PlainVitamins

GlucoRex

by NewtonEverett · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 8 18423 02712 8
  • DSLD label 213280
  • Serving 1 vegetarian capsule
  • 90 servings

GlucoRex by NewtonEverett lists 10 ingredients, 10 with an amount per serving of 1 vegetarian capsule, such as 8 mg of thiamine, 1 mg of biotin, 8 mg of pantothenic acid and 67 mg of magnesium. Its current label entered the NIH Dietary Supplement Label Database on February 26, 2020.

What is in GlucoRex?

Each row as the label prints it, per serving of 1 vegetarian capsule. 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).

GlucoRex: Supplement Facts rows against the market (DSLD label 213280, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Hydrochloride, Vitamin B1Thiamin (Form: from Thiamin HCl) (Alt. Name: Vitamin B-1)8 mg533%Thiamin in GlucoRex against 9,830 products8 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg8 mg

Higher than 58% of 9,830 products listing thiamin (median 5 mg). Per day at the most servings: 24 mg.

Biotin1 mg333%Biotin in GlucoRex against 9,447 products1,000 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg1,000 mcg

Higher than 84% of 9,447 products listing biotin (median 200 mcg). Per day at the most servings: 3,000 mcg.

Pantothenic Acidas Calcium PantothenatePantothenic Acid (Form: from Calcium Pantothenate)8 mg80%Pantothenic Acid (Vitamin B5) in GlucoRex against 10,060 products8 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg8 mg

72% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg). Per day at the most servings: 24 mg.

Magnesiumas Magnesium Citrate, Magnesium OxideMagnesium (Form: from Magnesium Oxide, and Magnesium Citrate)67 mg17%Magnesium in GlucoRex against 14,003 products67 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg67 mg

55% of 14,003 products listing magnesium give more (median 86 mg). Per day at the most servings: 201 mg.

Chromiumas Chromium PolynicotinateChromium (Form: from Chromium Polynicotinate) (Alt. Name: ChromeMate)133 mcg111%Chromium in GlucoRex against 7,825 products133 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg133 mcg

Higher than 68% of 7,825 products listing chromium (median 100 mcg). Per day at the most servings: 399 mcg.

GlucoFitas Corosolic Acid, Lagerstroemia speciosa extractGlucoFit (Form: from Lagerstroemia speciosa extract (Alt. Name: Banaba) PlantPart: leaf Genus: Lagerstroemia Species: speciosa, min. 18% Corosolic Acid)1.5 mgBanaba in GlucoRex against 241 products1.5 mg per serving; the middle half of products list 16 mg to 80 mg, the median 25 mg.1.5 mg

95% of 241 products listing banaba give more (median 25 mg). Per day at the most servings: 4.5 mg.

Gymnema sylvestre extractas Gymnemic AcidGymnema sylvestre extract (Form: min. 25% Gymnemic Acid) (Alt. Name: GS4 Plus) PlantPart: leaf Genus: Gymnema Species: sylvestre67 mgGymnema in GlucoRex against 444 products67 mg per serving; the middle half of products list 67 mg to 323.33 mg, the median 200 mg.67 mg

74% of 444 products listing gymnema give more (median 200 mg). Per day at the most servings: 201 mg.

L-GlutamineL-Glutamine Note: free-form167 mgGlutamine in GlucoRex against 1,850 products0.167 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.167 g

83% of 1,850 products listing glutamine give more (median 1 g). Per day at the most servings: 0.501 g.

Alpha Lipoic Acid15 mgAlpha Lipoic Acid in GlucoRex against 2,407 products15 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.15 mg

82% of 2,407 products listing alpha lipoic acid give more (median 50 mg). Per day at the most servings: 45 mg.

Vanadiumas Vanadium Amino Acid ChelateVanadium (Form: from Vanadium Amino Acid Chelate)167 mcgVanadium in GlucoRex against 1,744 products167 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg167 mcg

Higher than 84% of 1,744 products listing vanadium (median 25 mcg). Per day at the most servings: 501 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 213280 (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?

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:

  • 95% of the 241 products that print an amount of banaba list more than its 1.5 mg of GlucoFit (filed by NIH under banaba) (median 25 mg).

The NIH database records 3 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?

4 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, take 1 capsule 3 times daily with food.
Warnings
Warning: For adults only. Diabetics and hypoglycemics should consult with a physician before using.
Consult a physician if pregnant/nursing, taking medication, or have a medical condition.
Keep out of reach of children.
Do not use if safety seal is damaged or missing.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 213280.

What else is on the label?

Other ingredients: Rice Flour, Cellulose, Vegetable Magnesium Stearate.

How many labels does GlucoRex have?

2 labels are on file under this name since June 25, 2014: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 213280 (current) Entered February 26, 2020 · on the market · 90 vegetarian capsules · UPC 8 18423 02712 8
  2. Label 34727 Entered June 25, 2014 · off the market May 15, 2019 · 90 vcaps · UPC 6 89076 03310 7

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

Who makes it?

The label names Newton-Everett Biotech (distributor), Scottsdale, AZ. All NewtonEverett products.

Where next?