PlainVitamins

Sentry Heart

by 21st Century · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 7 40985 27349 4
  • DSLD label 43716
  • Serving 1 tablet

Sentry Heart by 21st Century lists 32 ingredients, 32 with an amount per serving of 1 tablet, such as 1,750 IU of vitamin A, 30 mg of vitamin C, 200 IU (5 mcg) of vitamin D and 15 IU of vitamin E. Its current label entered the NIH Dietary Supplement Label Database on March 25, 2015.

What is in Sentry Heart?

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).

Sentry Heart: Supplement Facts rows against the market (DSLD label 43716, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Aas Beta-Carotene, Vitamin A AcetateVitamin A (Form: as Vitamin A {Acetate}, & as 29% Beta-Carotene)1,750 IU35%Vitamin A in Sentry Heart against 5,772 products1,750 IU per serving; the middle half of products list 2,000 IU to 5,000 IU, the median 4,000 IU.1,750 IU

76% of 5,772 products listing vitamin A give more (median 4,000 IU). Per day at the most servings: 3,500 IU.

Vitamin Cas Ascorbic Acid30 mg50%Vitamin C in Sentry Heart against 18,583 products30 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg30 mg

83% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 60 mg.

Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)200 IU (5 mcg)50%Vitamin D in Sentry Heart 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). Per day at the most servings: 10 mcg.

Vitamin Eas DL-Alpha-Tocopheryl AcetateVitamin E (Form: as DL-Alpha Tocopheryl Acetate)15 IU50%Vitamin E in Sentry Heart against 6,459 products15 IU per serving; the middle half of products list 15 IU to 100 IU, the median 30 IU.15 IU

75% of 6,459 products listing vitamin E give more (median 30 IU). Per day at the most servings: 30 IU.

Vitamin Kas Phytonadione12.5 mcg16%Vitamin K in Sentry Heart against 4,607 products12.5 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg12.5 mcg

93% of 4,607 products listing vitamin K give more (median 80 mcg). Per day at the most servings: 25 mcg.

Thiamineas Thiamine Mononitrate, Vitamin B10.75 mg50%Thiamin in Sentry Heart against 9,830 products0.75 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.75 mg

87% of 9,830 products listing thiamin give more (median 5 mg). Per day at the most servings: 1.5 mg.

Riboflavinas Vitamin B20.85 mg50%Riboflavin in Sentry Heart against 9,824 products0.85 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg0.85 mg

86% of 9,824 products listing riboflavin give more (median 4 mg). Per day at the most servings: 1.7 mg.

Niacinas NiacinamideNiacin (Form: as Niacinamide)10 mg50%Niacin in Sentry Heart against 12,413 products10 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg10 mg

77% of 12,413 products listing niacin give more (median 20 mg). Per day at the most servings: 20 mg.

Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine HCl)2.5 mg125%Vitamin B6 in Sentry Heart against 15,277 products2.5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg2.5 mg

67% of 15,277 products listing vitamin B6 give more (median 6 mg). Per day at the most servings: 5 mg.

Folic Acid200 mcg50%Folate in Sentry Heart 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). Per day at the most servings: 400 mcg.

Vitamin B12as CyanocobalaminVitamin B12 (Form: as Cyanocobalamin)100 mcg1,667%Vitamin B12 in Sentry Heart against 14,425 products100 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg100 mcg

Higher than 61% of 14,425 products listing vitamin B12 (median 36 mcg). Per day at the most servings: 200 mcg.

Biotin15 mcg5%Biotin in Sentry Heart against 9,447 products15 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg15 mcg

95% of 9,447 products listing biotin give more (median 200 mcg). Per day at the most servings: 30 mcg.

Pantothenic Acidas D-Calcium PantothenatePantothenic Acid (Form: as D-Calcium Pantothenate)5 mg50%Pantothenic Acid (Vitamin B5) in Sentry Heart against 10,060 products5 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg5 mg

77% of 10,060 products listing pantothenic acid (vitamin B5) give more (median 12 mg). Per day at the most servings: 10 mg.

Calciumas Dicalcium PhosphateCalcium (Form: as Dicalcium Phosphate)54 mg5%Calcium in Sentry Heart against 17,831 products54 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg54 mg

71% of 17,831 products listing calcium give more (median 115 mg). Per day at the most servings: 108 mg.

