Magnesium & Calcium®

Other Combinations

Brand: NOW

Tablet or PillOther CombinationsOff Market
Click to view full label

Net Contents

100 Tablet(s)

Serving Size

3 Tablet(s)

Servings Per Container

33

Supplement Form

Tablet or Pill

Bar Code (UPC/SKU)

7 33739 01277 7

Product Version

CODE 1277B V4

Label Analysis

Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.

4Active Ingredients

4 distinct active ingredients are disclosed in Supplement Facts.

100%Amount Transparency

Every active ingredient discloses a specific amount per serving.

4% Daily Value Coverage

4 ingredients report a %DV; 3 meet or exceed 100% DV.

1Dietary Attributes

Label states: Gluten-Free.

This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.

Allergen Guide

Contains

  • Milk
  • Egg
  • Shellfish
  • Wheat
  • Soy
  • Gluten

Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.

Supplement Facts

Serving Size: 3 Tablet(s) · 1 per day

IngredientAmount Per Serving% Daily Value
Vitamin D3(Cholecalciferol)1000 IU250%
Calcium400 mg40%
Calcium Carbonate300 mg
Calcium Aspartate33 mg
Calcium Lysinate33 mg
Calcium Citrate33 mg
Magnesium800 mg200%
from Magnesium Oxide600 mg
Magnesium Aspartate50 mg
Magnesium Taurinate50 mg
Magnesium Glycinate50 mg
and Magnesium Citrate50 mg
Zinc(L-OptiZinc Monomethionine)15 mg100%

Not Present

Other Ingredients

CelluloseMaltodextrinStearic AcidCroscarmellose SodiumSilicaMagnesium StearateVegetable Coating

Target Groups

Adult (18 - 50 Years)Gluten FreeDairy Free

Label Claims

NutrientAll OtherStructure/Function

Directions & Suggested Use

Suggested/Recommended/Usage/Directions

SUGGESTED USAGE: As a dietary supplement, take 3 tablets daily, preferably with meals or at bedtime. Consider taking this product in combination with NOW(R) OsteoBoron(R), Bromelain and Vitamin K-2.

Storage

Storage

Store in a cool, dry place.

Formulation

Formula re: Contains

Reverse 2:1 Ratio with Zinc and Vitamin D-3

Formula re: Contains

Contains soy derivative.

Formulation re: Does NOT Contain

Contains no salt, yeast, wheat, gluten, milk, egg, shellfish or preservatives.

FDA Statements

FDA Statement of Identity

A Dietary Supplement

FDA Disclaimer Statement

*These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure or prevent any disease.

Other Label Statements

Brand IP Statement(s) re: (c), (TM), (SM)

L-OptiZinc(R) is a registered trademark of InterHealth Corp.

General Statements: All Other Content

Please Recycle. ACTUAL SIZE

General Statements: All Other Content

NERVE AND BONE SUPPORT*

Seals/Symbols

GMP QUALITY ASSURED

General Statements: All Other Content

Made in the U.S.A.

General Statements: All Other Content

This reverse ratio formula is designed to provide higher levels of Magnesium for those who desire the nerve, muscle and bone supporting effects of this essential mineral. Zinc and Magnesium are involved in hundreds of enzyme systems in the body.*

General: Product/Version Code

CODE 1277B V4

Manufacturer & Distributor

Manufacturer

NOW FOODS

395 S. Glen Ellyn Rd., Bloomingdale, IL, 60108

Market Reference

$8.29 – $144.70· 40 listings
  • Now Foods Magnesium & Calcium 100 Tablets

    Walmart4.8(1700)
    $15.96
  • Now Foods Calcium & Magnesium Softgels

    Target4.7(4900)
    $14.99
  • NOW Foods Magnesium & Calcium 100 Tablets

    NOW4.8(184)
    $19.99
  • NOW Calcium & Magnesium 250 Tablets

    Walmart4.8(8800)
    $12.64
  • NOW Foods Calcium & Magnesium 250 Tablets

    Meijer4.8(8800)
    $27.99
  • NOW Foods Cal-Mag Stress Formula 100 Tablets

    Capitol Nutrition Schererville4.6(31)
    $10.95
  • Now Foods Cal- Mag Caps 240 Caps

    Muscle & Strength4.7(289)
    $9.99
  • Now Foods Calcium & Magnesium Powder 8 oz

    Target4.7(415)
    $16.99

Where to Buy Locally

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Research & Studies

  • Perspective: characterization of dietary supplements containing calcium and magnesium and their respective ratio—is a rising ratio a cause for concern?

    RB Costello, A Rosanoff, Q Dai, LG Saldanha… - Advances in …, 2021 - Elsevier

    … a calcium supplement with a mean dose of 479 mg/d. Our review of Ca:Mg ratios in dietary supplements sold in … In the NIH-AARP Diet and Health Study (19), increasing magnesium was …

    202175 citations
  • An update on magnesium and bone health

    M Rondanelli, MA Faliva, A Tartara, C Gasparri… - Biometals, 2021 - Springer

    … replacement therapy in place, of a supplement of Mg and Calcium for 6–12 months. 26 women … the intake of a complete supplement containing 500 mg of calcium as citrate salt and 200 …

    2021261 citations
  • Calcium supplementation

    SJ Whiting, R Wood, K Kim - … of the American Association of Nurse …, 1997 - journals.lww.com

    … T here is now unequivocal evidence that provision of high … safety of calcium supplements so that health professionals can be … A calcium supplement providing 100 mg of magnesium for …

    199718 citations
  • Magnesium: A mineral essential for health yet generally underestimated or even ignored

    AA Ismail, NA Ismail - J. Nutr. Food Sci, 2016 - researchgate.net

    … in some way it was good for health and promoted longevity. Even now, it is surprising to know that … risk of cardiovascular events in patients receiving calcium supplementation [30,31]. …

    201672 citations
  • Cardiovascular safety of calcium, magnesium and strontium: what does the evidence say?

    EM Curtis, C Cooper, NC Harvey - Aging Clinical and Experimental …, 2021 - Springer

    … and cardiovascular health. We conclude that calcium supplementation (for bone health) is most … Strontium ranelate, which is now available again as a generic medication, has clear anti-…

    202150 citations
  • Calcium supplementation in clinical practice: a review of forms, doses, and indications

    DA Straub - Nutrition in clinical practice, 2007 - Wiley Online Library

    … that calcium supplementation (500–1200 mg/d) decreased bone loss. Women who received … Now, the most recent findings from the Health Professionals Follow-up Study have found …

    2007598 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2013-04-25. DSLD Label ID: 14545. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.