PlainVitamins

Permeability Select

by Moss Nutrition · capsule · 120 vegetarian capsules

  • On the market (NIH)
  • UPC M012
  • DSLD label 334947
  • Serving 4 capsules
  • 30 servings

Permeability Select by Moss Nutrition lists 13 ingredients, 13 with an amount per serving of 4 capsules, such as 300 mcg RAE of vitamin A, 67 mg of vitamin E, 400 mcg of folate and 1,000 mg of L-glutamine. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Permeability Select?

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).

Permeability Select: Supplement Facts rows against the market (DSLD label 334947, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Vitamin A Palmitate300 mcg RAE33%
Vitamin Eas D-Alpha-Tocopherol Succinate67 mg447%
Folateas (6S)-5-Methyltetrahydrofolate, Calcium Salt400 mcg100%Folate in Permeability Select against 7,022 products400 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.400 mcg

24% of 7,022 products listing folate give more (median 400 mcg). Per day at the most servings: 800 mcg.

L-Glutamine1,000 mgGlutamine in Permeability Select against 1,850 products1 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.1 g

48% of 1,850 products listing glutamine give more (median 1 g). Per day at the most servings: 2 g.

N-Acetyl-D-Glucosamine500 mgN-Acetyl Glucosamine in Permeability Select against 148 products500 mg per serving; the middle half of products list 79 mg to 500 mg, the median 250 mg.500 mg

Higher than 64% of 148 products listing N-acetyl glucosamine (median 250 mg). Per day at the most servings: 1,000 mg.

Okra, Powder300 mg
Cat's Claw300 mgCat's Claw in Permeability Select against 300 products300 mg per serving; the middle half of products list 45 mg to 500 mg, the median 200 mg.300 mg

Higher than 54% of 300 products listing Cat's claw (median 200 mg). Per day at the most servings: 600 mg.

Aloe Vera inner leaf gelas Polysaccharides200 mgAloe in Permeability Select against 523 products200 mg per serving; the middle half of products list 25 mg to 200 mg, the median 51 mg.200 mg

Higher than 72% of 523 products listing aloe (median 51 mg). Per day at the most servings: 400 mg.

Quercetin Dihydrate100 mgQuercetin in Permeability Select against 1,548 products100 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.100 mg

40% of 1,548 products listing quercetin give more (median 100 mg). Per day at the most servings: 200 mg.

Sodium Butyrate100 mg
Gamma Oryzanol75 mgGamma oryzanol in Permeability Select against 85 products75 mg per serving; the middle half of products list 20 mg to 125 mg, the median 60 mg.75 mg

Higher than 58% of 85 products listing gamma oryzanol (median 60 mg). Per day at the most servings: 150 mg.

Zinc L-Carnosine37.5 mgZinc-l-Carnosine in Permeability Select against 36 products37.5 mg per serving; the middle half of products list 34.38 mg to 75 mg, the median 75 mg.37.5 mg

61% of 36 products listing zinc-l-carnosine give more (median 75 mg). Per day at the most servings: 75 mg.

elemental Zinc4.5 mg41%*Zinc in Permeability Select against 13,186 products4.5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg4.5 mg

80% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 9 mg.

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 334947 (entered September 25, 2025), 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?

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 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 Permeability Select's, rare ingredients counting for more.

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 with a meal, 2 times per day or as directed by your healthcare professional.
Warnings
Warning: If you are taking medication, have a medical condition or an upcoming medical procedure, or are pregnant or nursing, consult a physician before using.
If adverse reactions occur, discontinue use and consult your healthcare practitioner.
Keep out of reach of children.
Contains crustacean shellfish (from shrimp and crab shells).
Allergens and what it does not contain
Does not contain gluten.
Storage
Store sealed in a cool, dry place.

Source: label statements in DSLD label 334947.

What else is on the label?

Other ingredients: Hypromellose, Silicon Dioxide, Inulin, Stearate, Citric Acid.

How many labels does Permeability Select have?

5 labels are on file under this name since February 25, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 334947 (current) Entered September 25, 2025 · on the market · 120 vegetarian capsules · UPC M012
  2. Label 275513 Entered October 24, 2022 · off the market March 4, 2025 · 120 capsules · UPC M012
  3. Label 247289 Entered March 25, 2021 · off the market January 18, 2022 · 120 vegetarian capsules · UPC M012
  4. Label 214524 Entered February 26, 2020 · off the market February 25, 2021 · 120 vegetarian capsules · UPC M012
  5. Label 188871 Entered February 25, 2019 · off the market December 4, 2019 · 120 vegetarian capsules · UPC M012

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

Who makes it?

The label names Moss Nutrition Products, Inc. (distributor), Hadley, MA. All Moss Nutrition products.

Where next?