Calcium Magnesium Zinc + D3
21st Century
Calcium Magnesium Zinc + D3
4.7
★ ★ ★ ★ ★
(97627 ratings)
Calcium 1000 mg
Zinc 15 mg
Magnesium 400 mg
Score 65.0
Affordable and includes D3, but uses less bioavailable mineral forms.
Quantity: 90 Tablet(s)Servings size: 3 Tablet(s) (30 servings)
Selected goals:
Other goals:
Joint Health
Bone Health
Heart Health
Muscle Gain
Fitness
leaderboard Score 65.0
Affordable and includes D3, but uses less bioavailable mineral forms.
insights Analysis
The 21st Century Calcium Magnesium Zinc + D3 supplement is a highly popular and affordable option, providing the three key minerals along with essential Vitamin D3. The inclusion of D3 is a significant advantage for bone health, ensuring better calcium utilization. However, the choice of less bioavailable mineral forms (carbonates and oxides) means that a portion of the nutrients might not be absorbed as efficiently as with more advanced chelated or citrate forms. Despite this, its accessibility and the presence of D3 make it a solid budget-friendly choice for general mineral supplementation.
- Very affordable price per serving, offering great value for money.
- Includes Vitamin D3, which is crucial for calcium absorption and bone health.
- Provides all three essential minerals (Calcium, Magnesium, Zinc) in one supplement.
- Uses less bioavailable forms of calcium (Calcium Carbonate), magnesium (Magnesium Oxide), and zinc (Zinc Oxide).
- Less absorbable forms may lead to digestive discomfort for some individuals.
- Individuals with sensitive stomachs may experience mild digestive upset due to the carbonate and oxide forms of minerals.
$5.49($0.18 per serving)
 iHerb | $ 5.49 | |
 Pure Formulas | $ 5.82 | |
 Amazon | $ 8.41 |
bolt Effectiveness for goals
Zinc is essential for the normal development and function of immune cells, playing a critical role in immune responses. It helps regulate various immune processes, supporting the body's ability to defend against pathogens. Maintaining adequate zinc levels is crucial for a robust and responsive immune system.
Calcium is a fundamental mineral for bone health, playing a crucial role in building and maintaining bone density throughout life. Adequate calcium intake, combined with vitamin D, is essential for reducing the risk of osteoporosis. Dietary sources are generally preferred, but supplements can help bridge gaps.
Calcium is the primary mineral component of bones and teeth, providing their structural integrity and hardness. Adequate intake throughout life is essential for developing and maintaining bone density, which can help reduce the risk of osteoporosis. The body also uses calcium for vital metabolic functions, drawing it from bones if dietary intake is insufficient.
Studies suggest that zinc lozenges or syrup, when taken within 24 hours of cold symptoms appearing, may reduce the duration of the common cold. Its effectiveness can vary depending on the specific form and dosage. More research is needed to determine optimal use.
Some scientific evidence suggests that zinc supplementation, particularly in lozenge or syrup form, when started within 24 hours of cold symptom onset, may reduce the duration of the common cold. The effectiveness can vary among individuals and specific preparations. Zinc's role in immune function is thought to contribute to these potential benefits.
schedule Dosage, timing & forms
It's generally advised to separate the intake of calcium and zinc, as calcium can interfere with zinc absorption. Magnesium can often be taken with either, though very high doses of calcium might affect magnesium absorption. Many experts suggest taking zinc and magnesium together, and calcium at a separate time.
Yes, high doses of calcium, particularly from supplements, can inhibit the absorption of zinc in the digestive tract. To optimize the uptake of both minerals, it is generally recommended to take calcium and zinc supplements at different times of the day. This separation helps minimize potential competition for absorption.
A common strategy involves taking zinc and magnesium together, often with a meal, and then taking calcium at a completely separate meal or later time of day. This method helps mitigate potential absorption interference, particularly between calcium and zinc. Always adhere to product-specific instructions and consider personal tolerance.
Highly bioavailable forms of magnesium, meaning they are well-absorbed by the body, include magnesium glycinate (or bisglycinate), citrate, and malate. Magnesium L-threonate is specifically noted for its ability to cross the blood-brain barrier. Magnesium oxide, while containing a high percentage of elemental magnesium, is generally considered to have lower bioavailability for systemic use.
Common forms include Calcium Carbonate, which is inexpensive and high in elemental calcium but requires stomach acid for absorption. Calcium Citrate is another widely available form, which is more easily absorbed and does not require stomach acid, making it suitable for those with lower stomach acid. Other forms like Calcium Gluconate and Calcium Lactate are also available, each differing in elemental calcium content and absorption properties.
health_and_safety Safety & interactions
Yes, these minerals can interact with certain types of antibiotics, particularly tetracyclines and fluoroquinolones, by binding to them in the digestive tract and reducing their absorption and effectiveness. It is generally advised to take these mineral supplements several hours before or after antibiotic doses. Always consult a healthcare professional regarding specific medication interactions.
Yes, diarrhea is a common side effect of magnesium supplements, especially with higher doses or certain forms like magnesium citrate. This laxative effect is sometimes utilized for constipation relief. Reducing the dose or changing the form of magnesium may help mitigate this effect.
While it's generally possible to take these minerals together, some potential interactions exist. For example, high doses of calcium or zinc can interfere with the absorption of the other, and zinc can affect copper absorption. Taking them with food can sometimes help, but for optimal absorption, some individuals might prefer separating them by a few hours or consulting a healthcare professional.
Generally, it is safe to take magnesium and calcium together, as they often work synergistically in the body. However, very high doses of one can potentially interfere with the absorption of the other. Some experts suggest taking them at different times, or in balanced ratios, to optimize absorption.
Common side effects of zinc can include nausea, vomiting, diarrhea, and a metallic taste. Taking zinc with food may help reduce gastrointestinal upset. Prolonged high-dose zinc supplementation can also lead to copper deficiency.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Vitamin D3 | 10 mcg |
Calcium | 1000 mg |
Magnesium | 400 mg |
Zinc | 15 mg |
Categories
Calcium 65.0
The product provides a substantial dose of Calcium Carbonate (1000mg) and importantly includes Vitamin D3 (10mcg), which significantly enhances its absorption and efficacy for bone health. While carbonate is less bioavailable, D3 compensates well.
Magnesium 60.0
It contains 400mg of Magnesium, but in the form of Magnesium Oxide, which is known for lower bioavailability compared to other forms like citrate or glycinate. This limits its effectiveness for individuals with significant magnesium deficiencies, despite the adequate dosage.
Zinc 60.0
The product offers 15mg of Zinc in the form of Zinc Oxide. While this dosage is sufficient, Zinc Oxide is less bioavailable than forms like zinc gluconate or picolinate, meaning a smaller portion may be absorbed and utilized by the body.
Goals
Bone Health 75.0
The inclusion of Vitamin D3 significantly boosts calcium absorption, making this product effective for bone health despite the calcium carbonate form. Magnesium and Zinc further contribute as cofactors, providing comprehensive support for bone density and strength.
General Health 70.0
As a multi-mineral supplement containing essential Calcium, Magnesium, and Zinc, along with Vitamin D3, it provides foundational support for numerous bodily functions. While forms are basic, it covers key micronutrient needs for overall well-being at an accessible price.
Joint Health 65.0
Magnesium and zinc contribute to joint health through their anti-inflammatory and tissue repair properties. While the forms used are not optimal for absorption, the presence of these minerals still offers some level of support for maintaining healthy joints and connective tissues.
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