PlainVitamins

HeartZest

by Primal Labs · tablet or pill · 60 tablets

  • On the market (NIH)
  • DSLD label 206614
  • Serving 2 tablets
  • 30 servings

HeartZest by Primal Labs lists 8 ingredients, 8 with an amount per serving of 2 tablets, such as 400 IU (10 mcg) of vitamin D, 100 mcg of vitamin K, 5 mg of vitamin B6 and 400 mcg of folate. Its current label entered the NIH Dietary Supplement Label Database on September 24, 2019.

What is in HeartZest?

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).

HeartZest: Supplement Facts rows against the market (DSLD label 206614, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)400 IU (10 mcg)100%Vitamin D in HeartZest 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 Kas Vitamin K2Vitamin K (Form: as Vitamin K2 (Form: Menaquinone-7))100 mcg125%Vitamin K in HeartZest against 4,607 products100 mcg per serving; the middle half of products list 35 mcg to 100 mcg, the median 80 mcg.DV 120 mcg100 mcg

Higher than 69% of 4,607 products listing vitamin K (median 80 mcg).

Vitamin B6as Pyridoxal 5-PhosphateVitamin B6 (Form: as Pyridoxal-5-Phosphate)5 mg250%Vitamin B6 in HeartZest against 15,277 products5 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg5 mg

51% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folateas (6S)-5-Methyltetrahydrofolic Acid, Glucosamine SaltFolate (Form: as (6S)-5-Methyltetrahydrofolic Acid, Glucosamine Salt) (Alt. Name: Quatrefolic)400 mcg100%Folate in HeartZest 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 MethylcobalaminVitamin B12 (Form: as Methylcobalamin)50 mcg833%Vitamin B12 in HeartZest 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).

Calciumas Calcium CarbonateCalcium (Form: as Calcium Carbonate)70 mg7%Calcium in HeartZest against 17,831 products70 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg70 mg

65% of 17,831 products listing calcium give more (median 115 mg).

Magnesiumas DiMagnesium MalateMagnesium (Form: as Dimagnesium Malate)300 mg75%Magnesium in HeartZest against 14,003 products300 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg300 mg

Higher than 87% of 14,003 products listing magnesium (median 86 mg).

Potassiumas Potassium Aspartate ComplexPotassium (Form: as Potassium Aspartate Complex)99 mg3%Potassium in HeartZest against 11,614 products99 mg per serving; the middle half of products list 50 mg to 190 mg, the median 99 mg.DV 4,700 mg99 mg

49% of 11,614 products listing potassium give more (median 99 mg).

Source: NIH ODS Dietary Supplement Label Database, label 206614 (entered September 24, 2019), 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?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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 HeartZest'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 else is on the label?

Other ingredients: Microcrystalline Cellulose, Stearic Acid, Hypromellose, Croscarmellose Sodium, Titanium Dioxide, Magnesium Stearate, Silica, Macrogol, Hydroxypropyl Cellulose.

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

How many labels does HeartZest have?

One label is on file, entered on September 24, 2019.

  1. Label 206614 (current) Entered September 24, 2019 · on the market · 60 tablets

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

Who makes it?

The label names Primal Labs (manufacturer). All Primal Labs products.

Where next?