PlainVitamins

Mega I Daily

by Highland Laboratories · capsule · 90 vegetarian capsules

  • On the market (NIH)
  • UPC 7 68305 61990 6
  • DSLD label 80324
  • Serving 1 vegetarian capsule

Mega I Daily by Highland Laboratories lists 40 ingredients, 35 with an amount per serving of 1 vegetarian capsule, such as 10,000 IU of vitamin A, 125 mg of vitamin C, 200 IU (5 mcg) of vitamin D and 30 IU of vitamin E; 5 sit inside a blend without their own amounts. Its current label entered the NIH Dietary Supplement Label Database on November 20, 2017.

What is in Mega I Daily?

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).

Mega I Daily: Supplement Facts rows against the market (DSLD label 80324, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene, Vitamin A PalmitateVitamin A (Form: Vitamin A Palmitate, and as 25% Beta Carotene Note: 2,500 IU)10,000 IU200%Vitamin A in Mega I Daily 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 Cas Ascorbic Acid125 mg208%Vitamin C in Mega I Daily against 18,583 products125 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg125 mg

Higher than 56% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das Ergocalciferol200 IU (5 mcg)50%Vitamin D in Mega I Daily against 14,175 products5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg5 mcg

83% of 14,175 products listing vitamin D give more (median 15 mcg).

Vitamin Eas D-Alpha-TocopherolVitamin E (Form: natural D-Alpha Tocopherol)30 IU100%Vitamin E in Mega I Daily against 6,459 products30 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.30 IU

44% of 6,459 products listing vitamin E give more (median 30 IU).

Thiamineas Thiamine Hydrochloride50 mg3,333%Thiamin in Mega I Daily against 9,830 products50 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg50 mg

Higher than 82% of 9,830 products listing thiamin (median 5 mg).

Riboflavin50 mg2,941%Riboflavin in Mega I Daily against 9,824 products50 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg50 mg

Higher than 86% of 9,824 products listing riboflavin (median 4 mg).

Niacinamide50 mg250%Niacin in Mega I Daily against 12,413 products50 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg50 mg

Higher than 75% of 12,413 products listing niacin (median 20 mg). 1.4 times the adult UL a day.

Vitamin B650 mg2,500%Vitamin B6 in Mega I Daily against 15,277 products50 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg50 mg

Higher than 87% of 15,277 products listing vitamin B6 (median 6 mg).

Pyridoxine Hydrochloride61 mg
Folic Acid200 mcg50%Folate in Mega I Daily against 7,022 products200 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.200 mcg

71% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as Cyanocobalamin50 mcg833%Vitamin B12 in Mega I Daily against 14,425 products50 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg50 mcg

Higher than 51% of 14,425 products listing vitamin B12 (median 36 mcg).

Biotin50 mcg16%Biotin in Mega I Daily against 9,447 products50 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg50 mcg

73% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acid50 mg500%Pantothenic Acid (Vitamin B5) in Mega I Daily against 10,060 products50 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg50 mg

Higher than 72% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Calcium D-Pantothenate54 mg
Calciumas Calcium Amino Acid Chelate25 mg2%Calcium in Mega I Daily against 17,831 products25 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg25 mg

88% of 17,831 products listing calcium give more (median 115 mg).

Ironas Iron Amino Acid Chelate9 mg50%Iron in Mega I Daily against 6,910 products9 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg9 mg

Higher than 63% of 6,910 products listing iron (median 5 mg).

Iodineas Laminaria digitataIodine (Form: from Laminaria digitata Genus: Laminaria Species: digitata)75 mcg50%Iodine in Mega I Daily against 6,382 products75 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg75 mcg

68% of 6,382 products listing iodine give more (median 150 mcg).

Magnesiumas Magnesium Amino Acid Chelate, Magnesium Oxide20 mg5%Magnesium in Mega I Daily against 14,003 products20 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg20 mg

83% of 14,003 products listing magnesium give more (median 86 mg).

Zincas Zinc Citrate7 mg46%Zinc in Mega I Daily against 13,186 products7 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg7 mg

68% of 13,186 products listing zinc give more (median 11 mg).

Seleniumas Selenium Amino Acid Chelate50 mcg71%Selenium in Mega I Daily against 7,658 products50 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg50 mcg

56% of 7,658 products listing selenium give more (median 55 mcg).

Copperas Copper Amino Acid Chelate0.12 mg6%Copper in Mega I Daily against 6,468 products0.12 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.12 mg

93% of 6,468 products listing copper give more (median 1 mg).

