PlainVitamins

Solotron

by GNC Multivitamin · other (e.g. tea bag) · 240 caplets

  • Off the market since December 2023 (NIH)
  • DSLD label 26377
  • Serving 1 caplet
  • 240 servings

Solotron by GNC Multivitamin lists 34 ingredients, 34 with an amount per serving of 1 caplet, such as 10,000 IU of vitamin A, 200 mg of vitamin C, 400 IU (10 mcg) of vitamin D and 30 IU of vitamin E. Its current label entered the NIH Dietary Supplement Label Database on November 25, 2013.

What is in Solotron?

Each row as the label prints it, per serving of 1 caplet. 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).

Solotron: Supplement Facts rows against the market (DSLD label 26377, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene, Vitamin A AcetateVitamin A (Form: as 50% Beta-Carotene, as 50% Vitamin A Acetate)10,000 IU200%Vitamin A in Solotron 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 Acid200 mg333%Vitamin C in Solotron against 18,583 products200 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg200 mg

Higher than 63% of 18,583 products listing vitamin C (median 100 mg).

Vitamin Das ErgocalciferolVitamin D (Form: as Ergocalciferol)400 IU (10 mcg)100%Vitamin D in Solotron 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).

Vitamin Eas D-Alpha-Tocopheryl SuccinateVitamin E (Form: as natural D-Alpha Tocopheryl Succinate)30 IU100%Vitamin E in Solotron 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).

Vitamin Kas Phytonadione25 mcg31%Vitamin K in Solotron against 4,607 products25 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg25 mcg

80% of 4,607 products listing vitamin K give more (median 80 mcg).

Thiamineas Thiamine MononitrateThiamin (Form: as Thiamin Mononitrate)30 mg2,000%Thiamin in Solotron against 9,830 products30 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg30 mg

Higher than 78% of 9,830 products listing thiamin (median 5 mg).

Riboflavinas Vitamin B230 mg1,765%Riboflavin in Solotron against 9,824 products30 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg30 mg

Higher than 82% of 9,824 products listing riboflavin (median 4 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)30 mg150%Niacin in Solotron against 12,413 products30 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg30 mg

Higher than 63% of 12,413 products listing niacin (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B-6 (Form: as Pyridoxine Hydrochloride)30 mg1,500%Vitamin B6 in Solotron against 15,277 products30 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg30 mg

Higher than 82% of 15,277 products listing vitamin B6 (median 6 mg).

Folic Acid400 mcg100%Folate in Solotron 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)30 mcg500%Vitamin B12 in Solotron against 14,425 products30 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg30 mcg

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

Biotin30 mcg10%Biotin in Solotron against 9,447 products30 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg30 mcg

83% of 9,447 products listing biotin give more (median 200 mcg).

Pantothenic Acidas Calcium D-PantothenatePantothenic Acid (Form: as Calcium D-Pantothenate)30 mg300%Pantothenic Acid (Vitamin B5) in Solotron against 10,060 products30 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg30 mg

Higher than 66% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Calciumas Calcium CarbonateCalcium (Form: as Calcium Carbonate)60 mg6%Calcium in Solotron against 17,831 products60 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg60 mg

68% of 17,831 products listing calcium give more (median 115 mg).

Ironas Ferrous FumarateIron (Form: as Ferrous Fumarate)18 mg100%Iron in Solotron against 6,910 products18 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg18 mg

Higher than 74% of 6,910 products listing iron (median 5 mg).

Iodineas Potassium IodideIodine (Form: as Potassium Iodide)150 mcg100%Iodine in Solotron 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).

Magnesiumas Magnesium OxideMagnesium (Form: as Magnesium Oxide)30 mg8%Magnesium in Solotron against 14,003 products30 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg30 mg

75% of 14,003 products listing magnesium give more (median 86 mg).

Zincas Zinc OxideZinc (Form: as Zinc Oxide)30 mg200%Zinc in Solotron against 13,186 products30 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg30 mg

Higher than 90% of 13,186 products listing zinc (median 11 mg).

Seleniumas Sodium SelenateSelenium (Form: as Sodium Selenate)25 mcg36%Selenium in Solotron against 7,658 products25 mcg per serving; the middle half of products list 27 mcg to 100 mcg, the median 55 mcg.DV 55 mcgUL 400 mcg25 mcg

75% of 7,658 products listing selenium give more (median 55 mcg).

