Big Daddy's Nutrition will be closed until further notice. No purchases can be made at this time.
LOCATION: 711 East Lancaster Ave,
Downingtown, PA 19335

About Us

Big Daddy – Nutrition is the best overall choice to anyone that wants to gain muscle, lose weight, kids health, senior health, preventative health, or just a healthier lifestyle.

Big Daddy’s Nutrition of Exton, PA is the best online nutrition store for anyone in West Chester, Downingtown, or another area of Chester County that wants to gain muscle, lose weight, or simply maintain a healthier lifestyle. We provide a wide range of vitamins, supplements, and more for people of all ages looking to get in better shape.

Big Daddy’s Nutrition is owned and operated by athlete, mixed martial artist, and certified nutritional coach Brian Harris, who has decades of experience in the fitness industry. He is more than happy to assist you with nutrition planning. He can design a custom meal plan to aid your mass- and muscle-gaining or diet and weight loss efforts, and recommend the proper supplements and vitamins that you’ll need to achieve the healthy lifestyle you seek.

Whether you have basic nutrition and supplement needs, or you are training for a highly-competitive event, you can find what you’re looking for at Big Daddy’s online nutrition store, while West Chester and Downingtown residents are encouraged to visit our store in person! From average Joes to professional athletes, we can help anyone looking to improve their lifestyle by developing a custom, personalized plan. 

At Big Daddy’s Nutrition, we only carry the highest-quality supplements, including all-natural, organic, non-GMO, and gluten-free varieties. We supply more than 300 products at our location, which come in an abundance of flavors, of which Brian has sampled each and every one! You name it; we have it in our online nutrition store. Our products are backed by science, with thorough and proven results, to ensure you make the maximum gains possible without wasting money on products that don’t work.

Our team sets itself apart from other vitamin and supplement stores by giving you the one-on-one attention you need to achieve your goals. As a team that cares about your progress and your results, we work with you to find the perfect combination of vitamins, nutrients, and supplements without pressuring you to use any products you don’t want.

As leaders in the nutritional health industry, Brian and the rest of our team want you to make lasting improvements to your lifestyle. Stop in our vitamin store in Chester County, PA to learn how Big Daddy’s Nutrition can help you achieve the results you want, and while you’re there, ask about and our In-Body machine to get your free body analysis today!


Products with scientific studies behind them and proven results.
In-house Nutritionist to ensure you're getting only what you need.
From basic needs to Pro Athletes, we have everything you need for a better lifstyle.

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