Try doing a search on lava salts.

Another option are Succeed tablets...one of the local stores here carries them. But here's an online option for them.

http://www.ultrafit-endurance.com/succeedcaps.html

I bought mine at Walgreens

I tried Wal-Greens yesterday and they didn't have them. Found some at a local "compounding" pharmacy. Bought their last bottle of Thermotabs.

I have been using Endurolytes from the hammer gel folks. It is quick and easy to order online, and I love the Hammer products.

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David
* Ironman for Life! (Blog) * IM Everyday Hero Video * Daggett Shuler Law *
Disclaimer: I have personal and professional relationships with many athletes, vendors, and organizations in the triathlon world.