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Adequate B12 levels can promote better sleep quality by regulating sleep cycles
I would recommend coming to the Saugus location
Here's something the internet won't tell you when it sells you research-grade powder: with an unregulated compound, what's in the bottle matters as much as the molecule itself
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if you don't have one, a sturdy plastic jug with a screw-on lid (an empty laundry detergent bottle is the classic example) will do in a pinch
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