21st Century Calcium 500 Plus Extra D3 Caplets, Bone Health, 400 Count

Support for bone health, 500mg calcium and 600 IU vitamin D3 in each easy to swallow caplet

21st Century

Item #: 2107524

21st Century Calcium 500 Plus Extra D3 Caplets, Bone Health, 400 Count

89% of respondents would recommend this to a friend

Item #: 2107524

NZD 34

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Support for bone health, 500mg calcium and 600 IU vitamin D3 in each easy to swallow caplet

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What Stands Out

High Calcium Content

Each caplet delivers 500 mg of calcium, supporting bone strength and overall health, making it an excellent choice for those seeking optimal calcium intake.

Vitamin D Included

Fortified with extra vitamin D, this formula enhances calcium absorption, ensuring maximum benefits for bone density and immune function.

Convenient Packaging

With 400 caplets per bottle, this product provides a long-lasting supply, ideal for families or individuals wanting to maintain consistent supplementation without frequent reordering.

Product Details

Contains 500mg calcium and 600 IU vitamin D3 per caplet for bone health support
Comparison with Os-Cal Extra D3 in active ingredients
No added sugar, yeast, preservatives or artificial flavors
Gluten-free formula
Manufactured in a CGMP facility meeting strict standards for quality and purity
Product not evaluated by the Food and Drug Administration for diagnosing, treating, curing, or preventing any disease

Product Dimensions	3.13 x 3.13 x 6.5 inches (8 x 8 x 16.5 cm); 1.47 pounds (670 grams)
Item model number	27522
Date First Available	December 9, 2013
Manufacturer	21st Century Vitamins
Item Form	Tablet
Primary Supplement Type	Calcium
Flavor	Unflavored
Product Benefits	Bone Strength
Diet Type	Gluten Free
Unit Count	400 Count
Number of Items	1
Item Weight	1.5 pounds (680 grams)
Brand Name	21st Century
UPC	740985275221
Model Number	27522
Manufacturer Part Number	BCH-121
Material Type Free	Gluten Free

Who Should Buy?

Bone Health
Ideal for individuals seeking to strengthen bones and prevent osteoporosis through enhanced calcium and vitamin D intake.
Postmenopausal Women
Beneficial for postmenopausal women who require additional calcium and vitamin D to support bone density.
Active Seniors
Perfect for active seniors looking to maintain healthy bones and overall mobility as they age.

Hypercalscemia Risk
Not suitable for individuals with a history of hypercalcemia or increased calcium levels in the blood.

Product Description

21st Century Calcium 500 Plus Extra D3 Caplets, Bone Health, 400 Count

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Product Buying Guide

Calcium is an essential mineral for maintaining bone health. When combined with vitamin D3, it aids in calcium absorption, ensuring the strength and integrity of bones. The 21st Century Vitamins Calcium 500 Plus Extra D Caplets offer an excellent source of both calcium and vitamin D3 in each easy-to-swallow caplet. With no added sugar, yeast, preservatives, or artificial flavors, this product is a high-quality option for those seeking to support their bone health. Continue Reading

Customer Questions & Answers

Question: What are the benefits of taking 21st Century Vitamins Calcium 500 Plus Extra D Caplets?

Answer: 21st Century Vitamins Calcium 500 Plus Extra D Caplets are designed to support bone health and overall wellness. Calcium is a vital mineral that helps build and maintain strong bones, while vitamin D enhances calcium absorption in the body. This combination is particularly important for individuals who may not get enough calcium from their diet alone, such as postmenopausal women and those with lactose intolerance. Regular use can promote strong skeletal structure and may reduce the risk of osteoporosis.
Question: How should I take 21st Century Vitamins Calcium 500 Plus Extra D Caplets?

Answer: It is recommended to take two caplets daily with a meal to maximize absorption and minimize stomach discomfort. By pairing this supplement with food, you not only enhance the uptake of calcium and vitamin D but also foster a routine that helps remind you to take your vitamins. For anyone balancing a busy lifestyle, integrating these caplets into your daily meals can provide a consistent way to support your health.
Question: Are there any side effects associated with 21st Century Vitamins Calcium 500 Plus Extra D Caplets?

Answer: Generally, 21st Century Vitamins Calcium 500 Plus Extra D Caplets are safe for most individuals when taken as directed. Some people may experience mild gastrointestinal issues, such as bloating or constipation, particularly if taken without food. If you have any pre-existing health conditions or are on other medications, consider consulting a healthcare professional before starting any new supplement. Monitoring how your body responds can help mitigate any potential discomfort.
Question: Can children take 21st Century Vitamins Calcium 500 Plus Extra D Caplets?

Answer: While the caplets are formulated for adults, children typically require different dosages based on their age and nutritional needs. Therefore, it is best to consult a pediatrician before giving these supplements to children. They can provide appropriate guidance on calcium and vitamin D supplementation for younger individuals, ensuring that their unique health requirements are adequately met.
Question: How do I know if I need calcium and vitamin D supplements?

