PlainVitamins

Perma-Clear

by Thorne Research · capsule · 180 vegetarian capsules

  • Off the market since February 2018 (NIH)
  • UPC 6 93749 74102 2
  • DSLD label 81692
  • Serving 3 capsules
  • 60 servings

Perma-Clear by Thorne Research lists 7 ingredients, 5 with an amount per serving of 3 capsules, such as 900 mg of L-glutamine, 750 mg of N-acetylglucosamine, 112.5 mg of saccharomyces boulardii and 75 mg of bacillus coagulans; 2 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on December 22, 2017.

What is in Perma-Clear?

Each row as the label prints it, per serving of 3 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).

Perma-Clear: Supplement Facts rows against the market (DSLD label 81692, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Glutamine900 mgGlutamine in Perma-Clear against 1,850 products0.9 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.9 g

59% of 1,850 products listing glutamine give more (median 1 g). Per day at the most servings: 1.8 g.

N-Acetylglucosamine750 mgN-Acetyl Glucosamine in Perma-Clear against 148 products750 mg per serving; the middle half of products list 79 mg to 500 mg, the median 250 mg.750 mg

Higher than 82% of 148 products listing N-acetyl glucosamine (median 250 mg). Per day at the most servings: 1,500 mg.

Saccharomyces boulardii112.5 mgSaccharomyces boulardii in Perma-Clear against 78 products112.5 mg per serving; the middle half of products list 250 mg to 500 mg, the median 250 mg.112.5 mg

91% of 78 products listing saccharomyces boulardii give more (median 250 mg). Per day at the most servings: 225 mg.

Quercetin Phytosome Complex112.5 mg
Sophora japonica concentratein the blend, no amount given
Phosphatidylcholineas SunflowerPhosphatidylcholine (Form: from Sunflower)in the blend, no amount given
Bacillus coagulansBacillus coagulans Genus: Bacillus Species: coagulans Note: Lactobacillus sporogenes (alternative nomenclature)75 mgBacillus Coagulans in Perma-Clear against 237 products75 mg per serving; the middle half of products list 10 mg to 66 mg, the median 20 mg.75 mg

Higher than 80% of 237 products listing bacillus coagulans (median 20 mg). Per day at the most servings: 150 mg.

Ginger extract30 mgGinger in Perma-Clear against 1,770 products30 mg per serving; the middle half of products list 25 mg to 150 mg, the median 60 mg.30 mg

67% of 1,770 products listing ginger give more (median 60 mg). Per day at the most servings: 60 mg.

Source: NIH ODS Dietary Supplement Label Database, label 81692 (entered December 22, 2017), 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?

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:

  • 91% of the 78 products that print an amount of saccharomyces boulardii list more than its 112.5 mg of saccharomyces boulardii (median 250 mg).

The NIH database records 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?

The products whose ingredient lists overlap most with Perma-Clear's, rare ingredients counting for more.

  • Perma-ClearThorne · off the market 5 shared, 59% alike

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: Take 3 capsules two times daily or as recommended by your health-care practitioner.
Warnings
Contains ingredient derived from shellfish (N-Acetylglucosamine = crab and/or shrimp).
Tamper Evident: Use only if bottle is sealed.
If pregnant, consult your health-care practitioner before using this product.
Storage
Store tightly sealed in a cool, dry place.

Source: label statements in DSLD label 81692.

What else is on the label?

Other ingredients: Hypromellose (derived from Cellulose) Capsule, Microcrystalline Cellulose, Calcium Laurate, Silicon Dioxide.

How many labels does Perma-Clear have?

4 labels are on file under this name since December 21, 2012: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 81692 (current) Entered December 22, 2017 · off the market February 1, 2018 · 180 vegetarian capsules · UPC 6 93749 74102 2
  2. Label 50591 Entered September 25, 2015 · off the market June 15, 2017 · 180 vegetarian capsules · UPC 6 93749 74102 2
  3. Label 22099 Entered June 25, 2013 · off the market July 17, 2015 · 180 vegetarian capsules · UPC 6 93749 74102 2
  4. Label 16067 Entered December 21, 2012 · off the market April 1, 2013 · 180 vegetarian capsules · UPC 6 93749 74102 2

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

Who makes it?

The label names Thorne Research, Inc. (distributor), Dover, Idaho. All Thorne Research products.

Where next?