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Why Probiotics Have Never Had an FDA Daily Value

Written and checked by the Sodatide Editorial DeskRevised October 1, 202610 min read

Quick answer

The Sodatide Supplement Facts panel marks all three of its active ingredients — chicory root inulin, potato resistant starch, and the probiotic blend — with a dagger meaning "Daily Value Not Established." For the two fibers, that is partly a labeling-format detail, since this label does not declare a combined "Dietary Fiber" line, which is the category that does have a federal Daily Value. For the probiotic blend, the dagger reflects something broader: the FDA has never established a Daily Value, Recommended Dietary Allowance, or Adequate Intake for live microorganisms as a category, the way it has for vitamins, minerals and total dietary fiber.

The label

What exactly does the dagger on the Sodatide label mean?

The Supplement Facts panel lists three active ingredients, each followed by a dagger (†) instead of a percentage in the "% Daily Value" column:

Chicory root inulin: 211 mg — †
Potato resistant starch: 100 mg — †
Probiotic blend (3 strains): 36 mg — †
Footnote: † Daily Value Not Established

That footnote is standard supplement-label language, and it appears on a very large share of supplement panels, not just this one. The full transcription of the panel is on the Sodatide Supplement Facts page.

The basics

What is a Daily Value, and who sets it?

A Daily Value (DV) is a federal reference amount the FDA publishes for certain nutrients, used to calculate the percentage figures on Nutrition Facts and Supplement Facts panels. The list of nutrients with an established DV, and the amount set for each, is codified in FDA regulation at 21 CFR 101.9, and the agency updated the list in 2016 as part of a broader overhaul of the Nutrition Facts label (FDA). The reference amounts themselves are generally based on Dietary Reference Intake values developed through the National Academies' nutrition science process, which covers vitamins, minerals and macronutrients such as protein, fat, carbohydrate and fiber.

Crucially, that DRI process is built around nutrients the body needs in defined amounts; it was not designed to evaluate bacterial strains as a nutrient category at all.

What does have a DV

Which nutrients do have an established Daily Value?

The FDA's Daily Value list covers a long roster of vitamins (such as vitamin C, vitamin D and the B-vitamins) and minerals (such as calcium, iron and magnesium), each with its own reference amount. It also covers several macronutrients, including total fat, saturated fat, cholesterol, sodium, total carbohydrate, and — this is the detail most relevant here — dietary fiber as a whole category, set at 28 grams based on a 2,000-calorie diet in the 2016 update.

So fiber, as a general nutrient, does have a federal Daily Value. The dagger next to chicory root inulin and potato resistant starch on this label is not because fiber lacks a DV altogether; it is because of how this particular label is structured, which the next section covers.

Why this label differs

Why do the two fibers still show no %DV on this label?

The 28-gram Daily Value for fiber applies to a "Dietary Fiber" line item, the kind that appears on a food Nutrition Facts panel or on a supplement panel that chooses to declare its fiber content that way. The Sodatide Supplement Facts panel does not use a "Dietary Fiber" line; it lists the two fiber sources by their specific botanical names and amounts instead — "Chicory Root Inulin (Cichorium intybus) (root)" and "Potato [Resistant Starch] (tuber)." Labeling named botanical ingredients this way is common and permitted, but it means neither line is being compared against the 28 g Dietary Fiber benchmark, so the %DV column stays blank with a dagger for both.

In short: dietary fiber as a nutrient category has a Daily Value. These two named ingredients, as declared on this specific label, are not being measured against it.

The probiotic question

Why have probiotics never had a Daily Value at all?

This is where the probiotic blend differs from the fibers in a more fundamental way. Unlike dietary fiber, no Daily Value, Recommended Dietary Allowance, or Adequate Intake has ever been established for live microorganisms as a nutrient category, by the FDA or by the National Academies' Dietary Reference Intake process. Probiotics are not classified or regulated the same way vitamins and minerals are; the NIH Office of Dietary Supplements notes that probiotic products are regulated as foods, dietary supplements or drugs depending on how they are marketed, rather than evaluated against a nutrient reference intake (NIH ODS).

Part of the reason is practical: a Daily Value assumes a single, consistent unit of measurement across products, the way "28 g of fiber" or "2,000 mg of calcium" works. Probiotics are not one substance; they are many different bacterial species and strains, each studied at its own specific dose, usually measured in colony-forming units (CFU) rather than weight. A single federal reference amount would have to apply equally to strains with very different research bases, which the regulatory and scientific process has not attempted to standardize into one number.

Practical impact

What does this mean for comparing probiotic products by their label?

