PlainVitamins

Huang Bo

by Hawaii Pharm · liquid · 4 fluid ounces

  • On the market (NIH)
  • UPC 8 40253 62827 5
  • DSLD label 301688
  • Serving 0.7 to 1 ml (20-30 drops); amounts per 1 ml
  • 120 servings

Huang Bo by Hawaii Pharm lists one ingredient: 983 mg of phellodendron chinense bark extract, dry per serving of 1 ml. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2023.

What is in Huang Bo?

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).

Huang Bo: Supplement Facts rows against the market (DSLD label 301688, January 2026 release)
IngredientAmount% DVAmong products listing it
Phellodendron chinense Bark Extract, DryHuang Bo, Extraction rate: about 1/3-4 (up to 333 mg of dry raw material per 1 ml of extract).983 mgPhellodendron in Huang Bo against 52 products983 mg per serving; the middle half of products list 100 mg to 162.5 mg, the median 100 mg.983 mg

Higher than 90% of 52 products listing phellodendron (median 100 mg). Per day at the most servings: 3,932 mg.

Source: NIH ODS Dietary Supplement Label Database, label 301688 (entered October 24, 2023), 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 983 mg of phellodendron is higher than 90% of the 52 phellodendron products that print an amount; 4 list more.

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?

4 products list the very same ingredients; the nearest amounts come first.

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 some juice or water, up to 4 times a day.
Warnings
Warning: 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.
May affect the ability to drive and operate machinery. May have contraindications, can cause side effects and adverse reactions. Do not use if seal is broken or missing.
Keep out of the reach of children!
Allergens and what it does not contain
All the raw materials are gluten-free by their nature No artificial colors, flavors, or preservatives
Storage
Store in a cool dry place.

Source: label statements in DSLD label 301688.

What else is on the label?

Other ingredients: Alcohol, Water, Glycerin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): cGMP Made in compliance with cGMP 21 CFR 111 in an FDA registered and inspected facility; Organic Alcohol Based USA Made in United States of America.

How many labels does Huang Bo have?

2 labels are on file under this name since May 24, 2023: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 301688 (current) Entered October 24, 2023 · on the market · 4 fluid ounces · UPC 8 40253 62827 5
  2. Label 292802 Entered May 24, 2023 · off the market March 10, 2023 · 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.

Where next?