Product Label

Nature's Bounty Calcium Magnesium Zinc With Vitamin D3

Brand: Nature's Bounty · Form: SUPPLEMENT FORM, OTHER [E0172]

Our assessment

The evidence shows that Nature's Bounty Calcium Magnesium Zinc With Vitamin D3 is a combination supplement designed to support bone health. Our assessment is that the key ingredient, calcium, plays a well-documented role in bone mineralization, but you should be aware of specific safety considerations and potential medication interactions before starting this supplement [NIH ODS].

How it works

Think of calcium as a structural building block for your bones. It supports bone density by aiding in mineral deposition and also helps with neuromuscular relaxation and nerve signaling [NIH ODS]. This combination product includes magnesium and zinc, which work alongside calcium to support overall health, but the primary mechanism is calcium's role in maintaining strong bones.

Safety profile

The FDA has received a total of 592,059 adverse event reports across all dietary supplements, though specific numbers for this product are not isolated [FDA data]. For the calcium component, some research suggests that high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. High levels of calcium in the blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of several medications, including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].

Our recommendation

Start by checking if you actually need a calcium supplement, as many people get enough from diet alone. If you take this product, be sure to take it at a different time than any prescription medications, especially thyroid medication or antibiotics. Data not available on the specific dosage per tablet in this formula, so follow the label instructions. Our recommendation is to discuss this supplement with your healthcare provider, particularly if you have a history of kidney stones or heart disease [NIH ODS].

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandNature's Bounty
Serving Size
Contents100.0 Coated Caplet(s)
Market StatusOff Market

How to Read This Label

Supplement labels contain several key sections regulated by the FDA:

  • Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
  • Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
  • % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
  • Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
  • Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.

Source: FDA Dietary Supplement Labeling Guide

Original Label

View Full DSLD Label (PDF)

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