Without a Daily Value, there is no federal percentage figure that lets you compare one probiotic product against another the way you can compare two brands' vitamin C content. The most useful comparison tool for probiotics is the CFU count tied to a specific, named strain and the dose used in its own published research — not a percentage on the label. The Sodatide label lists three named strains in its 36 mg blend but does not publish a CFU count for any of them, which is covered in more detail in the Akkermansia research review on this site.

That gap is not unique to this product. Because no federal benchmark exists for probiotics, a missing CFU count on any probiotic label removes the one piece of information — strain-specific dose — that would let a reader connect the product to its supporting research.

Side by side

Nutrient category vs. Daily Value status, side by side

How different nutrient categories are treated under current FDA Daily Value rules

Category	Daily Value established?	On this label
Vitamins (e.g. vitamin C, vitamin D)	Yes, under 21 CFR 101.9	Not an ingredient in this formula
Minerals (e.g. calcium, iron)	Yes, under 21 CFR 101.9	Not an ingredient in this formula
Dietary fiber (as a declared category)	Yes — 28 g	Not declared as a "Dietary Fiber" line on this panel
Chicory root inulin / resistant starch (named ingredients)	No — not benchmarked this way on this panel	Dagger, no %DV
Live microorganisms / probiotics (as a category)	No — never established for any strain	Dagger, no %DV

Honest limits

What the dagger does not mean

A dagger and a blank %DV column are not a safety flag, and they are not evidence that an ingredient is weak or ineffective. They mean exactly what the footnote says: no federal Daily Value exists to measure that line item against. For dietary fiber generally, a Daily Value exists but this label's named-ingredient format does not invoke it. For probiotics specifically, no Daily Value has ever existed for any brand's label to invoke, which is a regulatory gap that applies across the entire probiotic supplement category, not something particular to Sodatide. For the rest of what this label discloses and omits, see the Sodatide Supplement Facts page.

Reader questions

Daily Value questions

What does the dagger (†) mean on the Sodatide Supplement Facts panel?

It means "Daily Value Not Established" for that line. It appears next to all three active ingredients: chicory root inulin, potato resistant starch, and the probiotic blend.

Does dietary fiber have an FDA Daily Value?

Yes, as a general nutrient category, dietary fiber's Daily Value is 28 grams based on a 2,000-calorie diet, set under 21 CFR 101.9. This label does not declare a "Dietary Fiber" line, so that benchmark isn't applied to the named ingredients here.

Why don't chicory root inulin and resistant starch show a %DV then?

Because this label lists them as named botanical ingredients rather than as a combined "Dietary Fiber" line, so they are not being measured against fiber's 28 g Daily Value on this particular panel.

Has the FDA ever set a Daily Value for probiotics?

No. Unlike vitamins, minerals and dietary fiber, no Daily Value, Recommended Dietary Allowance, or Adequate Intake has ever been established for live microorganisms as a nutrient category.

Why haven't probiotics gotten a Daily Value, when vitamins have?

Probiotics aren't a single measurable substance; they're many different species and strains, typically studied individually at doses measured in colony-forming units rather than weight. The nutrient-reference-intake process that produces Daily Values was built for vitamins, minerals and macronutrients, not strain-specific microorganisms.

Does the missing Daily Value mean Sodatide's probiotic blend is unsafe?

No. A missing Daily Value reflects a regulatory gap that applies to the entire probiotic category, not a safety judgment about any specific product.

How can I compare probiotic products without a Daily Value to reference?

The most useful comparison is a strain-specific CFU count matched against that strain's own published research dose, rather than a percentage figure. This label does not publish a CFU count for its blend.

Could the FDA set a Daily Value for probiotics in the future?

It is possible in principle, since the FDA periodically revisits its Daily Value list, as it did in 2016. No such proposal for live microorganisms as a category has been established as of this writing, and the scientific challenge of defining one reference amount across many different species and strains would remain.

Is “Daily Value Not Established” the same footnote used for other novel ingredients?

Yes. The dagger and footnote are generic supplement-labeling language used whenever an ingredient is not benchmarked against the FDA's official Daily Value list, which is why it applies to the fibers and the probiotic blend on this label alike, for different underlying reasons.

Does “no Daily Value” mean the same thing as “not FDA approved”?

No, they are different statements. “Daily Value Not Established” is a labeling detail about a reference-intake benchmark. “Not FDA approved” is a separate, broader statement that applies to every dietary supplement, since the FDA does not approve supplements before they go on sale. The Sodatide label carries both kinds of disclosure independently, and reading them as two distinct facts rather than one combined warning avoids overstating or understating what either one means. A product can have an established Daily Value for some ingredients and still carry the general not-approved disclaimer, since the two facts answer different questions.

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