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Skin, hair, nails TREC NUTRITION

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Questions and answers

How do I compare collagen powders, capsules and drinks?
Check the collagen source, amount per recommended serving and additional ingredients. Drink volume or powder weight does not equal collagen content.
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What should I check in a biotin complex?
Check biotin per recommended serving and other vitamins or minerals. A biotin product can be a single supplement or a multi-ingredient complex.
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