Perma-Clear
by Thorne · capsule · 180 capsules
- Off the market since January 2025 (NIH)
- UPC 6 93749 74102 2
- DSLD label 298045
- Serving 3 capsules
- 60 servings
Perma-Clear by Thorne lists 6 ingredients, 6 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 112.5 mg of quercetin phytosome. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2023.
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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| L-Glutamine | 900 mg | 59% of 1,850 products listing glutamine give more (median 1 g). Per day at the most servings: 1.8 g. | |
| N-Acetylglucosamine | 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 boulardii | 112.5 mg | 91% of 78 products listing saccharomyces boulardii give more (median 250 mg). Per day at the most servings: 225 mg. | |
| Quercetin Phytosomeas Phospholipid Complex, Sophora japonica Flower Extract | 112.5 mg | Higher than 61% of 1,548 products listing quercetin (median 100 mg). Per day at the most servings: 225 mg. | |
| Bacillus coagulansLactobacillus Sporogenes (Alternative nomenclature) | 75 mg | Higher than 80% of 237 products listing bacillus coagulans (median 20 mg). Per day at the most servings: 150 mg. | |
| Ginger Rhizome Extract | 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 298045 (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:
- 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 Research · off the market 5 shared, 59% alike
- Gastro SupportKirkman 4 shared, 48% alike
- GI Repair NutrientsVital Nutrients 4 shared, 45% alike
- GastroCort IIAllergy Research Group 3 shared, 41% alike
- GastroCort IINutriCology · off the market 3 shared, 41% 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
- Tamper Evident: Use only if bottle is sealed.
- If pregnant, consult your health-care practitioner before using this product.
- Allergens and what it does not contain
- Gluten Free
- Storage
- Store tightly sealed in a cool, dry place.
Source: label statements in DSLD label 298045.
What else is on the label?
Other ingredients: Hypromellose, Microcrystalline Cellulose, Calcium Laurate, Silicon Dioxide.
How many labels does Perma-Clear have?
3 labels are on file under this name since October 25, 2018: other sizes, label designs and reformulations. The current one leads this page.
- Label 298045 (current) Entered October 24, 2023 · off the market January 23, 2025 · 180 capsules · UPC 6 93749 74102 2
- Label 182335 Entered October 25, 2018 · off the market June 14, 2023 · 180 capsules · UPC 6 93749 74102 2
- Label 182331 Entered October 25, 2018 · off the market April 11, 2018 · 180 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). All Thorne products.