Magnesium & Calcium
NOW
Magnesium & Calcium
4.8
★ ★ ★ ★ ★
(16707 ratings)
Magnesium 800 mg
Zinc 15 mg
Calcium 400 mg
Score 92.0
This NOW supplement aims to support a wide range of health goals, leveraging a combination of highly bioavailable forms of magnesium, calcium, zinc, and vitamin D3. The inclusion of diverse magnesium chelates and Aquamin TG for calcium significantly enhances absorption and overall efficacy compared to products relying solely on less bioavailable forms.
Quantity: 100 Tablet(s)Servings size: 3 Tablet(s) (33 servings)
Selected goals:
Other goals:
Stress Relief
Mood Support
Bone Health
Sleep Support
Heart Health
leaderboard Score 92.0
This NOW supplement aims to support a wide range of health goals, leveraging a combination of highly bioavailable forms of magnesium, calcium, zinc, and vitamin D3. The inclusion of diverse magnesium chelates and Aquamin TG for calcium significantly enhances absorption and overall efficacy compared to products relying solely on less bioavailable forms.
insights Analysis
This product stands out due to its comprehensive formulation, incorporating multiple forms of Magnesium (Taurinate, Oxide, Citrate, Glycinate, Aquamin TG), Calcium (Aquamin TG, Calcium Citrate), Zinc (L-OptiZinc Monomethionine), and Vitamin D3. The presence of highly absorbable magnesium forms like glycinate, citrate, and taurinate, along with Aquamin TG (a natural, multi-mineral source of calcium and magnesium), suggests a strong focus on bioavailability and reduced gastrointestinal discomfort often associated with less effective forms like magnesium oxide. The inclusion of Vitamin D3 is crucial as it significantly aids in calcium absorption and utilization, while L-OptiZinc is a superior form of zinc with better absorption and retention. This well-rounded profile targets various health aspects from bone and heart health to energy and stress relief effectively.
- Contains multiple highly bioavailable forms of magnesium (Glycinate, Citrate, Taurinate), which are superior for absorption and gentle on the stomach.
- Includes Aquamin TG, a natural, multi-mineral source for both calcium and magnesium, enhancing the spectrum of trace minerals.
- Features L-OptiZinc (Zinc Monomethionine), a well-absorbed and effective form of zinc.
- Contains Vitamin D3, essential for calcium absorption and overall bone health.
- Comprehensive formulation targeting a broad range of health goals.
- The price per serving is higher than some basic Calcium/Magnesium/Zinc supplements, but justified by the quality of ingredients.
- The inclusion of Magnesium Oxide, while common, is less bioavailable than other forms present; however, its impact is mitigated by the presence of superior forms.
- Always consult a healthcare professional before starting any new supplement, especially if you have pre-existing conditions or are taking other medications, due to potential interactions or excessively high mineral intake if the listed quantities were literal elemental amounts.
$11.29($0.34 per serving)
 Vitacost | $ 11.29 | |
 Daily Vita | $ 11.60 | |
 iHerb | $ 12.24 | |
 Amazon | $ 14.38 | |
 Walmart | $ 14.95 |
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 | 25 mcg |
Calcium | 400 mg |
Magnesium | 800 mg |
Zinc | 15 mg |
Categories
Magnesium 95.0
This product excels in its magnesium content by including multiple highly bioavailable forms such as Magnesium Citrate, Glycinate, and Taurinate, in addition to Aquamin TG. This diverse blend ensures excellent absorption, reduced digestive upset, and caters to various magnesium-dependent bodily functions, making it a superior choice for magnesium supplementation.
Calcium 90.0
The product uses a combination of Calcium Citrate and Aquamin TG (seaweed-derived minerals), which are generally well-absorbed forms of calcium. The inclusion of Vitamin D3 further optimizes calcium absorption and utilization in the body, making it an effective calcium supplement.
Zinc 90.0
The inclusion of L-OptiZinc Monomethionine is a significant advantage, as it is a chelated form known for its superior absorption and bioavailability compared to common forms like zinc oxide. This ensures efficient delivery of zinc for immune, metabolic, and other essential functions.
Goals
Bone Health 95.0
The product provides a synergistic blend of Calcium (including Aquamin TG and Citrate forms for better absorption), Magnesium (essential for bone structure and density), and Vitamin D3 (critical for calcium absorption and bone mineralization). The combination of these key minerals and co-factors is highly effective for maintaining strong bones and preventing mineral deficiencies that contribute to bone loss.
General Health 92.0
This supplement provides essential minerals (Calcium, Magnesium, Zinc) and Vitamin D3 that are commonly deficient in modern diets and are critical for numerous bodily functions, including nerve, muscle, immune, and metabolic processes. Its broad spectrum of benefits makes it excellent for overall well-being.
