Fat Horse Supplement, 8-lb bag

Rated 4.6 out of 5 stars
104
$31.49 Chewy Price
($0.50/serving) Price per Unit
$42.49 List Price
$29.92 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Slide 1 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 1 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 2 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 3 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 4 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 5 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 6 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 1 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 2 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 3 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 4 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 5 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 6 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 1 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 2 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 3 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 4 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 5 of 6
Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag slide 6 of 6

Formula 707 Weight Gain Crumble Horse Supplement, 7-lb bag

Rated 4.4 out of 5 stars
22
$41.33 Chewy Price
($1.48/serving) Price per Unit
$45.92 List Price
$39.26 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

AniMed Rice Bran Oil Horse Supplement, 1-gal bottle

Rated 5 out of 5 stars
20
$44.99 Chewy Price
($1.41/serving) Price per Unit
$69.99 List Price
$42.74 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

New

Purina Animal Nutrition Purina SuperSport Amino Acid Pellets Horse Performance Supplement, 25-lb bag

Rated 4.9 out of 5 stars
18
$56.99 Chewy Price
($2.28/lb) Price per Unit
$57.49 List Price
$54.14 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

SmartEquine CocoSoya Fatty Acid Formula Liquid Horse Supplement, 1-gal bottle

Rated 4.7 out of 5 stars
123
$33.99 Chewy Price
($0.27/serving) Price per Unit
$35.74 List Price
$32.29 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Farnam Weight Builder Weight Support Supplement for Horses, 22.5-lb, 90 Day Supply

Rated 4.6 out of 5 stars
68
$116.49 Chewy Price
($2.54/serving) Price per Unit
$130.49 List Price
$110.67 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Mad Barn Omneity Premix Vitamin & Mineral Horse Supplement, 11-lb bucket

Rated 4.9 out of 5 stars
8
$54.99 Chewy Price
($5.00/lb) Price per Unit
$52.24 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Formula 707 MuscleMx Muscle Care Hay Flavor Pellets Horse Supplement, 3-lb bag

Rated 4.6 out of 5 stars
11
$40.01 Chewy Price
($1.26/serving) Price per Unit
$38.01 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

New

Purina Animal Nutrition Purina Amplify High-Fat Horse Supplement, 50-lb bag

Rated 4.9 out of 5 stars
17
$72.99 Chewy Price
($1.46/lb) Price per Unit
$73.49 List Price
$69.34 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Buckeye Nutrition Ultimate Finish 100 Weight Gain Granules Horse Supplement, 20-lb soft pack

Rated 4.5 out of 5 stars
101
$61.39 Chewy Price
($0.77/serving) Price per Unit
$94.56 List Price
$58.32 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Buckeye Nutrition Ultimate Finish 40 Weight Gain Pellets Horse Supplement, 20-lb soft pack

Rated 4.7 out of 5 stars
60
$83.49 Chewy Price
($1.05/serving) Price per Unit
$114.32 List Price
$79.32 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

UltraCruz Selenium Nerve, Muscle & Joint Support Pellets Horse Supplement, 10-lb bag

Rated 4.7 out of 5 stars
48
$28.99 Chewy Price
($0.18/serving) Price per Unit
$27.54 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Vita Flex Pro Pure Lysine Amino Acid Powder Horse Supplement 151 Day Supply, 4-lb bucket

Rated 4.9 out of 5 stars
32
$29.99 Chewy Price
($0.20/serving) Price per Unit
$33.49 List Price
$28.49 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Focus by Source Inc. WT Weight Gain Powder Horse Supplement, 3.5-lb tub

Rated 4.4 out of 5 stars
17
$24.69 Chewy Price
($0.67/serving) Price per Unit
$40.08 List Price
$23.46 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AniMed Muscle-Up Powder Horse Supplement, 2.5-lb tub

Rated 4.6 out of 5 stars
31
$39.99 Chewy Price
($0.50/serving) Price per Unit
$54.99 List Price
$37.99 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

SmartEquine CocoOmega Fatty Acid Formula Powder Horse Supplement, 5-lb bag

Rated 4.8 out of 5 stars
41
$47.32 Chewy Price
($1.58/serving) Price per Unit
$44.95 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Kentucky Performance Products Equi-Jewel Rice Bran Energy Pellets Horse Supplement, 40-lb bag

Rated 4.8 out of 5 stars
61
$33.88 Chewy Price
($0.85/serving) Price per Unit
$32.19 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Mad Barn Visceral+ Gut Gastric & Immune Support Horse Pellet Supplement, 5.5-lb bucket