Ironas Ferrous FumarateIron (Form: as Ferrous Fumarate)3 mg17%Iron in Sentry Heart against 6,910 products3 mg per serving; the middle half of products list 1.2 mg to 18 mg, the median 5 mg.DV 18 mgUL 45 mg3 mg

60% of 6,910 products listing iron give more (median 5 mg). Per day at the most servings: 6 mg.

Phosphorusas Dicalcium PhosphatePhosphorus (Form: as Dicalcium Phosphate)40 mg4%Phosphorus in Sentry Heart against 3,786 products40 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg40 mg

76% of 3,786 products listing phosphorus give more (median 90 mg). Per day at the most servings: 80 mg.

Iodineas Potassium IodideIodine (Form: as Potassium Iodide)75 mcg50%Iodine in Sentry Heart 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). Per day at the most servings: 150 mcg.

Magnesiumas Magnesium OxideMagnesium (Form: as Magnesium Oxide)20 mg5%Magnesium in Sentry Heart 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). Per day at the most servings: 40 mg.

Zincas Zinc Oxide3.75 mg25%Zinc in Sentry Heart against 13,186 products3.75 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg3.75 mg

82% of 13,186 products listing zinc give more (median 11 mg). Per day at the most servings: 7.5 mg.

Seleniumas Sodium SelenateSelenium (Form: as Sodium Selenate)10 mcg14%Selenium in Sentry Heart 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). Per day at the most servings: 20 mcg.

Copperas Copper SulfateCopper (Form: as Copper Sulfate)0.35 mg18%Copper in Sentry Heart against 6,468 products0.35 mg per serving; the middle half of products list 0.5 mg to 2 mg, the median 1 mg.DV 0.9 mgUL 10 mg0.35 mg

83% of 6,468 products listing copper give more (median 1 mg). Per day at the most servings: 0.7 mg.

Manganeseas Manganese SulfateManganese (Form: as Manganese Sulfate)1 mg50%Manganese in Sentry Heart against 7,016 products1 mg per serving; the middle half of products list 1 mg to 3.92 mg, the median 2 mg.DV 2.3 mgUL 11 mg1 mg

70% of 7,016 products listing manganese give more (median 2 mg). Per day at the most servings: 2 mg.

Chromiumas Chromium ChlorideChromium (Form: as Chromium Chloride)60 mcg50%Chromium in Sentry Heart against 7,825 products60 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg60 mcg

61% of 7,825 products listing chromium give more (median 100 mcg). Per day at the most servings: 120 mcg.

Molybdenumas Sodium MolybdateMolybdenum (Form: as Sodium Molybdate)37.5 mcg50%Molybdenum in Sentry Heart against 4,390 products37.5 mcg per serving; the middle half of products list 25 mcg to 75 mcg, the median 50 mcg.DV 45 mcgUL 2,000 mcg37.5 mcg

65% of 4,390 products listing molybdenum give more (median 50 mcg). Per day at the most servings: 75 mcg.

Chlorideas Potassium ChlorideChloride (Form: as Potassium Chloride)29 mg1%Chloride in Sentry Heart against 1,476 products29 mg per serving; the middle half of products list 60 mg to 183.5 mg, the median 75 mg.DV 2,300 mgUL 3,600 mg29 mg

89% of 1,476 products listing chloride give more (median 75 mg). Per day at the most servings: 58 mg.

Potassiumas Potassium ChloridePotassium (Form: as Potassium Chloride)32 mg1%Potassium in Sentry Heart against 11,614 products32 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg32 mg

83% of 11,614 products listing potassium give more (median 99 mg). Per day at the most servings: 64 mg.

Boronas BoratesBoron (Form: as Borates)16 mcgBoron in Sentry Heart against 3,339 products0.016 mg per serving; the middle half of products list 0.3 mg to 2 mg, the median 1 mg.UL 20 mg0.016 mg

99% of 3,339 products listing boron give more (median 1 mg). Per day at the most servings: 0.032 mg.

