Kojima's recommended items--category--

「なんだか疲れてる」「なんか集中できない」──その“なんとなく”を、数字で読み解けたらどうでしょう？ Apple Watch Ultra 2 でHRV（心拍変動）を測定するようになってから、私は日常の見えなかった“緊張状態”を明確に捉えるようになりました。自律神経の...

"I'm less likely to catch a cold," "My physical condition is more stable," "I feel more positive"...These are changes I and those around me have actually seen. In this article, I will tell you how to use vitamin D3 in your daily life, based on my own experience and knowledge from both Japan and abroad. During my time in graduate school...

There is a reason why I am particular about water. I have moved 13 times in the last 10 years and have been searching for spring water all over the country. As a "spring water hunter," I have tested various famous spring waters on my body. Among them, the one that I felt best suited my body was Ogaki spring water in Gifu Prefecture...

For those who want to change their water but are afraid of natural water We often hear people who are interested in hot spring water and mineral water, but are concerned about the cost and storage space. For those people, we recommend the filter water purifier pot "Blu...

For those who want to change their water but don't know what to choose Changing your water is the first step to getting your body in shape. Even if you realize this, you may still be wondering, "So which water is best?" I have personally tried many different spring waters and hot spring waters, but I have found that the water I can use every day without any problems is...

The first experience that made me think, "Can water really make such a difference?" I have ordered supplements from all over the world and conducted "human experiments" on my own body for over 10 years. Nutrients, enzymes, probiotics... I have tried everything, but in the end, I found...