PlainVitamins

Chitosan 500 mg

by PhysioLogics · tablet or pill · 120 tablets

  • Off the market since March 2016 (NIH)
  • UPC 7 16963 04942 9
  • DSLD label 56510
  • Serving 2 tablets
  • 60 servings

Chitosan 500 mg by PhysioLogics lists 3 ingredients, 3 with an amount per serving of 2 tablets, such as 200 mg of calcium, 155 mg of phosphorus and 1,000 mg of chitosan, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on February 23, 2016.

What is in Chitosan 500 mg?

Each row as the label prints it, per serving of 2 tablets. 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).

Chitosan 500 mg: Supplement Facts rows against the market (DSLD label 56510, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates1 g1%Carbohydrate in Chitosan 500 mg against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g). Per day at the most servings: 3 g.

Dietary Fiber1 g4%Fiber in Chitosan 500 mg against 6,987 products1 g per serving; the middle half of products list 1 g to 4 g, the median 2 g.1 g

56% of 6,987 products listing fiber give more (median 2 g). Per day at the most servings: 3 g.

Calcium200 mg20%Calcium in Chitosan 500 mg against 17,831 products200 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg200 mg

Higher than 64% of 17,831 products listing calcium (median 115 mg). Per day at the most servings: 600 mg.

Phosphorus155 mg16%Phosphorus in Chitosan 500 mg against 3,786 products155 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg155 mg

Higher than 69% of 3,786 products listing phosphorus (median 90 mg). Per day at the most servings: 465 mg.

ChitosanChitosan Note: 1 g1,000 mgChitosan in Chitosan 500 mg against 77 products1 g per serving; the middle half of products list 0.45 g to 1 g, the median 1 g.1 g

10% of 77 products listing chitosan give more (median 1 g). Per day at the most servings: 3 g.

Source: NIH ODS Dietary Supplement Label Database, label 56510 (entered February 23, 2016), version 9.4.0. See the label on DSLD. 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 3 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?

5 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
Use this product as an addition to your reduced-calorie diet and daily exercise program. It is important to drink at least 6-8 cups of water daily when increasing your fiber intake.
Directions: For adults, take two (2) tablets three times daily, 30-60 minutes before breakfast, lunch and dinner with 8 ounces of water or follow the advice of your health care professional.
Warnings
As a reminder, discuss the supplements and medications you take with your health care providers.
WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use.
Discontinue use and consult your doctor if any adverse reactions occur.
TAMPER RESISTANT: Do not use if seal under cap is broken or missing.
KEEP OUT OF REACH OF CHILDREN.
Contains shellfish (crab) ingredients.
Allergens and what it does not contain
FREE OF: artificial color, artificial flavor, artificial sweetener, preservatives, sugar, starch, milk, lactose, soy, gluten, wheat, yeast, sodium.
Storage
Store at room temperature and avoid excessive heat.

Source: label statements in DSLD label 56510.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Cellulose, Hypromellose, Croscarmellose, Contains Less Than 2% of.

How many labels does Chitosan 500 mg have?

One label is on file, entered on February 23, 2016.

  1. Label 56510 (current) Entered February 23, 2016 · off the market March 1, 2016 · 120 tablets · UPC 7 16963 04942 9

DSLD also links this label to: Chitosan Natural Marine Fiber 500 mg (image difference, same product), Chitosan Natural Marine Fiber 500 mg (image difference, same product).

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names PhysioLogics, LLC (manufacturer), Ronkonkoma, NY, U.S.A.. All PhysioLogics products.

Where next?