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Groupon has Cellucor C4 Pre-Workout Supplement (30 Servings) on sale for $ 19.99 ($ 2 OFF). Combine with 10% OFF promo code: DIVE and get (2) for $ 37.98 with free shipping. Don’t forget to use cash back sites as well (6%).

https://www.groupon.com/deals/gg-…0-servings

Note: The 10% only works on one item, not both, so it saves an additional $ 2, not $ 4 but, by buying (2) you qualify for free shipping which otherwise is $ 4.

Not the best deal ever but you get can get two different flavors rather than 60 servings of one.