Kids calcium-magnesium powder for picky eaters: The Day Tunteun

In short

The Day Tunteun Kids Calma-D Plus K2 Strawberry Flavor is a children’s powdered supplement I tried with a child whose appetite and meal portions had become inconsistent. The child liked its sweet-tart strawberry flavor both on its own and mixed with water, and the individual packets were convenient to carry out.

The Day Tunteun Kids Calma-D strawberry flavor product

Good to know

Product
The Day Tunteun Kids Calma-D Plus K2 Strawberry Flavor
Use context
Tried with a child whose appetite had become picky and whose meal portions were inconsistent.
Form and flavor
A fine, soft powder with a sweet-tart strawberry flavor.
Packaging
Individually packaged sachets.

Prices as written by the tester on Mar 24, 2026 · not updated automatically

I received this product and tried it with my child.

The Day Tunteun Kids Calma-D strawberry flavor product

Why did I try a children’s calcium-magnesium supplement?

My child used to eat well when younger, but has become pickier lately. I make sure to offer bananas and tomatoes, which my child eats relatively well in the morning, but I worried that such a repetitive diet might not provide enough nutrition.

The Day children’s calcium-magnesium supplement tried with my child

During that time, I tried The Day Tunteun Kids Calma-D Plus K2 Strawberry Flavor. What mattered to me was whether my child would take it without resistance and whether it would be easy for me to give regularly.

The Day Tunteun strawberry powder supplement

How did my child respond to the powder and strawberry flavor?

It came as a fine, soft powder. For a product I give my child, I pay as much attention to flavor as I do to the ingredients. No matter how much I want to provide something, it is difficult to keep giving it if my child will not eat it.

Fine, soft calcium-magnesium supplement powder
Sweet-tart strawberry children’s calcium-magnesium supplement

This product had a sweet-tart strawberry flavor. I usually mix powdered products with water, but my child seemed to prefer having this one as is and asked for the powder first.

Strawberry supplement powder my child enjoyed
Children’s powder supplement eaten without water

How was it taken on its own and mixed with water?

When I opened a packet, my child would pour the powder into their mouth. When I gave it to my child, it was eaten right away without spilling, so it was convenient that I did not need to prepare it by mixing it with water.

My child eating calcium-magnesium supplement powder
My child eating strawberry calcium-magnesium supplement

My child also drank it well when I mixed it with a small amount of water. My child seemed to think of it like juice. The most convenient part was not having to repeatedly encourage my child to take it or struggle over it.

Calcium-magnesium supplement mixed with water for my child

What ingredient and formulation information did I look at?

Because it was a product for my child, I also looked at the ingredient composition. I noticed the description that calcium and magnesium were formulated in a 2-to-1 ratio.

The Day Calma-D supplement ingredient composition

I also reviewed the description that the calcium was micronized, coated with lecithin, and encapsulated, as well as the description that it contains vitamin D3 and trans MK-7 vitamin K2.

The Day Tunteun supplement ingredient information

The magnesium was described as a liposomal formulation using ingredients from Poland. I referred to these ingredient and formulation descriptions, while the parts I was satisfied with after trying it were my child’s response to the flavor and how easy it was to give.

Individually packaged The Day Calma-D supplement

Were the individual packets convenient when going out?

Each sachet was individually packaged, which made storage easy. They also took up little space, so I carried a few packets in the diaper bag when going out.

Individually packaged Calma-D supplement carried when out

My child ate it well on days when I brought it along. At a time when I was concerned about inconsistent meal portions, I was satisfied with a flavor my child asked for first and the convenient packaging.

The Day Tunteun strawberry flavor for my child

Where to buy

더데이 · The Day Tunteun Kids Calma-D Plus K2 Strawberry Flavor더데이 튼튼키즈 칼마디 플러스 K2 딸기맛Prices as written by the tester on Mar 24, 2026 · not updated automatically
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