PlainVitamins

Mega Fat Burners

by ON Optimum Nutrition · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 7 48927 02004 5
  • DSLD label 57533
  • Serving 2 tablets
  • 30 servings

Mega Fat Burners by ON Optimum Nutrition lists 7 ingredients, 7 with an amount per serving of 2 tablets, such as 240 mg of calcium, 185 mg of phosphorus, 400 mcg of chromium and 500 mg of garcinia extract. Its current label entered the NIH Dietary Supplement Label Database on March 24, 2016.

What is in Mega Fat Burners?

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).

Mega Fat Burners: Supplement Facts rows against the market (DSLD label 57533, January 2026 release)
IngredientAmount% DVAmong products listing it
Calciumas Dicalcium PhosphateCalcium (Form: as Dicalcium Phosphate)240 mg24%Calcium in Mega Fat Burners against 17,831 products240 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg240 mg

Higher than 72% of 17,831 products listing calcium (median 115 mg).

Phosphorusas Dicalcium PhosphatePhosphorus (Form: as Dicalcium Phosphate)185 mg19%Phosphorus in Mega Fat Burners against 3,786 products185 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg185 mg

Higher than 73% of 3,786 products listing phosphorus (median 90 mg).

Chromiumas Chromium PicolinateChromium (Form: as Chromium Picolinate)400 mcg333%Chromium in Mega Fat Burners against 7,825 products400 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg400 mcg

Higher than 93% of 7,825 products listing chromium (median 100 mcg).

Garcinia extractas Hydroxycitric AcidGarcinia extract (Form: standardized to 50% Hydroxycitric Acid) PlantPart: rind Genus: Garcinia Species: cambogia500 mgGarcinia in Mega Fat Burners against 676 products500 mg per serving; the middle half of products list 200 mg to 1,000 mg, the median 500 mg.500 mg

47% of 676 products listing garcinia give more (median 500 mg).

Cholineas Choline BitartrateCholine (Form: as Choline Bitartrate)400 mg73%*Choline in Mega Fat Burners against 4,738 products400 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg400 mg

Higher than 93% of 4,738 products listing choline (median 40 mg).

Inositol200 mgInositol in Mega Fat Burners against 4,042 products200 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.200 mg

Higher than 88% of 4,042 products listing inositol (median 30 mg).

L-Carnitineas L-Carnitine TartrateL-Carnitine (Form: as L-Carnitine Tartrate)100 mgL-Carnitine in Mega Fat Burners against 1,338 products100 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.100 mg

75% of 1,338 products listing L-carnitine give more (median 500 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 57533 (entered March 24, 2016), 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 400 mcg of chromium is higher than 93% of the 7,825 chromium products that print an amount; 391 list more.
  • Its 400 mg of choline is higher than 93% of the 4,738 choline products that print an amount; 320 list more.

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 Mega Fat Burners'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.

Warnings
WARNING: CONSULT YOUR PHYSICIAN BEFORE USING THIS PRODUCT IF YOU ARE TAKING ANY MEDICATIONS OR ARE UNDER A PHYSICIANS CARE FOR A MEDICAL CONDITION. NOT FOR USE BY THOSE UNDER THE AGE OF 18 OR WOMEN THAT ARE PREGNANT, TRYING TO GET PREGNANT, OR NURSING.
Allergens and what it does not contain
STIMULANT FREE

Source: label statements in DSLD label 57533.

What else is on the label?

Other ingredients: Stearic Acid, Croscarmellose Sodium, Pharmaceutical Glaze, Magnesium Stearate, Silica.

How many labels does Mega Fat Burners have?

One label is on file, entered on March 24, 2016.

  1. Label 57533 (current) Entered March 24, 2016 · on the market · 60 tablets · UPC 7 48927 02004 5

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

Who makes it?

The label names Optimum Nutrition (manufacturer), Aurora, IL. All ON Optimum Nutrition products.

Where next?