When should you take Metamucil morning or night?

Any time of day is appropriate to take Metamucil as long as an adequate intake of fluids (at least 240 mL of water or liquid per serving) is consumed. We recommend taking Metamucil three times per day at mealtimes as a convenient way to get the benefits of Metamucil.

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Is it better to take fiber in the morning or at night?

If you’re taking more than that per day, you’ll want to split up the dosage into morning and evening doses. Fiber is another nutrient you’ll want to take apart from other supplements and medications, because it interferes with absorption. I recommend doing so before bed if you aren’t taking anything else at that time.