Heart Health 90.0
Magnesium, particularly forms like Taurinate, plays a vital role in regulating blood pressure, heart rhythm, and nerve function, all critical for cardiovascular health. Calcium is also essential for heart muscle contraction, and maintaining a proper balance of these minerals is crucial for heart function.
Recommended Alternatives
95 Value 
Calcium Bone Maker Complex with MCH-Cal and VitaMK7
Doctor's Best
4.7
★★★★★
(6735 ratings)
Exceptional value, combining top-tier ingredients like MCH-Cal and highly bioavailable magnesium malate, and K2 at a lower price per serving than the original, offering outstanding quality for the cost.
80 Value 
Zinc Magnesium & Vitamin B6
Sierra Fit
4.7
★★★★★
(922 ratings)
While lacking Calcium, it offers excellent forms of Zinc (Aspartate, L-Monomethionine) and Magnesium (Citrate) at a very competitive price, representing great value for these two key minerals.
88 Value 
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
If magnesium is a primary focus, this product offers a blend of highly bioavailable magnesium forms (TRAACS Lysyl Glycinate Chelate, Succinate, Citrate) at an outstanding price per serving, providing excellent value for magnesium supplementation.
98 Performance 
Raw Calcium
Garden of Life Vitamin Code
4.6
★★★★★
(4135 ratings)
Superior, whole-food derived calcium and magnesium from algae, along with vital cofactors like Vitamin K2, Boron, Strontium, and probiotics for enhanced bone health and nutrient assimilation.
97 Performance 
Bone Solid
Country Life
4.6
★★★★★
(725 ratings)
Features Microcrystalline Hydroxyapatite (MCHA) for highly bioavailable calcium and phosphorus, complemented by a comprehensive spectrum of chelated magnesium, zinc, and other crucial bone-building nutrients.
94 Performance 
Cal/Mag/Vit D3 with Vitamin K2
NaturesPlus
4.6
★★★★★
(2209 ratings)
Delivers highly absorbable amino acid chelated forms of calcium and magnesium, crucially augmented with Vitamin K2, which helps direct calcium to bones for optimal utilization.
70 Budget 
Calcium Magnesium Zinc
Nature's Bounty
4.8
★★★★★
(59702 ratings)
Offers a comprehensive blend of Calcium, Magnesium, Zinc, and Vitamin D3 at an exceptionally low price per serving, providing a very budget-friendly option.
60 Budget 
Calcium Magnesium Zinc + D3
21st Century
4.7
★★★★★
(97627 ratings)
A significantly more affordable complex that includes Calcium, Magnesium, Zinc, and Vitamin D3, making it accessible for basic mineral supplementation, despite less premium forms.
65 Budget 
Calcium Magnesium & Zinc
Sundown
4.7
★★★★★
(25011 ratings)
Offers a cost-effective blend of Calcium, Magnesium, and Zinc, suitable for those looking for a balanced mineral supplement without breaking the bank.
95 Value
Calcium Bone Maker Complex with MCH-Cal and VitaMK7
Doctor's Best
4.7
★★★★★
(6735 ratings)
Exceptional value, combining top-tier ingredients like MCH-Cal and highly bioavailable magnesium malate, and K2 at a lower price per serving than the original, offering outstanding quality for the cost.
80 Value
Zinc Magnesium & Vitamin B6
Sierra Fit
4.7
★★★★★
(922 ratings)
While lacking Calcium, it offers excellent forms of Zinc (Aspartate, L-Monomethionine) and Magnesium (Citrate) at a very competitive price, representing great value for these two key minerals.
88 Value
Magnesium Caps 500 mg
Life Extension
4.8
★★★★★
(71620 ratings)
If magnesium is a primary focus, this product offers a blend of highly bioavailable magnesium forms (TRAACS Lysyl Glycinate Chelate, Succinate, Citrate) at an outstanding price per serving, providing excellent value for magnesium supplementation.
98 Performance
Raw Calcium
Garden of Life Vitamin Code
4.6
★★★★★
(4135 ratings)
Superior, whole-food derived calcium and magnesium from algae, along with vital cofactors like Vitamin K2, Boron, Strontium, and probiotics for enhanced bone health and nutrient assimilation.
97 Performance
Bone Solid
Country Life
4.6
★★★★★
(725 ratings)
Features Microcrystalline Hydroxyapatite (MCHA) for highly bioavailable calcium and phosphorus, complemented by a comprehensive spectrum of chelated magnesium, zinc, and other crucial bone-building nutrients.
94 Performance
Cal/Mag/Vit D3 with Vitamin K2
NaturesPlus
4.6
★★★★★
(2209 ratings)
Delivers highly absorbable amino acid chelated forms of calcium and magnesium, crucially augmented with Vitamin K2, which helps direct calcium to bones for optimal utilization.