PlainVitamins

Heart DUO Microsolve

by FitLine · liquid · 1.72 fluid ounces

  • On the market (NIH)
  • DSLD label 334099
  • Serving 1.7 ml (36 drops (0.057 fl. oz.))
  • 30 servings

Heart DUO Microsolve by FitLine lists 10 ingredients, 10 with an amount per serving of 1.7 ml, such as 126 mg of omega-3 fatty acids, 15 mg alpha-TE of vitamin E, 0.2 mg of vitamin B1 and 3.2 mg of niacin, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Heart DUO Microsolve?

Each row as the label prints it, per serving of 1.7 ml. 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).

Heart DUO Microsolve: Supplement Facts rows against the market (DSLD label 334099, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories10 Calories
Total Fat0 g1%
Total Carbohydrates1 g1%Carbohydrate in Heart DUO Microsolve against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g).

Omega-3 Fatty Acidsas Schizochytrium sp. Oil126 mgOmega-3 in Heart DUO Microsolve against 2,714 products126 mg per serving; the middle half of products list 230 mg to 1,000 mg, the median 500 mg.126 mg

84% of 2,714 products listing omega-3 give more (median 500 mg).

Docosahexaenoic Acid125 mgDHA in Heart DUO Microsolve against 3,627 products125 mg per serving; the middle half of products list 104 mg to 400 mg, the median 232 mg.125 mg

69% of 3,627 products listing DHA give more (median 232 mg).

Eicosapentaenoic Acid1 mgEPA (Eicosapentaenoic Acid) in Heart DUO Microsolve against 3,134 products1 mg per serving; the middle half of products list 120 mg to 590 mg, the median 300 mg.1 mg

over 99% of 3,134 products listing EPA (eicosapentaenoic acid) give more (median 300 mg).

Vitamin Eas DL-Alpha-Tocopheryl Acetate15 mg alpha-TE67%
Alpha-Tocopherol10 mg
Vitamin B1as Thiamine Hydrochloride0.2 mg17%Thiamin in Heart DUO Microsolve against 9,830 products0.2 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg0.2 mg

97% of 9,830 products listing thiamin give more (median 5 mg).

Niacinas Niacinamide3.2 mg20%Niacin in Heart DUO Microsolve against 12,413 products3.2 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg3.2 mg

95% of 12,413 products listing niacin give more (median 20 mg).

Biotin8.5 mcg28%Biotin in Heart DUO Microsolve against 9,447 products8.5 mcg per serving; the middle half of products list 50 mcg to 300 mcg, the median 200 mcg.DV 30 mcg8.5 mcg

98% of 9,447 products listing biotin give more (median 200 mcg).

Vitamin D2as Ergocalciferol2.5 mcg (100 IU)13%Vitamin D in Heart DUO Microsolve against 14,175 products2.5 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg2.5 mcg

92% of 14,175 products listing vitamin D give more (median 15 mcg).

Coenzyme Q-1030 mgCoenzyme Q-10 in Heart DUO Microsolve against 2,922 products30 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.30 mg

67% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

Source: NIH ODS Dietary Supplement Label Database, label 334099 (entered September 25, 2025), version 9.4.0. See the label on DSLD or its label image (PDF). 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:

  • over 99% of the 3,134 products that print an amount of EPA (eicosapentaenoic acid) list more than its 1 mg of EPA (eicosapentaenoic acid) (median 300 mg).
  • 97% of the 9,830 products that print an amount of thiamin list more than its 0.2 mg of vitamin B1 (filed by NIH under thiamin) (median 5 mg).
  • 95% of the 12,413 products that print an amount of niacin list more than its 3.2 mg of niacin (median 20 mg).
  • 98% of the 9,447 products that print an amount of biotin list more than its 8.5 mcg of biotin (median 200 mcg).
  • 92% of the 14,175 products that print an amount of vitamin D list more than its 2.5 mcg (100 IU) of vitamin D (median 15 mcg (600 IU)).

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 Heart DUO Microsolve'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
Preparation: Add 36 drops (1.7 ml / 0.057 fl. oz.) once a day to still water.
Warnings
Contains: Soy, coconut.
Caution: Do not exceed the recommended servings per day. Dietary supplements should not be used as a substitute for a balanced diet and a healthy lifestyle.
Keep out of reach of young children.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 334099.

What else is on the label?

Other ingredients: Glycerol, Water, Soy Lecithin, Natural Flavors, Sunflower Oil, Ginger Root Extract, Vegetable Oil, Tocopherol-Rich Extract, Ascorbic Acid, Rosemary Extract, DL-Alpha Tocopherol.

How many labels does Heart DUO Microsolve have?

One label is on file, entered on September 25, 2025.

  1. Label 334099 (current) Entered September 25, 2025 · on the market · 1.72 fluid ounces

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

Who makes it?

The label names PM-International Group (distributor). All FitLine products.

Where next?