Strawberry kids cal-mag sachet: The Day Teunteun Kids Calmadi Plus K2

In short

The Day Tunteun Kids Cal-Mag Plus K2 Strawberry Flavor is a children’s nutritional supplement used in a daily routine in Korea. I tried one sachet a day for my child after age two, and the strawberry flavor went down well. Verdict: an easy daily option my child enjoyed.

The Day calcium-magnesium product introducing its calcium and magnesium formula

Good to know

Product
The Day Tunteun Kids Cal-Mag Plus K2 Strawberry Flavor
Use context
Used in the nutrition routine of a child over two years old
Where to buy
A purchase link is provided in the original post; no retailer is named
How to take
One sachet a day, according to the original post
Ingredients
Calcium, magnesium, vitamin D3, and vitamin K2
Formula and ingredient information
The original post states 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 children’s calcium-magnesium supplement?

Once my child turned two, I started paying closer attention to nutrients such as calcium and vitamin D alongside meals. I was drawn to something I could fit into a busy day without making things complicated.

The Day calcium-magnesium product used in a child’s nutrition routine

A mom around me recommended The Day Tunteun Kids Cal-Mag Plus K2 Strawberry Flavor, which is how I found it. This time, I received the product and added it to my child’s nutrition routine.

The Day Tunteun Kids Cal-Mag Plus K2 Strawberry Flavor product

What was taking one sachet a day like?

Each sachet contained calcium, magnesium, vitamin D3, and vitamin K2. Being able to take care of it with one sachet a day meant less hassle than preparing several different products separately.

The Day calcium-magnesium product containing several nutrients
The Day Tunteun Kids calcium-magnesium supplement taken one sachet a day

Mornings are hectic and I am tired by evening, so I really value a nutrition routine for my child that is not complicated. This one had such a simple process that I reached for it often.

The Day strawberry-flavored calcium-magnesium product given to a child
The Day Tunteun Kids calcium-magnesium supplement in a daily nutrition routine

What did I look at in the ingredient formula?

The information saying that calcium and magnesium were formulated at a 2:1 ratio caught my eye. Along with whether calcium was included, I also looked at how the magnesium was formulated.

The Day calcium-magnesium product introducing its calcium and magnesium formula
The Day Tunteun Kids calcium-magnesium product with its ingredient formula reviewed

I was also interested in the fact that it contained both vitamin D3 and vitamin K2. The product information says the vitamin K2 ingredient is in trans MK-7 form.

The Day calcium-magnesium product introducing its vitamin K2 ingredient

What I liked was the formula that lets me cover magnesium and two vitamins along with calcium.

The Day calcium-magnesium product containing calcium and vitamins
The Day Tunteun Kids calcium-magnesium supplement with its vitamin formula reviewed

What did I check in the ingredient information?

Since this is something I give my child, I also looked at the explanation of where the ingredients came from. The information said it does not use Japanese- or Chinese-sourced ingredients and uses ingredients from global ingredient suppliers, and that kind of sourcing explanation matters to me.

The Day Tunteun Kids calcium-magnesium product introducing ingredient sourcing

Did my child like the strawberry flavor?

When choosing supplements for my child, I think it is important whether my child will actually take them well. This one was strawberry flavored, and my child liked it.

What stayed with me most was a flavor my child enjoyed and the convenience of one sachet a day. It felt like less of a burden within our everyday parenting routine.

Where to buy

더데이 · The Day Tunteun Kids Cal-Mag Plus K2 Strawberry Flavor더데이 튼튼키즈 칼마디 플러스 K2 딸기맛Prices as written by the tester on Mar 22, 2026 · not updated automatically
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