Two tablets give 500 mg of calcium or one tablet ?

Yes, I hate when companies do this . It is very misleading. Why not just market it as 250 mg ? (10mg D3, 5mg Zinc. and 40 mg Magnesium - etc)

What is expiration date on Kirkland Calcium Citrate?

It depends on when your bottle is produced. I bought mine in 2021 so my bottle's date is 08/23. If you get a bottle with a passed expiration date, you should send it back to Amazon.

Will this prevent constipation

No. The citrate form of calcium does not cause constipation. The carbonate form does.

How much elemental calcium in each tablet? no guesses or assumptions please.

I recently researched how to calculate the elemental calcium and found this: Take the % calcium shown on the bottle who’s is 38% for 2 tablets in this case (not the 500mg) and multiply it by 10. The result would be 380 mg elemental calcium.....not much!

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Signature Calcium Citrate Magnesium and Zinc, 500 Tablets

Product ID: 104399027

Details

Brand
KIRKLAND
Flavor
Unflavored
Item Form
Tablets
Primary Supplement Type
Calcium
Unit Count
500 Count

⚡20 mcg Vitamin D3 for enhanced absorption

💊500 tablets for long-term supply

🦴500 mg Calcium Citrate for bone strength

46428CFA

Duties & taxes included

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
KIRKLAND
Flavor
Unflavored
Item Form
Tablets

Description

🦴 Elevate your wellness game with every tablet!

TRUSTED QUALITY - Kirkland Signature brand with 4.7-star rating from 3,700+ users
UNMATCHED VALUE PACK - 500 tablets ensure a consistent daily regimen without interruption
COMPLETE BONE SUPPORT - Calcium Citrate 500 mg fuels strong bones and teeth
MUSCLE IMMUNE HEALTH - Magnesium 80 mg and Zinc 10 mg support muscle function and immunity
ENHANCED ABSORPTION BOOST - Vitamin D3 20 mcg optimizes calcium uptake for maximum benefit

Kirkland Signature’s Calcium Citrate Magnesium and Zinc tablets deliver a potent 500 mg dose of calcium citrate combined with 20 mcg Vitamin D3, 80 mg magnesium, and 10 mg zinc in a convenient 500-count bottle. Designed for adults seeking comprehensive bone, muscle, and immune support, this unflavored supplement is a top-rated choice with over 3,700 positive reviews, ensuring you never miss a day of essential nutrients.

Specifications

ASIN	B07N798Y1J
Age Range Description	Adult
Best Sellers Rank	#60,855 in Health & Household ( See Top 100 in Health & Household ) #345 in Calcium Mineral Supplements
Brand	KIRKLAND
Brand Name	KIRKLAND
Concentration	500
Customer Reviews	4.7 out of 5 stars 3,747 Reviews
Flavor	Unflavored
Item Form	Tablets
Item Weight	1.8 pounds
Manufacturer	Kirkland Signature
Manufacturer Part Number	588153
Model Number	588153
Number of Items	1
Primary Supplement Type	Calcium
UPC	676538001866
Unit Count	500 Count

Reviews

L**L

Calcium Tablets not received but great product.

Not sure what happened but I never received my calcium tablets. Contacted the seller and they have issued a refund. I've ordered these calcium Tablets before and I like that they have magnesium and zinc which is why I placed another order.

20.05.2026

M**A

Lo que andas buscando!!

Si te duelen las articulaciones es lo que necesitas desde que empecé a tomarlas me siento con más energía y ya no me duelen los músculos

16.07.2026

J**S

the best of the best

I have used this for more than 25 years and will keep on using it till I die

22.06.2026

C**N

As advertised

Product as advertised.

11.06.2026

D**A

Muy buena calidad

Excelente calidad

22.05.2026

T**T

Brand name from Costco

Costco brand and sent to my house and works great for my needs. Will buy again

11.05.2026

F**A

Excelente

Very good

13.05.2026

R**Z

Great all-in-one supplement

I feel more energized since taking it. Great value and trustworthy brand.

2.05.2025

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TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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1 month ago

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46428CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered 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 Senegal.

Secure transaction

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4 days ago

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