PlainVitamins

SuperFlex-6

by NewtonEverett · tablet or pill · 150 coated tablets

  • On the market (NIH)
  • UPC 8 18423 02778 4
  • DSLD label 218120
  • Serving 2 tablets
  • 75 servings

SuperFlex-6 by NewtonEverett lists 6 ingredients, 6 with an amount per serving of 2 tablets, such as 400 IU (10 mcg) of vitamin D3, 1,500 mg of glucosamine HCl, 1,200 mg of chrondroitin sulfate and 250 mg of methylsulfonylmethane. Its current label entered the NIH Dietary Supplement Label Database on April 23, 2020.

What is in SuperFlex-6?

Each row as the label prints it, per serving of 2 tablets. 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).

SuperFlex-6: Supplement Facts rows against the market (DSLD label 218120, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin D3as Cholecalciferol400 IU (10 mcg)50%Vitamin D in SuperFlex-6 against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Glucosamine HCl1,500 mgGlucosamine Hydrochloride in SuperFlex-6 against 628 products1.5 g per serving; the middle half of products list 0.75 g to 1.5 g, the median 1.5 g.1.5 g

5% of 628 products listing glucosamine hydrochloride give more (median 1.5 g).

Chrondroitin Sulfate1,200 mgChondroitin Sulfate in SuperFlex-6 against 950 products1,200 mg per serving; the middle half of products list 200 mg to 1,200 mg, the median 400 mg.1,200 mg

Higher than 74% of 950 products listing chondroitin sulfate (median 400 mg).

Methylsulfonylmethane250 mgMethylsulfonylmethane in SuperFlex-6 against 1,454 products250 mg per serving; the middle half of products list 150 mg to 1,000 mg, the median 500 mg.250 mg

60% of 1,454 products listing methylsulfonylmethane give more (median 500 mg).

Boswellia (Boswellia serrata) extractas Boswellic AcidsBoswellia (Boswellia serrata) extract (Form: 65% Boswellic Acids) Genus: Boswellia Species: serrata100 mgBoswellia in SuperFlex-6 against 665 products100 mg per serving; the middle half of products list 100 mg to 290 mg, the median 135 mg.100 mg

53% of 665 products listing boswellia give more (median 135 mg).

Hyaluronic Acid40 mgHyaluronic acid in SuperFlex-6 against 900 products40 mg per serving; the middle half of products list 10 mg to 100 mg, the median 50 mg.40 mg

52% of 900 products listing hyaluronic acid give more (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 218120 (entered April 23, 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?

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 one serving 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?

1 product lists 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
2 per day Suggested Use: Take 2 tablets daily with a meal. Take for 4-6 weeks to see results.
Warnings
Warning: Consult a physician before using if pregnant, nursing or on medication.
Keep out of reach of children.
Do not use if safety seal is broken. Do not exceed suggested daily intake.
Allergen Warning: Contains shellfish (shrimp, crab) ingredients.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 218120.

What else is on the label?

Other ingredients: Dicalcium Phosphate, Croscarmellose Sodium, Stearic Acid, silicified Microcrystalline Cellulose, Cellulose, Silicon Dioxide, Vegetable Magnesium Stearate, Aqueous Coating.

How many labels does SuperFlex-6 have?

6 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 218120 (current) Entered April 23, 2020 · on the market · 150 coated tablets · UPC 8 18423 02778 4
  2. Label 213286 Entered February 26, 2020 · off the market July 19, 2024 · 150 coated tablets · UPC 8 18423 02778 4
  3. Label 66858 Entered November 21, 2016 · off the market May 15, 2019 · 150 coated tablets · UPC 6 89076 03777 8
  4. Label 49928 Entered August 25, 2015 · off the market July 19, 2024 · 150 coated tablets · UPC 6 89076 03777 8
  5. Label 35332 Entered July 25, 2014 · off the market July 19, 2024 · 150 coated tablets · UPC 6 89076 03777 8
  6. Label 34769 Entered June 25, 2014 · off the market September 19, 2016 · 150 coated tablets · UPC 6 89076 03777 8

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 Nutraceuticals (distributor), Scottsdale, AZ. All NewtonEverett products.

Where next?