Rated 4.3 out of 5 stars
8
$89.99 Chewy Price
($16.37/lb) Price per Unit
$85.49 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Formula 707 Weight Gain Crumble Horse Supplement, 28 count

Rated 5 out of 5 stars
5
$43.51 Chewy Price
($1.56/ea) Price per Unit
$48.34 List Price
$41.33 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

DAC Bloom Coat Care & Weight Gain Powder Horse Supplement, 20-lb bag

Rated 4.8 out of 5 stars
74
$99.95 Chewy Price
($0.32/serving) Price per Unit
$104.19 List Price
$94.95 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Cavalor Muscle Force Powder Horse Muscle Supplement, 2-kg pail

Rated 3.9 out of 5 stars
22
$221.39 Chewy Price
($13.03/serving) Price per Unit
$210.32 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Buckeye Nutrition Ultimate Finish SRB+ Stabilized Rice Bran Pellets Horse Supplement, 30-lb bag...

Rated 4.7 out of 5 stars
102
$35.28 Chewy Price
($0.59/serving) Price per Unit
$33.52 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

UltraCruz Equine Lysine Muscle, Coat & Hoof Care Pellets Horse Supplement, 10-lb bag

Rated 4.3 out of 5 stars
9
$22.95 Chewy Price
($0.15/serving) Price per Unit
$25.11 List Price
$21.80 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

UltraCruz Weight Gain Liquid Horse Supplement, 1-gal, 4 count

Rated 4.6 out of 5 stars
11
$146.22 Chewy Price
($0.56/serving) Price per Unit
$156.72 List Price
$138.91 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Kentucky Equine Research All-Phase Low-Starch Ration Balancer Pellet Horse Supplement, 44-lb ba...

Rated 4.7 out of 5 stars
51
$49.99 Chewy Price
($0.57/serving) Price per Unit
$47.49 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

SmartEquine Tri-Amino Amino Acid Powder Horse Supplement, 2-lb jar

Rated 4.6 out of 5 stars
58
$38.89 Chewy Price
($0.87/serving) Price per Unit
$36.95 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Mad Barn Optimum Digestive Health Probiotic & Prebiotic Horse Pellet Supplement, 5.5-lb bucket

Rated 1 out of 5 stars
1
$53.99 Chewy Price
($9.82/lb) Price per Unit
$51.29 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

UltraCruz Flax Oil Blend Skin, Coat & Hoof Care Liquid Horse Supplement, 1-gal bottle

Rated 4.3 out of 5 stars
24
$29.95 Chewy Price
($29.95/gl) Price per Unit
$32.95 List Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AniMed Natural Weight-UP Weight Gain Powder Horse Supplement, 10-lb tub

Rated 4.5 out of 5 stars
29
$51.95 Chewy Price
($0.49/serving) Price per Unit
$69.95 List Price
$49.35 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Mad Barn AminoTrace+ Enhanced Vitamin & Mineral Horse Pellet Supplement, 11-lb bucket

Rated 4.6 out of 5 stars
18
$64.99 Chewy Price
($5.91/lb) Price per Unit
$61.74 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Cox Vet Lab s Ex-Cell Pure Amino Acids Powder 177-g jar

Rated 1 out of 5 stars
1
$26.76 Chewy Price
($0.16/g) Price per Unit
$32.86 List Price
$25.42 Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns

Pivotal POWER+ Apple Flavored Powder Horse Supplement, 620-g jar

Rated 5 out of 5 stars
3
$87.99 Chewy Price
($0.15/g) Price per Unit
$89.99 List Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Mad Barn Optimum Probiotic 20 Billion CFU Probiotic Horse Powder Supplement, 60-g pouch

Rated 5 out of 5 stars
2
$19.99 Chewy Price
($0.34/g) Price per Unit
$18.99 Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Keyflow Feeds Key 3 Oil High Fat Horse Feed, 5-liter jug

Rated 4.5 out of 5 stars
30
$69.95 Chewy Price
$66.45 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Ramard Total Blood Fluid Muscle Horse Supplement, 30 Day Supply

Rated 4.9 out of 5 stars
13
$45.89 Chewy Price
$56.66 List Price
$43.60 Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Category

Horse Weight Gain Supplements

Horse Muscle Mass Builder Supplements

Save 5% on repeat deliveries

Horse Health Feature

Product Form

Brand

7 Brands are shown below

Key Ingredient

Special Diet

Horse Life Stage

Flavor

Deals & Savings

Price