5, 10, or 20 Fitness Classes at GB Training Center (Up to 60% Off)

Lake Orion

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Up to 60% Off

Customer Reviews

12 Ratings

Great class. Always different and fun and hard.
Shelly B. · April 28, 2016

What You'll Get


After purchasing this deal, you will need to visit the website listed on your Groupon voucher to complete redemption.


Choose from Three Options

  • $30 for 5 fitness classes ($75 value)
  • $65 for 10 fitness classes ($150 value)
  • $120 for 20 fitness classes ($300 value)

For a schedule of classes, click here.

Electrolytes: Keeping the Body Charged

You may hear your fellow gym-goers chatting about electrolytes. Read on to learn how these chemicals can complement your workout.

Scan the neon label of a sports-drink bottle, and you’re likely to see it boasting about its electrolytes. Behind that zippy term lies a list of elements you’ve probably heard of: sodium, chlorine, potassium, calcium, and magnesium are all among the most common electrolytes and the least common baby names. An electrolyte is simply any ion (that is, an electrically charged atom or molecule) that can allow electrical signals and water to travel through the many permeable cells in your body. Fortunately, our bodies typically maintain their electrolyte balance through normal dietary intake; table salt, for instance, is made up of sodium and chlorine ions.

Why, then, would electrolytes be important to athletes? With each liter of sweat, about 1.5 grams of electrolytes escape through the pores. This means that if you’re sweating copiously and drinking only water to compensate, you can effectively dilute your internal electrolytes. This can lead to such conditions as hyponatremia, wherein your body has a lower-than-normal concentration of sodium ions, which can produce symptoms including nausea, confusion, and muscle spasms. This can be a real risk for marathon runners and other endurance athletes. But for anyone working out for just an hour a day, nutritionists agree that you most likely don’t need to worry about electrolytes—staying hydrated, eating well, and staring at a photo of a big, shiny trophy is typically enough to give your body the power it needs.

The Fine Print


Promotional value expires 120 days after purchase. Amount paid never expires. Not valid for clients active within the past 6 months. Limit 1 per person, may buy 1 additional as gift. Limit 1 per visit. Must use promotional value in 1 visit. May redeem across visits. Valid only for option purchased. All goods or services must be used by the same person. Online registration required. No walk-ins, must sign up for classes prior to arrival. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About GB Training Center


By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.