# Kids calcium-magnesium supplement for daily nutrition: The Day Tunteun Kids Cal-Mag-D Plus K2 Strawberry Flavor

- By Moeun (https://superchart.com/en/@menu-to-makeup/)
- Written Mar 22, 2026
- Products › Food & snacks
- Product provided: I received this product and used it.
- English edition: https://superchart.com/en/@menu-to-makeup/theday-kids-calmadi-strawberry/
- Also in: [한국어](https://superchart.com/ko/@menu-to-makeup/theday-kids-calmadi-strawberry/index.md)

## In short

I added The Day Tunteun Kids Cal-Mag-D Plus K2 Strawberry Flavor to my child’s nutrition routine after age two. This Korean kids’ supplement combines calcium, magnesium, vitamin D3, and vitamin K2 in one daily sachet; my child liked the strawberry flavor, and I found the routine easy to keep up with.

## Good to know

- **Product**: The Day Tunteun Kids Cal-Mag-D Plus K2 Strawberry Flavor
- **Use context**: Used in the nutrition routine of a child over two years old
- **Where to buy**: The original post provides a purchase link but does not name a retailer
- **How to take**: One sachet per day, according to the original post
- **Key ingredients**: Calcium, magnesium, vitamin D3, and vitamin K2
- **Formula and ingredient information**: Introduced in the original post as a 2:1 calcium-to-magnesium ratio and vitamin K2 in trans MK-7 form

*Prices as written by the tester on Mar 22, 2026 · not updated automatically*

## Why did I choose a calcium-magnesium supplement for kids?

Once my child turned two, I started paying closer attention to nutrients such as calcium and vitamin D alongside meals. I was interested in something I could incorporate without making our busy routine complicated.

![The Day Cal-Mag-D used in a child’s nutrition routine](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-01-1x3x7-900.webp)

I learned about The Day Tunteun Kids Cal-Mag-D Plus K2 Strawberry Flavor through a recommendation from another mom. This time, I received the product and added it to my child’s nutrition routine.

![The Day Tunteun Kids Cal-Mag-D Plus K2 Strawberry Flavor](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-02-bjq3o-900.webp)

## How was the one-sachet-a-day routine?

Each sachet contained calcium, magnesium, vitamin D3, and vitamin K2. Having one sachet a day reduced the hassle of preparing several different supplements separately.

![The Day Cal-Mag-D with several nutrients](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-03-1te4o-900.webp)

![The Day Tunteun Kids Cal-Mag-D, one sachet daily](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-04-1g0m3-900.webp)

Mornings are hectic and I am tired in the evenings, so I care about whether my child’s nutrition routine is uncomplicated. This product was simple to prepare, so I reached for it often.

![The Day Cal-Mag-D strawberry flavor for a child](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-05-1tms8-676.webp)

![The Day Tunteun Kids Cal-Mag-D in a daily routine](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-06-oc8a8-676.webp)

## What did I look at in the ingredient formula?

The information saying calcium and magnesium were blended in a 2:1 ratio caught my attention. Along with whether it contained calcium, I also looked at how the magnesium was included.

![The Day Cal-Mag-D introducing its calcium-magnesium formula](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-07-2ytnz-1200.webp)

![The Day Tunteun Kids Cal-Mag-D ingredient formula](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-08-b8kvx-900.webp)

I was also interested that it contained vitamin D3 and vitamin K2 together. The product information said the vitamin K2 used a trans MK-7 form ingredient.

![The Day Cal-Mag-D introducing its vitamin K2 ingredient](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-09-cfdvk-900.webp)

What I liked was the formula that let me include magnesium and two vitamins alongside calcium.

![The Day Cal-Mag-D with calcium and vitamins](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-10-hhagw-900.webp)

![The Day Tunteun Kids Cal-Mag-D vitamin formula](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-11-6m6ai-900.webp)

## What did I check in the ingredient information?

Because it was a product for my child, I also looked at the explanation of ingredient origins. It said it did not use ingredients from Japan or China and instead used ingredients from global ingredient companies; I was interested in that kind of sourcing information.

![The Day Tunteun Kids Cal-Mag-D ingredient origin information](https://img.superchart.com/images/theday-kids-calmadi-strawberry/theday-kids-calmadi-strawberry-12-10qzr-900.webp)

## Did my child like the strawberry flavor?

When choosing supplements for my child, I also consider whether they will actually take them well. This one was strawberry-flavored, and my child liked it.

What stayed with me most was the flavor my child liked and the convenience of one sachet a day. It felt less burdensome within our everyday childcare routine.

## Products

- The Day Tunteun Kids Cal-Mag-D Plus K2 Strawberry Flavor — 더데이
- 원문 구매 링크 — 판매처명은 원문에 기재되지 않았어요.

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Superchart · https://superchart.com/en/@menu-to-makeup/theday-kids-calmadi-strawberry/ · https://superchart.com/llms.txt