• Science

    Ask Surly Amy: Prenatal Vitamins and Isotonicity

    Surly Amy, I’m thinking about pregnancy, so my nutritionist suggested I start on prenatal vitamins. Well, that part I’m not skeptical about. But then she went on to say I should buy powdered vitamins that you mix with water, because then that mixture is “isotonic with your body’s internal pressure” and so “you absorb 100% of the nutrients.” This set…

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