PlainVitamins

Metabolic X

by Metabolic Maintenance · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 38287 00657 2
  • DSLD label 25043
  • Serving 1 capsule; amounts per 2 capsules
  • 30 servings

Metabolic X by Metabolic Maintenance lists 6 ingredients, 6 with an amount per serving of 2 capsules, such as 500 mcg of chromium, 500 mcg of vanadium, 400 mg of gymnema silvestre leaf extract and 250 mg of cinnulin PF. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.

What is in Metabolic X?

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

Metabolic X: Supplement Facts rows against the market (DSLD label 25043, January 2026 release)
IngredientAmount% DVAmong products listing it
Chromiumas Chromium NiacinateChromium (Form: from Chromium Niacinate)500 mcg417%Chromium in Metabolic X against 7,825 products500 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg500 mcg

Higher than 95% of 7,825 products listing chromium (median 100 mcg). Per day at the most servings: 1,000 mcg.

Vanadium500 mcgVanadium in Metabolic X against 1,744 products500 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg500 mcg

Higher than 92% of 1,744 products listing vanadium (median 25 mcg). Per day at the most servings: 1,000 mcg.

Vanadyl Sulfate50 mg
Gymnema Silvestre Leaf Extractas Gymnemic AcidsGymnema Silvestre Leaf Extract (Form: standardized to 25% Gymnemic Acids) CorrectedName: Gymnema Sylvestre Leaf Extract PlantPart: Leaf Genus: Gymnema Species: Sylvestre400 mgGymnema in Metabolic X against 444 products400 mg per serving; the middle half of products list 67 mg to 323.33 mg, the median 200 mg.400 mg

Higher than 76% of 444 products listing gymnema (median 200 mg). Per day at the most servings: 800 mg.

Cinnulin PFas Tetrameric Type-A Polymers, Trimeric Type-A PolymersCinnulin PF (Form: standardized to 3% Trimeric Type-A Polymers, and 3% Tetrameric Type-A Polymers) (Alt. Name: Cinnamomum burmannii bark extract) PlantPart: bark Genus: Cinnamomum Species: burmannii250 mgCinnamomum burmanii in Metabolic X against 84 products250 mg per serving; the middle half of products list 60 mg to 973.25 mg, the median 150 mg.250 mg

Higher than 56% of 84 products listing cinnamomum burmanii (median 150 mg). Per day at the most servings: 500 mg.

Banaba Leaf Extractas Corosolic AcidBanaba Leaf Extract (Form: standardized to 1% Corosolic Acid) PlantPart: Leaf Genus: Lagestroemia Species: speciosa25 mgBanaba in Metabolic X against 241 products25 mg per serving; the middle half of products list 16 mg to 80 mg, the median 25 mg.25 mg

44% of 241 products listing banaba give more (median 25 mg). Per day at the most servings: 50 mg.

Source: NIH ODS Dietary Supplement Label Database, label 25043 (entered November 25, 2013), 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:

  • Its 500 mcg of chromium is higher than 95% of the 7,825 chromium products that print an amount; 253 list more.
  • Its 500 mcg of vanadium is higher than 92% of the 1,744 vanadium products that print an amount; 120 list more.

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 Metabolic X'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
DIRECTIONS: One (1) capsule two (2) times daily, before meals, as a dietary supplement, or as directed by a Doctor.
Warnings
KEEP OUT OF THE REACH OF CHILDREN.
CAUTION: Diabetics, use only under a physician's supervision.
Pregnant or lactating women, consult your healthcare professional before taking this product.
Allergens and what it does not contain
Excipient-free.
Storage
STORAGE: Keep tightly closed in a dry place; do not expose to excessive heat.

Source: label statements in DSLD label 25043.

What else is on the label?

Other ingredients: vegetarian capsule, L-Leucine.

How many labels does Metabolic X have?

One label is on file, entered on November 25, 2013.

  1. Label 25043 (current) Entered November 25, 2013 · on the market · 60 capsules · UPC 8 38287 00657 2

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

Who makes it?

The label names Metabolic Maintenance Products (manufacturer), Sisters, Oregon. All Metabolic Maintenance products.

Where next?