NeverSecond - S200 Sodium Booster
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Every brand fits a little differently. Use the official size guides below, or stop by Pace House to try things on. We're happy to help you find the right fit: 2452 Sutherland Ave., Knoxville · Mon–Sat 10am–6pm · 865-851-7874.
Apparel size guides
- rabbit: rabbit size chart
- Janji: Women's fit guide · Men's fit guide
- lululemon: Women's size guide · Men's size guide
- Oiselle: Sports bra sizing guide. For other styles, see the size chart on each product at oiselle.com.
- Vuori: see the size guide on each product at vuori.com.
Other brands
For The Long Run (TLR), Bound Running Co., and our other brands, give us a call or come by the shop. We'll help you size up in person.
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S200 Sodium Booster is a concentrated sodium supplement designed to help endurance athletes precisely adjust sodium intake based on sweat rate, exercise duration, and environmental conditions. Each capful provides 200mg of sodium from trisodium citrate, allowing athletes to increase electrolyte intake without adding additional carbohydrate. S200 integrates seamlessly with Neversecond C30 Sports Drink and C90 High Carb Drink Mix, making it easy to build a personalized hydration and fueling strategy. Ideal for cycling, running, triathlon, and Hyrox, S200 supports fluid absorption, hydration, and electrolyte replacement during training and racing.
Shipping & Returns
Shipping & Returns
Free shipping on U.S. orders $150+. Prefer to shop local? Visit us at Pace House, 2452 Sutherland Ave., Knoxville.
See our refund policy for returns and exchanges.

