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Muscle Builder Supplements for Adults

Whether you're looking for natural muscle building supplements, protein supplements for muscle building, or mass gainers, there’s a formula to match your fitness goals here at The Vitamin Shoppe.

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Activate strength, power, and performance with protein, pre-workout, and creatine formulas from RAW Nutrition—now BOGO 50% off favorites!
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Whey Protein Isolate Powder – Strawberry (1.36 lbs./25 Servings)
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$59.99

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ISO100 Hydrolyzed 100% Whey Protein Isolate - Fudge Brownie (5 Lbs. / 70 Servings)
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$149.99

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Zero Carb 100% Whey Protein Isolate - Unflavored (4.5 Lbs. /70 Servings)
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$139.99

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CBUM Series Itholate Protein Powder - Vanilla Oatmeal Cookie (5 lbs./73 Servings)
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$99.99

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Zero Carb 100% Whey Protein Isolate - Creamy Vanilla (4.66 Lbs. /66 servings)
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$139.99

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Grass Fed Whey Protein Isolate Powder - Peanut Butter (31 oz./25 Servings)
(19)
$27.53
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CBUM Series Itholate Protein Powder - Cinnamon Crunch Cereal (5 lbs./73 Servings)
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$75.05
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GLP-1 Support Protein Powder - Chocolate (2.5 lbs./25 Servings)
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$24.98
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Grass Fed Whey Protein - Chocolate Peanut Butter (36 Oz. / 30 Servings)
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$51.99
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GHOST Whey Protein - CHIPS AHOY (2.2 Lbs. / 26 Servings)
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$54.99

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GHOST Whey Protein - Nutter Butter (2.4 Lbs. / 26 Servings)
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$54.99

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Grass Fed Whey Protein - Coconut Cream (36 Oz. / 30 Servings)
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$51.99
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GHOST Whey Protein - OREO (2.2 Lbs. / 26 Servings)
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$54.99

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100% Grass Fed Whey Protein - Cake Batter (36 Oz. / 30 Servings)
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$51.99
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Xtend EAAs - Essential Amino Acids to Support Muscle Recovery + Growth - Mango (11.6 oz. / 40 Servings)
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$33.07

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Citrulline Malate Powder – 2:1 Ratio – Enhances Nitric Oxide Production – Unflavored (21.1 oz./100 Servings)
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$29.99

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OxyWhey Daily Lean Whey Protein - Cinnamon Cookie Butter (1.87 Lbs. / 25 Servings)
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$49.95

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Clear Whey Isolate Protein Powder with Electrolytes - Lemon Lime (16 Oz. / 16 Servings)
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$20.03
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Plant Protein Gainer – NSF Certified – Vanilla (4.86 lbs./16 Servings)
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$57.95

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Find Build Muscle for Adults at The Vitamin Shoppe Store Near You

There are more than 600 The Vitamin Shoppe® stores across the US, so it's very likely you can pop in and find Build Muscle for Adults locally. Check out our store locator to find a Shoppe near you. Don’t forget—you’ll save at least 15% on every subscription with Auto Delivery, plus an addition 5% off select brands to help you stay on the path. Not only will you never miss a thing, but you’ll also get free shipping on subscription refills of $25 or more!* You define what better looks (and feels) like—Count on us to help you get there.


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    Shop with confidence with our Easy Returns Policy. Customers may return any opened or unopened merchandise purchased from any Vitamin Shoppe channel to any Vitamin Shoppe store within 30 days. Find more at our full Returns Policy page.

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