Tinas Stannous ChlorideTin (Form: as Stannous Chloride)5 mcgTin in Sentry Heart against 174 products5 mcg per serving; the middle half of products list 10 mcg to 10 mcg, the median 10 mcg.5 mcg

97% of 174 products listing tin give more (median 10 mcg). Per day at the most servings: 10 mcg.

Nickelas Nickelous SulfateNickel (Form: as Nickelous Sulfate)2.5 mcgNickel in Sentry Heart against 317 products2.5 mcg per serving; the middle half of products list 5 mcg to 5 mcg, the median 5 mcg.UL 1,000 mcg2.5 mcg

96% of 317 products listing nickel give more (median 5 mcg). Per day at the most servings: 5 mcg.

Siliconas Silicon DioxideSilicon (Form: as Silicon Dioxide)1 mgSilicon in Sentry Heart against 1,220 products1 mg per serving; the middle half of products list 2 mg to 10.5 mg, the median 4 mg.1 mg

88% of 1,220 products listing silicon give more (median 4 mg). Per day at the most servings: 2 mg.

Vanadiumas Sodium MetavanadateVanadium (Form: as Sodium Metavanadate)5 mcgVanadium in Sentry Heart against 1,744 products5 mcg per serving; the middle half of products list 10 mcg to 100 mcg, the median 25 mcg.UL 1,800 mcg5 mcg

94% of 1,744 products listing vanadium give more (median 25 mcg). Per day at the most servings: 10 mcg.

Phytosterols400 mgPhytosterols in Sentry Heart against 440 products400 mg per serving; the middle half of products list 100 mg to 667 mg, the median 400 mg.400 mg

45% of 440 products listing phytosterols give more (median 400 mg). Per day at the most servings: 800 mg.

Source: NIH ODS Dietary Supplement Label Database, label 43716 (entered March 25, 2015), 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:

  • 93% of the 4,607 products that print an amount of vitamin K list more than its 12.5 mcg of vitamin K (median 80 mcg).
  • 95% of the 9,447 products that print an amount of biotin list more than its 15 mcg of biotin (median 200 mcg).
  • 94% of the 7,658 products that print an amount of selenium list more than its 10 mcg of selenium (median 55 mcg).
  • 99% of the 3,339 products that print an amount of boron list more than its 0.016 mg of boron (median 1 mg).
  • 97% of the 174 products that print an amount of tin list more than its 5 mcg of tin (median 10 mcg).
  • 96% of the 317 products that print an amount of nickel list more than its 2.5 mcg of nickel (median 5 mcg).

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?

2 products list 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
Directions: As a dietary supplement, take one (1) tablets twice a day with any meal or as directed by your healthcare provider.
Warnings
Contains Soy.
Do not exceed recommended dosage.
WARNING: Consult a healthcare provider prior to use if: pregnant, nursing, on medications, have a medical condition or are planning a medical procedure.
Stop use and contact a physician if adverse reactions occur.
Keep out of reach of children.
Do not use if product appears to be tampered with or seal is broken.
Important Information: Extended use of high levels of Vitamin A (excluding Beta Carotene as the source) may increase the risk to adults of developing osteoporosis. Do not use this product if using other Vitamin A supplements.
WARNING: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of the reach of children. In case of accidental overdose, call a doctor or Poison Control Center immediately.
Allergens and what it does not contain
No added Sugar, Yeast, Preservatives or Artificial Flavors.
Storage
Store at room temperature.

Source: label statements in DSLD label 43716.

What else is on the label?

Other ingredients: Cellulose, Silicon Dioxide, Starch, Stearic Acid, Polyvinyl Alcohol, Croscarmellose Sodium, Magnesium Stearate, Titanium Dioxide, Polyvinylpyrrolidone, PEG, Talc, Ethylcellulose, Artificial color.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): LABORATORY TESTED GUARANTEED QUALITY.

How many labels does Sentry Heart have?

2 labels are on file under this name since March 25, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 43716 (current) Entered March 25, 2015 · on the market · 120 tablets · UPC 7 40985 27349 4
  2. Label 43714 Entered March 25, 2015 · on the market · 60 tablets · UPC 7 40985 27341 8

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

Who makes it?

The label names 21st Century HealthCare, Inc. (manufacturer), Tempe, AZ. All 21st Century products.

Where next?