Manganeseas Manganese Citrate4 mg200%Manganese in Mega I Daily against 7,016 products4 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg4 mg

Higher than 75% of 7,016 products listing manganese (median 2 mg).

Chromiumas Chromium Amino Acid Chelate50 mcg41%Chromium in Mega I Daily against 7,825 products50 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg50 mcg

67% of 7,825 products listing chromium give more (median 100 mcg).

Molybdenumas Molybdenum Amino Acid Chelate12 mcg16%Molybdenum in Mega I Daily against 4,390 products12 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg12 mcg

90% of 4,390 products listing molybdenum give more (median 50 mcg).

Potassiumas Potassium Chloride, Potassium CitratePotassium (Form: Potassium Chloride, and Potassium Citrate)10 mg1%Potassium in Mega I Daily against 11,614 products10 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg10 mg

93% of 11,614 products listing potassium give more (median 99 mg).

Inositol50 mgInositol in Mega I Daily against 4,042 products50 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.50 mg

Higher than 55% of 4,042 products listing inositol (median 30 mg).

Paba50 mgPABA in Mega I Daily against 1,610 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.50 mg

Higher than 62% of 1,610 products listing PABA (median 25 mg).

Choline23 mg4%*Choline in Mega I Daily against 4,738 products23 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg23 mg

66% of 4,738 products listing choline give more (median 40 mg).

Choline Bitartrate50 mg
Betaine HCl12 mgBetaine Hydrochloride in Mega I Daily against 914 products12 mg per serving; the middle half of products list 25 mg to 178 mg, the median 50 mg.12 mg

87% of 914 products listing betaine hydrochloride give more (median 50 mg).

Glutamic Acid Hydrochloride12 mgGlutamic Acid in Mega I Daily against 697 products12 mg per serving; the middle half of products list 25 mg to 364 mg, the median 80 mg.12 mg

87% of 697 products listing glutamic acid give more (median 80 mg).

Rutin12 mgRutin in Mega I Daily against 1,232 products12 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.12 mg

73% of 1,232 products listing rutin give more (median 25 mg).

Citrus Bioflavonoid Complex12 mgFlavonoid in Mega I Daily against 2,343 products12 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.12 mg

89% of 2,343 products listing flavonoid give more (median 50 mg).

Hesperidin2 mgHesperidin in Mega I Daily against 552 products2 mg per serving; the middle half of products list 10 mg to 50 mg, the median 20 mg.2 mg

97% of 552 products listing hesperidin give more (median 20 mg).

Chlorophyll1 mgChlorophyll in Mega I Daily against 394 products1 mg per serving; the middle half of products list 7.5 mg to 42.75 mg, the median 16 mg.1 mg

90% of 394 products listing chlorophyll give more (median 16 mg).

Proprietary Herbal BaseProprietary Herbal Base Note: contains5 mg
Alfalfain the blend, no amount given
Parsleyin the blend, no amount given
Rice polishin the blend, no amount given
Rose Hipsin the blend, no amount given
Watercressin the blend, no amount given

* % 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 80324 (entered November 20, 2017), 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:

  • At 1 serving a day, the most its directions give, the label lists 50 mg of niacin, 1.4 times the adult Tolerable Upper Intake Level.
  • 93% of the 6,468 products that print an amount of copper list more than its 0.12 mg of copper (median 1 mg).
  • 90% of the 4,390 products that print an amount of molybdenum list more than its 12 mcg of molybdenum (median 50 mcg).
  • 93% of the 11,614 products that print an amount of potassium list more than its 10 mg of potassium (median 99 mg).
  • 97% of the 552 products that print an amount of hesperidin list more than its 2 mg of hesperidin (median 20 mg).
  • 90% of the 394 products that print an amount of chlorophyll list more than its 1 mg of chlorophyll (median 16 mg).

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
One capsule daily, preferably with meals, as a dietary supplement.
Warnings
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose call a doctor or poison control center immediately.
Allergens and what it does not contain
No corn, soy, salt, yeast, wheat, milk & egg products, sugar, starch, or preservatives.

Source: label statements in DSLD label 80324.

What else is on the label?

Other ingredients: Vegetable Cellulose, Magnesium Trisilicate, Silicon Dioxide, Magnesium Stearate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Quality Assured Earth Friendly.

How many labels does Mega I Daily have?

One label is on file, entered on November 20, 2017.

  1. Label 80324 (current) Entered November 20, 2017 · on the market · 90 vegetarian capsules · UPC 7 68305 61990 6

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

Who makes it?

The label names Highland Laboratories (manufacturer). All Highland Laboratories products.

Where next?