Hist-D
by Adaptogen Research · capsule · 60 vegetarian capsules
- On the market (NIH)
- UPC 7 22537 50169 9
- DSLD label 307150
- Serving 1 to 2 capsules; amounts per 2 capsules
- 30 servings
Hist-D by Adaptogen Research lists one ingredient: 600 mcg of diamine oxidase per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on February 22, 2024.
What is in Hist-D?
Each row as the label prints it, per serving of 2 capsules. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Diamine Oxidaseas Porcine Kidney Protein Concentrate20,000 HDU | 600 mcg |
Source: NIH ODS Dietary Supplement Label Database, label 307150 (entered February 22, 2024), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
1 product lists the very same ingredients; the nearest amounts come first.
- NaturDAO 1,000,000 HDUNaturdao same ingredients
- HistDAOXYMOGEN EP 1 shared, 84% alike
- Histamine SupportVillage Vitality · off the market 1 shared, 84% alike
- DAO Histaminase With BioflavonoidsAllergy Research Group 1 shared, 54% alike
- DAO Histamine Digester with BioflavonoidsNutriCology 1 shared, 54% alike
- HistDAOXYMOGEN 1 shared, 45% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Directions: Take one to two capsules no more than 15 minutes before the consumption of histamine-rich foods, or take as directed by your healthcare professional.
- Warnings
- Consult your healthcare professional prior to use. Do not use if tamper seal is damaged.
- Individuals taking medication should discuss potential interactions with their healthcare professional.
- Avoid if allergic to pork or any other ingredient. Hist-D is not effective for symptoms of immune-related food allergies, such as peanuts, shellfish, etc., or for gluten intolerance due to sensitivity or celiac disease.
- Hist-D does not manage or address antibody-related or IgE-related food allergies.
- Professional use only
- Report any adverse reaction to adaptogenresearch.com
- Allergens and what it does not contain
- Formulated to exclude: wheat, gluten, yeast, soy, dairy products, fish, shellfish, peanuts, tree nuts, egg, artificial colors, artificial sweeteners, and artificial preservatives. Made with Non-GMO ingredients Does not contain gluten
- Storage
- Storage: Keep closed in a cool, dry place out of reach of children.
Source: label statements in DSLD label 307150.
What else is on the label?
Other ingredients: Microcrystalline Cellulose, Hydroxypropyl Methylcellulose, Sucrose, Ascorbic Acid, Rice Starch, Shellac, Hydroxypropyl Cellulose, Polyvinylpolypyrrolidone, Magnesium Silicate, Hydrated, Acetylated Corn Starch, Sodium Carboxymethyclellose, Glycerol.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Vegetarian Formula Made with Non-GMO ingredients; Guaranteed GMP Compliant Products.
How many labels does Hist-D have?
One label is on file, entered on February 22, 2024.
- Label 307150 (current) Entered February 22, 2024 · on the market · 60 vegetarian capsules · UPC 7 22537 50169 9
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Adaptogen Research (distributor), Newark, DE. All Adaptogen Research products.