600 Calcium Supplement
21st Century
Score 58
An extremely budget-friendly calcium carbonate tablet providing a moderate dose of calcium, but it lacks Vitamin D3 for optimal absorption.
Score 58
An extremely budget-friendly calcium carbonate tablet providing a moderate dose of calcium, but it lacks Vitamin D3 for optimal absorption.
Also available as 3 options
Analysis
The 21st Century 600 Calcium Supplement provides 600 mg of elemental calcium as calcium carbonate in a tablet form. This is a straightforward, no-frills calcium supplement, offering a standard dose suitable for contributing to daily calcium intake needs. Calcium is essential for the structural integrity of bones and can play a role in maintaining healthy nails.
Its key advantage is the sheer quantity and very low price per serving, making it an exceptionally economical choice for long-term use. However, it does not include Vitamin D3, a critical nutrient that significantly improves calcium absorption and its effectiveness for bone health. Users might need to supplement with Vitamin D3 separately.
Pros
- Extremely low price per serving, making it highly economical.
- Very high quantity per bottle (400 servings) ensures long-term supply.
- Provides a standard dose (600 mg) of elemental calcium.
Cons
- Does not contain Vitamin D3, which is crucial for calcium absorption and utilization.
- Calcium carbonate may require food for optimal absorption and can sometimes cause digestive discomfort.
- Tablet form might be large for some to swallow.
Warnings
- Always take calcium carbonate with food to aid absorption.
- Consider adding a separate Vitamin D3 supplement for more effective bone health support.
- Ensure total daily calcium intake from all sources does not exceed recommended upper limits.
$11.99($0.02 per serving)
 iHerb | $ 11.99 |
Goals
Impact
Moderate effect
Calcium intake can support nail strength, and this product delivers a moderate amount.
Impact
Moderate effect
While providing calcium, a foundational nutrient for bones, the absence of Vitamin D3 significantly limits its effectiveness for optimal bone mineralization.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Calcium | 600 mg |
Calcium 62
This product offers a moderate dose of calcium from calcium carbonate, a common and concentrated form.
Its primary offering is a simple, high-quantity calcium source without additional co-factors.
Alternative products
78 Value 
Calcium 500+D3
21st Century
This option is not only more budget-friendly but also includes Vitamin D3, which is crucial for calcium absorption and not found in your current product. It offers 500 mg of calcium from oyster shell for improved overall bone and nail health.
75 Value 
600+D3
21st Century
For a very slight increase in cost per serving, this product matches your current 600 mg of calcium carbonate and adds Vitamin D3, significantly improving its effectiveness for bone and nail health without breaking the bank.
88 Value 
Calcium 500 mg with Vitamin D3
Nature's Bounty
While a bit more in cost per serving, this alternative provides 500 mg of calcium from oyster shell and includes Vitamin D3, offering a more effective solution for bone and nail health with a great overall value.
89 Performance 
Organic Plant Calcium
Garden of Life MyKind Organics
This plant-based calcium from organic algae is a comprehensive option, featuring both Vitamin D (D2, D3) and Vitamin K2 (Menaquinone-7), along with magnesium, which are all important cofactors for comprehensive bone and nail support.
88 Performance 
Bone Solid
Country Life
This is a robust bone-supporting formula, offering multiple forms of calcium, including Microcrystalline Hydroxyapatite (MCHA), alongside Vitamins D3 and K (Menaquinone, Phytonadione), and a broad spectrum of minerals like magnesium and zinc, which can contribute to enhanced bone density and nail strength.
88 Performance 
Bone Restore with Vitamin K2
Life Extension
This alternative provides an excellent blend for bone health, combining Vitamin D3 and a clinically relevant form of Vitamin K2 (Menaquinone-7). It also includes various well-absorbed calcium forms like bisglycinate chelate and dicalcium malate, plus magnesium and boron, offering more complete support for bones and nails.
78 Budget
Calcium 500+D3
21st Century
This alternative provides 500 mg of calcium from oyster shell along with Vitamin D3, which supports calcium absorption, at a significantly more budget-friendly cost per serving.
70 Budget 
C 250 mg
21st Century
While primarily a Vitamin C supplement, it does offer 140 mg of calcium carbonate at a comparable low cost per serving. For minimal calcium supplementation on a very tight budget, it could be an option, but for dedicated bone health, higher calcium options are usually preferred.
75 Budget
600+D3
21st Century
Although slightly higher in cost per serving than your current product, this option is still very budget-friendly. It provides 600 mg of calcium carbonate and includes Vitamin D3, which is crucial for calcium absorption and not present in your current product.
78 Value
Calcium 500+D3
21st Century
This option is not only more budget-friendly but also includes Vitamin D3, which is crucial for calcium absorption and not found in your current product. It offers 500 mg of calcium from oyster shell for improved overall bone and nail health.
75 Value
600+D3
21st Century
For a very slight increase in cost per serving, this product matches your current 600 mg of calcium carbonate and adds Vitamin D3, significantly improving its effectiveness for bone and nail health without breaking the bank.
88 Value
Calcium 500 mg with Vitamin D3
Nature's Bounty
While a bit more in cost per serving, this alternative provides 500 mg of calcium from oyster shell and includes Vitamin D3, offering a more effective solution for bone and nail health with a great overall value.
89 Performance
Organic Plant Calcium
Garden of Life MyKind Organics
This plant-based calcium from organic algae is a comprehensive option, featuring both Vitamin D (D2, D3) and Vitamin K2 (Menaquinone-7), along with magnesium, which are all important cofactors for comprehensive bone and nail support.
88 Performance
Bone Solid
Country Life
This is a robust bone-supporting formula, offering multiple forms of calcium, including Microcrystalline Hydroxyapatite (MCHA), alongside Vitamins D3 and K (Menaquinone, Phytonadione), and a broad spectrum of minerals like magnesium and zinc, which can contribute to enhanced bone density and nail strength.
88 Performance
Bone Restore with Vitamin K2
Life Extension
This alternative provides an excellent blend for bone health, combining Vitamin D3 and a clinically relevant form of Vitamin K2 (Menaquinone-7). It also includes various well-absorbed calcium forms like bisglycinate chelate and dicalcium malate, plus magnesium and boron, offering more complete support for bones and nails.