PlainVitamins

Chitosan

by NutriCology · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 7 13947 52320 3
  • DSLD label 191093
  • Serving 2 capsules
  • 45 servings

Chitosan by NutriCology lists one ingredient: 1 g of chitosan per serving of 2 capsules. Its current label entered the NIH Dietary Supplement Label Database on February 25, 2019.

What is in Chitosan?

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).

Chitosan: Supplement Facts rows against the market (DSLD label 191093, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories5 Calories
Total Carbohydrates1 g1%Carbohydrate in Chitosan 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: 2 g.

Dietary Fiber1 g4%Fiber in Chitosan 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: 2 g.

Chitosanas Crab, Lobster, Shrimp1 gChitosan in Chitosan 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: 2 g.

Source: NIH ODS Dietary Supplement Label Database, label 191093 (entered February 25, 2019), 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 1 to 2 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
Suggested Use As a dietary supplement, 2 capsules with 8 ounces of water thirty to forty minutes prior to one or two meals per day, or as directed by a healthcare practitioner.
Warnings
Warning: A high quality essential fatty acid supplement such as flax seed oil, along with ample fat soluble vitamins A, D, E, and K should be taken at a meal apart from Chitosan supplementation.
Avoid this product if you are allergic to shellfish, pregnant or lactating.
Not recommended for children or teenagers.
Anyone under medical care for degenerative conditions, or using medications, should consult a healthcare professional before using Chitosan.
Not labeled for sale in California.
Storage
Keep in a cool, dry place, tightly capped.

Source: label statements in DSLD label 191093.

What else is on the label?

Other ingredients: Hydroxypropyl Methylcellulose, Microcrystalline Cellulose, L-Leucine.

How many labels does Chitosan have?

One label is on file, entered on February 25, 2019.

  1. Label 191093 (current) Entered February 25, 2019 · on the market · 90 vegetarian capsules · UPC 7 13947 52320 3

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

Who makes it?

The label names NutriCology (distributor), Alameda, CA. All NutriCology products.

Where next?