"My mom took CS for almost 3 years. She took it based on forums like this. She now has a greyish tint below her eyes and face that was caused by the CS.
Watch out for it."
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Thanks, but you must know that all CS isn't made the same, nor is it the same strength. Also depends on how much you take daily.
Without all the above facts it is like saying all water is bad just because somebody got Montezuma's revenge from drinking water in Mexico.