Skip to main content

Allergy Research Group · Non-Nutrient/Non-Botanical supplement

DAO Histaminase With Bioflavonoids

15 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.

15
Ingredients
6
Nutrient categories
Top 26%
By ingredient count

DAO Histaminase With Bioflavonoids is a non-nutrient/non-botanical supplement by Allergy Research Group in capsule form, listing 15 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.

Product Details

Form
Capsule
Database Entry Date
2016-01-25
Ingredients
15

Supplement Facts (15 Ingredients)

Ingredient Group Amount % DV
Diamine Oxidase Diamine Oxidase Not disclosed on label No DV
Rutin Rutin Not disclosed on label No DV
Quercetin Quercetin Not disclosed on label No DV
Hydroxypropyl Methylcellulose Hypromellose Not disclosed on label No DV
Microcrystalline Cellulose Cellulose Not disclosed on label No DV
Sucrose Sucrose Not disclosed on label No DV
Rice Starch Starch Not disclosed on label No DV
Shellac Shellac Not disclosed on label No DV
Hydroxypropylcellulose Hypromellose Not disclosed on label No DV
Polyvinylpolypyrrolidone Crospovidone Not disclosed on label No DV
Talc Magnesium Silicate Not disclosed on label No DV
Corn Starch Starch Not disclosed on label No DV
Carboxymethylcellulose Carboxy Methyl Cellulose Not disclosed on label No DV
Glycerol Glycerol Not disclosed on label No DV
L-Leucine Leucine Not disclosed on label No DV

How does DAO Histaminase With Bioflavonoids compare?

Ingredients listed on each label, against the non-nutrient/non-botanical category average of 6.9. Data from the NIH DSLD.

DAO Histaminase With Bioflavonoids15
1 Andro Stenelone9
Non-Nutrient/Non-Botanical average6.9

DAO Histaminase With Bioflavonoids lists 6 ingredients more than 1 Andro Stenelone. That is 8 above the non-nutrient/non-botanical average.

What the Label Data Shows

DAO Histaminase With Bioflavonoids is cataloged in the NIH Dietary Supplement Label Database (DSLD) as a non-nutrient/non-botanical supplement built from 15 ingredients from Allergy Research Group, sold in capsule form. These ingredients span 6 nutrient categories, other, non-nutrient/non-botanical, complex carbohydrate, enzyme, and 2 more, reflecting a multi-component formula rather than a single-nutrient product.

Across a broader 15-ingredient formula, 15 of 15 fall outside the FDA's Daily Value system altogether, expected for a broader formula -- the more ingredients a label lists, the more likely it accumulates botanicals, amino acids, or specialty compounds the FDA has never benchmarked.

A product's market status is worth checking before relying on this label. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2016-01-25. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved.

About the DSLD database

The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for DAO Histaminase With Bioflavonoids: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.

Ingredient Breakdown by Category

other
8
Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, Shellac, +5 more
non-nutrient/non-botanical
2
Rutin, Quercetin
complex carbohydrate
2
Rice Starch, Corn Starch
enzyme
1
Diamine Oxidase
sugar
1
Sucrose
amino acid
1
L-Leucine

Daily Value Coverage

0
Above 100% DV
0
Below 100% DV
15
No DV Established

Frequently Asked Questions

What ingredients are in DAO Histaminase With Bioflavonoids?
DAO Histaminase With Bioflavonoids contains 15 ingredients. Ingredients span 6 categories: other, non-nutrient/non-botanical, complex carbohydrate, enzyme, sugar, amino acid.
Who manufactures DAO Histaminase With Bioflavonoids?
DAO Histaminase With Bioflavonoids is was manufactured by Allergy Research Group. It is classified as a Non-Nutrient/Non-Botanical supplement in capsule form.
Is DAO Histaminase With Bioflavonoids still available for purchase?
According to the NIH DSLD database, DAO Histaminase With Bioflavonoids is listed as off-market and may no longer be available for purchase.
What is the serving size of DAO Histaminase With Bioflavonoids?
The serving size is not specified.
What type of supplement is DAO Histaminase With Bioflavonoids?
DAO Histaminase With Bioflavonoids is classified as a "Non-Nutrient/Non-Botanical" supplement in the NIH database. This category includes products primarily composed of non-nutrient/non-botanical ingredients. DSLD sorts every supplement into one of 9 categories overall: Vitamin, Mineral, Botanical, Amino Acid & Protein, Non-Nutrient, Fat & Fatty Acid, Multi-Vitamin & Mineral, Botanical with Nutrients, or Other Combinations.
Data Sources & Methodology

Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).

Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.

Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.

Disclaimer, Not Medical Advice

Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.