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Beyond research summary

A label reference. Not an absorption score.

U.S. Food and Drug Administration · Daily Value on the Nutrition and Supplement Facts Labels

Agency education · nutrition labeling

An original Beyond research note—not the original publication, a patient recommendation or an agency endorsement.

The question

The FDA resource helps people understand the Daily Value and the percentage shown on nutrition and supplement labels. A common reference makes amounts easier to compare across foods and supplements.

How they approached it

The page explains a labeling convention. The %DV compares the nutrient amount in a serving with the applicable Daily Value. It is not an experiment that follows nutrients through digestion, and it is not a personalized prescription.

What was measured?

The relevant quantity is nutrient content per serving expressed relative to a label reference. Neither the milligram amount nor %DV measures intestinal uptake. A label can show 100% Daily Value without demonstrating that the body absorbs all of the nutrient in that serving.

What the resource explains

Daily Values help put nutrient amounts in context. They let readers compare labeled servings, provided they check serving size and the amount actually consumed. Individual requirements vary with age, life stage and health context; a standardized label is not a complete assessment of those needs.

What we can conclude

Use %DV to understand content. Use appropriate scientific evidence to understand absorption. Those are different jobs, and a useful label reference should not be asked to do both.

Where the limits sit

This resource does not test a particular iron formulation, establish its tolerability or verify a comparative bioavailability claim. It also does not provide individual advice about whether to take iron. FDA labeling information is not FDA approval of Beyond Iron+.

Relevance to Beyond

A hypothesis, read in context.

Our packaging examples begin here: what a serving contains is only part of the nutrient-delivery question. Beyond’s phosphopeptide research concerns what may happen after ingestion; that hypothesis needs its own evidence beyond the label’s nutrient quantity.

Source & bibliography

The original belongs to its publisher.

U.S. Food and Drug Administration. Daily Value on the Nutrition and Supplement Facts Labels. Official FDA consumer information.

Official agency webpage · ongoing public resource

This page contains Beyond’s original interpretation only. The publication or agency resource is not hosted or reproduced here. Access to the original may depend on the publisher.

Read official guidance (opens in a new tab)

Keep exploring

Different sources. Different questions.

Authoritative review · nutrition and clinical context

Research note: NIH ODS · iron in context

Agency guidance · advertising substantiation

Research note: FTC · evidence behind health claims
Back to the evidence register