PlainVitamins

Chitosan 250 mg

by Source Naturals · capsule · 240 capsules

  • On the market (NIH)
  • UPC 0 21078 00912 2
  • DSLD label 213692
  • Serving 1 to 4 capsules; amounts per 4 capsules
  • 60 servings

Chitosan 250 mg by Source Naturals lists one ingredient: 1 g of chitosan per serving of 4 capsules. Its current label entered the NIH Dietary Supplement Label Database on February 26, 2020.

What is in Chitosan 250 mg?

Each row as the label prints it, per serving of 4 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).

Chitosan 250 mg: Supplement Facts rows against the market (DSLD label 213692, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Carbohydrates1 g1%Carbohydrate in Chitosan 250 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).

Dietary Fiber1 g4%Fiber in Chitosan 250 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).

ChitosanChitosan (Form: minimum 80% Deacetylated Chitin)1 gChitosan in Chitosan 250 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).

Source: NIH ODS Dietary Supplement Label Database, label 213692 (entered February 26, 2020), 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 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?

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
Suggested Use: 4 capsules 1/2 hour before lunch and 4 capsules 1/2 hour before dinner with 8 ounces. of liquid. Drink at least 8 glasses of fluid daily. For best results, take this product in conjunction with the enclosed Maximum Metabolism Weight Loss Plan and a multiple vitamin such as Source Naturals Life Force.
Warnings
Caution: If you are pregnant, may become pregnant, breastfeeding, allergic to shellfish or taking any medication, consult your health care professional before using this product.
Fat-soluble vitamins (A,E, D, or K), essential fatty acids or medications should be taken 4 hours before or after ingesting chitosan to ensure absorption. Take this product with large amounts of fluid. If you do not drink enough liquid, the product may cause constipation. Discontinue use if intestinal discomfort or constipation occurs.
Contains shellfish (shrimp, crab & lobster).
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Allergens and what it does not contain
Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives, or artificial color, flavor or fragrance.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 213692.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Gelatin, Magnesium Stearate, Silica.

How many labels does Chitosan 250 mg have?

One label is on file, entered on February 26, 2020.

  1. Label 213692 (current) Entered February 26, 2020 · on the market · 240 capsules · UPC 0 21078 00912 2

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

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?