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Science-backed dietary guidelines articles and practical guides from NutriFactx.
FeaturedMost people think they're eating enough fiber. Almost nobody actually is. Here's the real daily target by age and sex, why over 90% of adults fall short, and how to close the gap without upsetting your gut.
FeaturedThe number on the back of your protein bar isn't wrong; it's just outdated. Here's how much protein you actually need, according to the newly updated 2026 federal guidelines, and why most of us have been underestimating it for years.