Answer: Determining whether you need calcium and vitamin D supplements can be influenced by factors such as age, lifestyle, dietary habits, and existing health conditions. For instance, individuals with limited sun exposure, lactose intolerance, or those following strict vegan diets may be at risk for deficiencies. A healthcare provider can assess your dietary intake and recommend testing if there's a concern about bone health. Keeping track of your nutrition can help guide your decision on supplementation.
Question: Is 21st Century Vitamins Calcium 500 Plus Extra D Caplets suitable for vegetarians?

Answer: Yes, the caplets are vegetarian-friendly, as they do not contain animal-derived ingredients. This makes them a suitable option for individuals following vegetarian diets looking to increase their calcium intake without compromising on their dietary choices. Being mindful of ingredient sourcing ensures that your health recommendations align with your lifestyle values, thus promoting a well-rounded approach to nutrition.
Question: Where are 21st Century Vitamins Calcium 500 Plus Extra D Caplets manufactured?

Answer: 21st Century Vitamins Calcium 500 Plus Extra D Caplets are manufactured in the United States under stringent quality control measures. This ensures that the product meets established safety and efficacy standards, offering users confidence in their supplementation choices. Knowing the manufacturing origin can provide peace of mind, particularly for those concerned about the quality and sourcing of their vitamins.
Question: Can taking too much calcium be harmful?

Answer: Yes, excessive calcium intake can lead to health issues such as kidney stones or interfere with the absorption of other essential minerals. It is important to adhere to recommended dosages and not exceed the upper limits set by dietary guidelines. Monitoring your calcium intake from both supplements and food sources can help maintain a healthy balance and promote optimal health, reducing the potential risks associated with overconsumption.
Question: What other vitamins and minerals work well with calcium and vitamin D?

Answer: Magnesium and zinc are two essential minerals that work synergistically with calcium and vitamin D. Magnesium aids in the regulation of calcium levels and is important for bone structure, while zinc supports immune function. Consuming a balanced diet rich in these nutrients or considering a multivitamin can help create a comprehensive approach to ensuring your body receives all the necessary support for bone and overall health.
Question: Where can I buy 21st Century Vitamins Calcium 500 Plus Extra D Caplets in New Zealand?

Answer: You can purchase 21st Century Vitamins Calcium 500 Plus Extra D Caplets from Ubuy, which offers a wide range of health and wellness products. Ubuy provides a convenient online shopping experience, ensuring that you can find this specific supplement easily and have it delivered to your door, making it a great choice for keeping your vitamin regimen on track.

Nutritionist's Take

21st Century Vitamins Calcium 500 Plus Extra D Caplets offer a combination of calcium and vitamin D, which are essential for maintaining bone health. Calcium is crucial for bone density, while vitamin D helps enhance calcium absorption and supports immune function. The 500 mg dosage of calcium per caplet is generally within recommended levels for adults, making it suitable for those who may not get enough calcium through diet alone. However, potential drawbacks include the reliance on supplements rather than obtaining nutrients through food, which provides a range of additional health benefits. Additionally, excessive calcium intake could lead to kidney stones or other health issues. Ingredient quality is a consideration, as fillers and additives can vary among brands. Overall, while this product can be beneficial, consumers should evaluate their dietary needs and consult with healthcare providers before adding supplements. It may be particularly beneficial for older adults or individuals with dietary restrictions.【21st Century Vitamins】

21st Century Calcium 27522 Editorial Review

21st Century Vitamins Calcium 500 Plus Extra D Caplets come in a large bottle of 400 count offering good value for money. The tablets are recommended by doctors for people with osteoporosis and provide the right dose of Calcium and Vitamin D. The packaging is good and easy to use. However, some customers find the tablets too large to take comfortably and breaking them in two leaves jagged edges, making it difficult to swallow.

Customer Reviews & Ratings

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Pros

Good value for money
Recommended by doctors
Good packaging

Cons

Large tablets, difficult to swallow for some customers

Platform Trust & Buyer Confidence

4.1/5 355 reviews

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customer

Verified buyer

“Great service and delivery wasn't to long considering it came from American.”

3 August 2026 · via Trustpilot

Dneah

Verified buyer

“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”

15-Jul-26 · via Trustpilot

Andrea

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“Quick delivery and my Goop products are exactly as ordered thank you”

5 August 2026 · via Trustpilot

Keith

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“All went promised. Arrived earlier than expected”

8 August 2026 · via Trustpilot

Haley

Verified buyer

“America to New Zealand in under a week, safe and sound. Highly recommend!”

10 August 2026 · via Trustpilot

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Important information

Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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NZD 34

Order now and get it around Tuesday, September 15

QTY:

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Features & Benefits

Support for bone health
500mg calcium
600 IU vitamin D3
Easy to swallow caplet
No added sugar, yeast, preservatives or artificial flavors
Gluten free

Ubuy Assurance

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21st Century Calcium 500 Plus Extra D3 Caplets, Bone Health, 400 Count