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Displaying reviews 1-2 Pros
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Comments about GNC Biotin 5000, Capsules, 240 ea: I find it is a great help with keeping my nails strong and preventing splitting and breakage that seems to have become a problem as I am no longer in my 30's. Pros
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Comments about GNC Biotin 5000, Capsules, 240 ea: So far so good. Best Product reviewed for thinning hair and chipping nails. Over time results happen. Displaying reviews 1-2 ![]() |