Hei Dou
by Hawaii Pharm · liquid · 4 fluid ounces
- On the market (NIH)
- UPC 0 840253 60
- DSLD label 331898
- Serving 0.17 to 1 ml (20-30 drops); amounts per 1 ml
- 120 servings
Hei Dou by Hawaii Pharm lists one ingredient: 983 mg of phaseolus vulgaris seed extract, dry per serving of 1 ml. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.
What is in Hei Dou?
Each row as the label prints it, per serving of 1 ml. 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 |
|---|---|---|---|
| Phaseolus vulgaris Seed Extract, DryHei Dou. Extraction rate: about 1/3-4. We used up to 333 mg of raw material to produce 1 ml of extract. | 983 mg | Higher than 61% of 208 products listing bean (median 500 mg). Per day at the most servings: 3,932 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 331898 (entered July 24, 2025), 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 1 to 4 servings 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?
6 products list the very same ingredients; the nearest amounts come first.
- Hei DouHerbal Terra same ingredients
- Starch/Carbo BlockerOL Olympian Labs same ingredients
- White Kidney Bean Extract 1000 mgHealthy Hope Supplements · off the market same ingredients
- White Kidney Bean ExtractBronson Laboratories same ingredients
- White Kidney Bean Extract 1000 MilligramsNutraBio same ingredients
- Phase 2 Carb Controller 500 mgSwanson Best Weight-Control Formulas · off the market same ingredients
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
- Suggested use: Shake well before using. For adults add about 20-30 drops (0.7-1 mL, one full squeeze of the dropper bulb) to 2-4 oz of juice or water, up to 4 times per day.
- Warnings
- Caution: We recommend to seek expert medical advice before taking.
- Do not use if you are allergic to any ingredients.
- Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications.
- Consult your physician before giving to children under 18, during pregnancy, if nursing or taking medications. Keep out of the reach of children.
- May affect the ability to drive and operate machinery. Do not use if seal is broken or missing. May have contraindications. Can cause side effects and adverse reactions.
- Allergens and what it does not contain
- All the raw materials are gluten-free by their nature Doesn't contain artificial colors, flavors, or preservatives
- Storage
- Store in a cool dry place.
Source: label statements in DSLD label 331898.
What else is on the label?
Other ingredients: Ethyl Alcohol, Water, Glycerin.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Not tested on animals USA Made in United States of America.
How many labels does Hei Dou have?
One label is on file, entered on July 24, 2025.
- Label 331898 (current) Entered July 24, 2025 · on the market · 4 fluid ounces · UPC 0 840253 60
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Hawaii Pharm LLC (manufacturer), Honolulu, HI. All Hawaii Pharm products.