Capitol Nutrition

Capitol Nutrition Since 1999 Capitol Nutrition has been here to help our great customers reach their health and fitness goals.

We appreciate our customers greatly and understand that without them we could not do what we love. Your source in Naperville, Illinois for all the top brands of discount bodybuilding supplements, weight loss nutrition, protein (whey, egg, casein, bars, powders…) and vitamins. Let one of our experienced employees help you to find the right supplements for your goals.

Capitol Nutrition Demo Table at CFX Tinley Park FREE SAMPLES 💪
09/04/2025

Capitol Nutrition Demo Table at CFX Tinley Park
FREE SAMPLES 💪

The 20% off Labor Day Sale has begun! Almost everything storewide is now 20% off. Prohormones, fat burners, pre-workouts...
08/29/2025

The 20% off Labor Day Sale has begun! Almost everything storewide is now 20% off. Prohormones, fat burners, pre-workouts, proteins, vitamins and more! Stop into anyone of our locations Friday through Sunday!

Capitol Nutrition Demo Table at CFX Tinley Park Free Samples 💪
08/28/2025

Capitol Nutrition Demo Table at CFX Tinley Park
Free Samples 💪

08/21/2025
August 15th, starting at 3pm at our Capitol Nutrition Mokena & Orland Park locations! $1.00 A.I. & 3D Energy Drinks. Thr...
08/15/2025

August 15th, starting at 3pm at our Capitol Nutrition Mokena & Orland Park locations! $1.00 A.I. & 3D Energy Drinks. Thru Sunday, Aug 17th at Closing or While supplies last.

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Capitol Nutrition Demo Table at CFX Tinley Park
08/14/2025

Capitol Nutrition Demo Table at CFX Tinley Park

Address

2728 West 75th Street
Naperville, IL
60564

Opening Hours

Monday 10am - 6pm
Tuesday 10am - 6pm
Wednesday 10am - 6pm
Thursday 10am - 6pm
Friday 10am - 6pm
Saturday 10am - 6pm
Sunday 10am - 6pm

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Our Story

Here at Capitol Nutrition in Naperville, IL our credibility is built upon helping others achieve their ultimate end goal; rather it’s living an all around healthy lifestyle aimed towards longevity and functional health all the way to packing on as much lean muscle tissue you possibly can / maximizing your physical performance and output in the gym.

We are not incentivized to push a specific brand of product - unlike most companies worried about pushing their house brand, we DO NOT have a house brand. A dollar is a dollar to us they are all the same, but our customers are one to none.