Karlie Kloss's Must-Have Products
Karlie Kloss's Must Haves: From a Memory Supplement to a Headspace Subscription
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For optimal rest, Kloss loves incorporating this Thorne Magnesium Bisglycinate ($48) supplement into her nighttime routine.
Pro Tip: For best results, mix one scoop of the powder with eight ounces of water and drink daily just before bedtime.