Copperas Copper GluconateCopper (Form: as Copper Gluconate)500 mcg25,000%

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

Manganeseas Manganese GluconateManganese (Form: as Manganese Gluconate)5 mg250%Manganese in Solotron against 7,016 products5 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg5 mg

Higher than 80% of 7,016 products listing manganese (median 2 mg).

Chromiumas Chromium ChlorideChromium (Form: as Chromium Chloride)25 mcg21%Chromium in Solotron against 7,825 products25 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg25 mcg

83% of 7,825 products listing chromium give more (median 100 mcg).

Molybdenumas Sodium MolybdateMolybdenum (Form: as Sodium Molybdate)25 mcg33%Molybdenum in Solotron against 4,390 products25 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg25 mcg

72% of 4,390 products listing molybdenum give more (median 50 mcg).

Potassiumas Potassium ChloridePotassium (Form: as Potassium Chloride)30 mg1%Potassium in Solotron against 11,614 products30 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg30 mg

83% of 11,614 products listing potassium give more (median 99 mg).

Cholineas Choline BitartrateCholine (Form: as Choline Bitartrate)14 mg3%*Choline in Solotron against 4,738 products14 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg14 mg

77% of 4,738 products listing choline give more (median 40 mg).

Para-Aminobenzoic Acid30 mgPABA in Solotron against 1,610 products30 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.30 mg

Higher than 53% of 1,610 products listing PABA (median 25 mg).

Citrus Bioflavonoids Complex25 mgFlavonoid in Solotron against 2,343 products25 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.25 mg

66% of 2,343 products listing flavonoid give more (median 50 mg).

Green Tea leaves extract5 mgGreen Tea in Solotron against 2,595 products5 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.5 mg

99% of 2,595 products listing green tea give more (median 100 mg).

N-Acetyl-L-Cysteine500 mcgN-Acetyl Cysteine in Solotron against 1,259 products0.5 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.0.5 mg

over 99% of 1,259 products listing N-acetyl cysteine give more (median 150 mg).

Lutein300 mcgLutein in Solotron against 2,493 products0.3 mg per serving; the middle half of products list 0.5 mg to 10 mg, the median 3 mg.0.3 mg

80% of 2,493 products listing lutein give more (median 3 mg).

Boronas Boron GluconateBoron (Form: as Boron Gluconate)100 mcgBoron in Solotron against 3,339 products0.1 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.1 mg

92% of 3,339 products listing boron give more (median 1 mg).

Inositol30 mcgInositol in Solotron against 4,042 products0.03 mg per serving; the middle half of products list 10 mg to 80 mg, the median 30 mg.0.03 mg

95% of 4,042 products listing inositol give more (median 30 mg).

Vanadiumas Sodium MetavanadateVanadium (Form: as Sodium Metavanadate)10 mcgVanadium in Solotron against 1,744 products10 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg10 mcg

60% of 1,744 products listing vanadium give more (median 25 mcg).

Siliconas Silicon DioxideSilicon (Form: as Silicon Dioxide)10 mcgSilicon in Solotron against 1,220 products0.01 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.0.01 mg

98% of 1,220 products listing silicon give more (median 4 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 26377 (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:

  • 83% of the 9,447 products that print an amount of biotin list more than its 30 mcg of biotin (median 200 mcg).
  • 99% of the 2,595 products that print an amount of green tea list more than its 5 mg of green tea (median 100 mg).
  • over 99% of the 1,259 products that print an amount of N-acetyl cysteine list more than its 0.5 mg of N-acetyl-L-cysteine (filed by NIH under N-acetyl cysteine) (median 150 mg).
  • 92% of the 3,339 products that print an amount of boron list more than its 0.1 mg of boron (median 1 mg).
  • 95% of the 4,042 products that print an amount of inositol list more than its 0.03 mg of inositol (median 30 mg).
  • 60% of the 1,744 products that print an amount of vanadium list more than its 10 mcg of vanadium (median 25 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?

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 caplet per day

Source: label statements in DSLD label 26377.

How many labels does Solotron have?

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

  1. Label 26377 (current) Entered November 25, 2013 · off the market December 19, 2023 · 240 caplets

DSLD also links this label to: Nettle Root 300 mg (image difference, same product), Nettle Root 300 mg (image difference, same product).

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

Who makes it?

The label names GNC (manufacturer). All GNC Multivitamin products.

Where next?