What's the difference between Calcium citrate and calcium carbonate

The difference between the two supplements include (a) the percentage of elemental calcium provided per 100mg, and (b) the way the body absorbs the supplement. Calcium carbonate is made up of 40% elemental calcium and 60% carbonate ingredient, so one 600mg tablet provides 240mg calcium. Calcium Citrate is made up of 20% elemental calcium and 80% citrate ingredient, so one 600mg tablet provides 120mg calcium. While you are technically getting more elemental calcium from a Calcium carbonate supplement, Calcium citrate supplements are absorbed more easily than calcium carbonate. They can be taken on an empty stomach and are also more readily absorbed by people who take acid-reducing heartburn medications.

What is the Expiration date?

the date should be on the bottle or box it comes in

is the bottle printed with "enter code for wellness rewards points... " right of the nature made brand in the green area? the amazon's picture has .

Some have the code for the points and some products don't have a code. Nature Made started a new program in May of 2015. and most of the codes now go for a chance to win something. Go to http://www.naturemade.com/ If you have an account there. sign in with your e mail and check the FAQ's There it will tell you all about the program. I haven't purchased any Nature Made products that had any code at all on them in over a year. Hope this helps you.

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Calcium 600 mg with Vitamin D3, Dietary Supplement for Bone Support, 220 Tablets

Product ID: 255893942

Details

Brand
Nature Made
Flavour
Unflavored
Item form
Tablet
Primary supplement type
Calcium D
Unit count
220 Count

💊600 mg Calcium per tablet

☀️1000 IU Vitamin D3 for absorption

🇺🇸USP verified, made in USA

¥6004

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

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Description

💪 Elevate your bone game with Nature Made’s powerhouse duo!

LONG LASTING SUPPLY - 220 tablets per bottle to keep your bone health on track
CLEAN PURE FORMULA - Gluten-free, no artificial colors or flavors—pure wellness
SUNSHINE VITAMIN BOOST - Vitamin D3 enhances Calcium absorption for maximum impact
TRUSTED QUALITY ASSURANCE - USP verified for potency and purity, made in the USA
STRONG BONES STRONGER YOU - 600 mg Calcium supports optimal bone density daily

Nature Made Calcium 600 mg with Vitamin D3 delivers a potent daily dose of bone-supporting Calcium paired with Vitamin D3 to enhance absorption. This gluten-free, USP verified supplement is crafted in the USA without artificial additives, providing 220 tablets for sustained bone health support—perfect for proactive adults aiming to maintain strength and vitality.

Reviews

User

Pork Gelatine

This product contains pork gelatine and is not suitable for Muslims. I got it verified with Nature Made in USA and they confirmed it. It’s very upsetting that such products are going unnoticed and being allowed to be sold on Amazon UAE

4.10.2022

User

My Dr recommended to prevent osteoporosis

My doctor had been harping on my to start a calcium supplement because I’m perimenopausal and at risk for osteoporosis. Calcium is important to build and maintain bone in the body, and vitamin D3 is necessary for the absorption of calcium. That makes this vitamin a winning combo and my top pick! The tablets are a little on the larger side, but they are coated so they’re easy to swallow. The coating also helps them to not have a bad after taste and they go down easily. The price on Amazon can’t be beat, especially if you utilize “subscribe and save” discounts. Nature’s Made is USP verified, so you know you’re getting a pure and quality form of calcium. Highly recommend Nature’s Made vitamins!

14.09.2026

User

Excelente producto 100% recomendable

Excelente productoCon indicaciones de mi médico en cantidades de consumoSiempre mantengo los niveles que mi cuerpo necesita.

20.04.2026

User

Recomendable

Llegó a tiempo en perfectas condiciones.

7.12.2025

User

Excellent Quality

Everybody should take these. Easy to swallow. Reasonably priced.

3.08.2026

User

Buen producto

Muy buen producto, recomendado en tamaño

17.09.2025

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¥6004

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Japan.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Fatima A.

Best international shipping I've ever tried. Worth every penny!

3 days ago

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Asin	B002FH5I0I
Is Discontinued By Manufacturer	No
Item Model Number	1212
Manufacturer	Nature Made
Product Dimensions	7.39 x 7.39 x 13.56 cm; 421.84 g

Calcium 600 mg with Vitamin D3, Dietary Supplement for Bone Support, 220 Tablets

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