PlainVitamins

Marine Based Cal-Mag 500/250 mg

by Nature's Answer · liquid · 16 fl. Oz.

  • On the market (NIH)
  • UPC 0 83000 26124 4
  • DSLD label 239415
  • Serving 15 ml (1 Tablespoon)
  • 32 servings

Marine Based Cal-Mag 500/250 mg by Nature's Answer lists 2 ingredients, 2 with an amount per serving of 15 ml, such as 500 mg of calcium and 250 mg of magnesium, beside 2 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on January 22, 2021.

What is in Marine Based Cal-Mag 500/250 mg?

Each row as the label prints it, per serving of 15 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).

Marine Based Cal-Mag 500/250 mg: Supplement Facts rows against the market (DSLD label 239415, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories32 Calories
Total Carbohydrates8 g3%Carbohydrate in Marine Based Cal-Mag 500/250 mg against 21,979 products8 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.8 g

Higher than 82% of 21,979 products listing carbohydrate (median 3 g).

Calciumas Aquamin Red Algae, SeawaterCalcium (Form: from Aquamin Red Algae (Form: from Lithothamnium Genus: Lithothamnium Species: sp. SubSpecies: Thallus), and Seawater)500 mg50%Calcium in Marine Based Cal-Mag 500/250 mg against 17,831 products500 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg500 mg

Higher than 85% of 17,831 products listing calcium (median 115 mg).

Magnesiumas Aquamin Seawater, Magnesium HydroxideMagnesium (Form: from Aquamin Seawater, Magnesium Hydroxide)250 mg62%Magnesium in Marine Based Cal-Mag 500/250 mg against 14,003 products250 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg250 mg

Higher than 83% of 14,003 products listing magnesium (median 86 mg).

Sodium15 mg1%Sodium in Marine Based Cal-Mag 500/250 mg against 14,514 products15 mg per serving; the middle half of products list 15 mg to 142 mg, the median 55 mg.15 mg

72% of 14,514 products listing sodium give more (median 55 mg).

Source: NIH ODS Dietary Supplement Label Database, label 239415 (entered January 22, 2021), 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 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?

4 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
Suggested Use: As a dietary supplement, take one (1) tablespoon (15 mL) per day. May be taken with water and/or your favorite beverage. Shake well before use.
Warnings
Warning: Keep out of reach of children.
Do not use if safety seal is damaged or missing.
If you are pregnant, nursing, taking any medications, planning any medical procedure or have a medical condition, consult with your healthcare practitioner before use.
Allergens and what it does not contain
Gluten Free
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 239415.

What else is on the label?

Other ingredients: purified Water, Glycerin, natural Vanilla flavor, Acacia Gum, Xanthan Gum.

How many labels does Marine Based Cal-Mag 500/250 mg have?

2 labels are on file under this name since January 22, 2021: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 239415 (current) Entered January 22, 2021 · on the market · 16 fl. Oz. · UPC 0 83000 26124 4
  2. Label 239386 Entered January 22, 2021 · on the market · 120 Vegetarian Capsules · UPC 0 83000 16461 3

DSLD also links this label to: Plant Based Cal-Mag 500/250 mg Liquid Vanilla Cream Flavor (image difference, same product), Plant Based Magnesium 500 mg Liquid Vanilla Cream Flavor (image difference, same product), Plant Based Cal-Mag 500/250 mg Liquid Vanilla Cream Flavor (image difference, same product), Plant Based Magnesium 500 mg Liquid Vanilla Cream Flavor (image difference, same product), Plant Based Cal-Mag 500/250 mg Liquid Vanilla Cream Flavor (image difference, same product), Marine Based Magnesium 500 mg Vanilla Cream Flavored (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 Nature's Answer (manufacturer), Hauppauge, NY. All Nature's Answer products.

Where next?