PlainVitamins

Mega 80

by Thompson · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 0 31315 19890 8
  • DSLD label 36722
  • Serving 1 tablet

Mega 80 by Thompson lists 30 ingredients, 27 with an amount per serving of 1 tablet, such as 10,000 IU of vitamin A, 250 mg of vitamin C, 600 IU (15 mcg) of vitamin D and 80 IU of vitamin E; 3 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on August 26, 2014.

What is in Mega 80?

Each row as the label prints it, per serving of 1 tablet. 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 80: Supplement Facts rows against the market (DSLD label 36722, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Retinyl PalmitateVitamin A (Form: as Retinyl Palmitate)10,000 IU200%Vitamin A in Mega 80 against 5,772 products10,000 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.10,000 IU

Higher than 82% of 5,772 products listing vitamin A (median 4,000 IU).

Vitamin C250 mg417%Vitamin C in Mega 80 against 18,583 products250 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg250 mg

Higher than 68% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das Cholecalciferol, Vitamin D3Vitamin D (Form: as Cholecalciferol (Alt. Name: D-3))600 IU (15 mcg)150%Vitamin D in Mega 80 against 14,175 products15 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg15 mcg

50% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas D-Alpha-Tocopheryl SuccinateVitamin E (Form: as D-Alpha Tocopheryl Succinate)80 IU267%Vitamin E in Mega 80 against 6,459 products80 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.80 IU

Higher than 70% of 6,459 products listing vitamin E (median 30 IU).

Thiamineas Thiamine HydrochlorideThiamine (Form: as Thiamine HCl)68 mg4,533%Thiamin in Mega 80 against 9,830 products68 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg68 mg

Higher than 92% of 9,830 products listing thiamin (median 5 mg).

Riboflavinas Vitamin B280 mg4,706%Riboflavin in Mega 80 against 9,824 products80 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg80 mg

Higher than 95% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)80 mg400%Niacin in Mega 80 against 12,413 products80 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg80 mg

Higher than 87% of 12,413 products listing niacin (median 20 mg). 2.3 times the adult UL a day.

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine HCl)80 mg4,000%Vitamin B6 in Mega 80 against 15,277 products80 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg80 mg

Higher than 95% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid400 mcg100%Folate in Mega 80 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).

Vitamin B12as CyanocobalaminVitamin B-12 (Form: as Cyanocobalamin)80 mcg1,333%Vitamin B12 in Mega 80 against 14,425 products80 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg80 mcg

Higher than 60% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin80 mcg27%Biotin in Mega 80 against 9,447 products80 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg80 mcg

67% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)80 mg800%Pantothenic Acid (Vitamin B5) in Mega 80 against 10,060 products80 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg80 mg

Higher than 85% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Calciumas Calcium Carbonate, Dicalcium PhosphateCalcium (Form: as Dicalcium Phosphate, Calcium Carbonate)45 mg5%Calcium in Mega 80 against 17,831 products45 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg45 mg

78% of 17,831 products listing calcium give more (median 115 mg).

Ironas Iron FumarateIron (Form: as Iron Fumarate)5 mg28%Iron in Mega 80 against 6,910 products5 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg5 mg

46% of 6,910 products listing iron give more (median 5 mg).

Phosphorusas Dicalcium PhosphatePhosphorus (Form: as Dicalcium Phosphate)24 mg2%Phosphorus in Mega 80 against 3,786 products24 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg24 mg

87% of 3,786 products listing phosphorus give more (median 90 mg).

Iodineas Potassium IodideIodine (Form: as Potassium Iodide)150 mcg100%Iodine in Mega 80 against 6,382 products150 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg150 mcg

15% of 6,382 products listing iodine give more (median 150 mcg).

Zincas Zinc GluconateZinc (Form: as Zinc Gluconate)5 mg33%Zinc in Mega 80 against 13,186 products5 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg5 mg

72% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas Selenium YeastSelenium (Form: as Selenium Yeast)10 mcg14%Selenium in Mega 80 against 7,658 products10 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg10 mcg

94% of 7,658 products listing selenium give more (median 55 mcg).

Copperas Copper GluconateCopper (Form: as Copper Gluconate)1 mg50%Copper in Mega 80 against 6,468 products1 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg1 mg

40% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese GluconateManganese (Form: as Manganese Gluconate)3 mg150%Manganese in Mega 80 against 7,016 products3 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg3 mg

Higher than 71% of 7,016 products listing manganese (median 2 mg).

Chromiumas Chromium Amino Acid ChelateChromium (Form: as Chromium Amino Acid Chelate)15 mcg13%Chromium in Mega 80 against 7,825 products15 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg15 mcg

92% of 7,825 products listing chromium give more (median 100 mcg).

Potassiumas Potassium ChloridePotassium (Form: as Potassium Chloride)5 mg1%

This amount is far outside what other labels list for potassium, or disagrees with the label's own %DV: possibly a unit or transcription slip in the database. Check the label image on DSLD.

Inositol8 mgInositol in Mega 80 against 4,042 products8 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.8 mg

82% of 4,042 products listing inositol give more (median 30 mg).

Paba80 mgPABA in Mega 80 against 1,610 products80 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.80 mg

Higher than 85% of 1,610 products listing PABA (median 25 mg).

Glutamic Acid Hydrochloride25 mgGlutamic Acid in Mega 80 against 697 products25 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.25 mg

67% of 697 products listing glutamic acid give more (median 80 mg).

Mega Bioflavonoid Blend13.5 mg
Rutin concentratein the blend, no amount given
Hesperidin Concentratein the blend, no amount given
Citrus Bioflavonoids concentratein the blend, no amount given
Choline Bitartrate80 mg15%*Choline in Mega 80 against 4,738 products80 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg80 mg

Higher than 71% of 4,738 products listing choline (median 40 mg).

Betaine HCl20 mgBetaine Hydrochloride in Mega 80 against 914 products20 mg per serving; the middle half of products list 25 mg to 178 mg, the median 50 mg.20 mg

79% of 914 products listing betaine hydrochloride give more (median 50 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 36722 (entered August 26, 2014), 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 68 mg of thiamin is higher than 92% of the 9,830 thiamin products that print an amount; 813 list more.
  • Its 80 mg of riboflavin is higher than 95% of the 9,824 riboflavin products that print an amount; 438 list more.
  • At 1 serving a day, the most its directions give, the label lists 80 mg of niacin, 2.3 times the adult Tolerable Upper Intake Level.
  • Its 80 mg of vitamin B6 is higher than 95% of the 15,277 vitamin B6 products that print an amount; 671 list more.
  • 94% of the 7,658 products that print an amount of selenium list more than its 10 mcg of selenium (median 55 mcg).
  • 92% of the 7,825 products that print an amount of chromium list more than its 15 mcg of chromium (median 100 mcg).

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?

The products whose ingredient lists overlap most with Mega 80'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: Use only as directed. Take one tablet daily with a meal or glass or water.
Warnings
Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under six. In case of accidental overdose, call a doctor or poison control center immediately.
WARNING: Do not use if safety seal is broken or missing.
Keep out of reach of children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 36722.

What else is on the label?

Other ingredients: Cellulose, Stearic Acid, Silica.

How many labels does Mega 80 have?

One label is on file, entered on August 26, 2014.

  1. Label 36722 (current) Entered August 26, 2014 · on the market · 60 tablets · UPC 0 31315 19890 8

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

Who makes it?

The label names NutraPure, Inc. (manufacturer). All Thompson products.

Where next?