・What is "seasonal depression" that is common in winter? ・The cause is "reduced daylight hours" ・Four ways to prevent seasonal depression ・What is the correct way to take "vitamin D" that is difficult to ingest? ・Stay healthy! How to spend the winter well

・Calcium is important regardless of gender or age. ・Japanese people are calcium deficient. What is the cause? ・Vitamin D helps calcium ・Vitamin D is often in short supply. Winter is the time to actively take it

・The three main elements to improving concentration ・How to stay healthy before exams? ・Vitamin D is essential for maintaining good health ・How to maintain mental health during exam season?

・The Vitamin Science Forum 2024 was held ・Highlights from Dr. YANAGISAWA Atsuo 's presentation ・The beginning of vitamin C infusion therapy in Japan ・Learning abroad and introducing it to Japan ・Popularization and international expansion

・Vitamin Science Forum 2024 was held ・Highlights of Dr. Ron Hunninghake's presentation ・Cellular oxidation and reduction by vitamin C ・Redox cycling