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Tips for choosing vitamin products.
Remind you whether the product packaging is complete, whether the name and address of the manufacturer are marked, and how long the shelf life is. 2 1 Jin Weita, Yangshengtang, vitamins, Jin Erkang, Shancun, and Amway Nutrilite are well known. You can look at the list of brands of vitamins bought online by China brands and compare them.