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iHerb Customer Reviews



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  • This product used to be sold under the brand name "Biotech". It is now sold under the brand name "Natrol".

  • Reviews | English
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    hair regrowth formula

    Posted by Reviewer2891508 on Jan 27, 2011

    I see no evidence of any hair growth and I have been taking these tablets for many months.

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    It has side effects

    Posted by Reviewer2525620 on Sep 15, 2014

    It works on my hair loss but this product has side effects. I experienced muscle weakness and fatigue. I feel tired the entire day and I couldn't get up from my bed in the morning. After I stopped taking the tablets I regained my normal energy and strength. Will never buy this product again. I suggest to take Neocell, Super Collagen+C, Type 1 & 3. It works well for hair loss problems without side effects.

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