1 of 1 people found the following review helpful
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This review is from: Kirkland Signature Mucus Relief Chest Guaifenesin 400 mg Expectorant - 200 Im... (Health and Beauty)
I'd prefer the 12 hour formula, but I'm not willing to pay the cost difference. This is the same product much cheaper than I could find in any store by me. You just have to remember to take it more often. I appreciate the discount.