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Vitamin Deficiencies Linked to Chronic Fatigue

Published on June 21, 2026, 12:26 p.m.
Vitamin Deficiencies Linked to Chronic Fatigue

Topic: Health

Researchers found that deficiencies in vitamins B12 and folate are linked to chronic fatigue. They studied over 600 healthy Japanese adults and discovered that higher homocysteine levels were associated with lower motivation in women and greater physical fatigue in men.

Chronic fatigue has become a common problem in modern life. While stress and lack of sleep are often blamed, researchers say poor nutrition may also play an important role. A team led by Professor Hiroaki Kanouchi from Osaka Metropolitan University investigated whether deficiencies in certain vitamins could be connected to fatigue and motivation levels.

The study included around 600 healthy Japanese adults. Researchers measured blood levels of homocysteine, folate, and vitamin B12, then evaluated participants' fatigue and motivation using a questionnaire and a Visual Analog Scale. The team found that participants with higher homocysteine levels generally had lower levels of folate and vitamin B12, regardless of sex.

The results showed that men with higher homocysteine levels were more likely to report greater physical fatigue. In women, elevated homocysteine levels were linked to lower motivation. The findings suggest that attention should also be paid to fatigue and motivation in the future.

Maintaining a well-balanced diet on a daily basis is essential to prevent an increase in homocysteine levels.

Why It Matters

This study matters because it highlights the importance of nutrition in maintaining energy levels. As Indian students juggle schoolwork, extracurricular activities, and part-time jobs, they need to prioritize their diet to stay healthy and motivated.

Key Facts

  • Researchers studied over 600 healthy Japanese adults to investigate the link between vitamin deficiencies and chronic fatigue.
  • Higher homocysteine levels were associated with lower motivation in women and greater physical fatigue in men.
  • The study found that participants with higher homocysteine levels generally had lower levels of folate and vitamin B12, regardless of sex.
  • Maintaining a well-balanced diet on a daily basis is essential to prevent an increase in homocysteine levels.

Key Terms

Homocysteine
A substance in the blood that tends to rise when vitamins B12 and folate are lacking.

Implications

This study matters because it highlights the importance of nutrition in maintaining energy levels. As Indian students juggle schoolwork, extracurricular activities, and part-time jobs, they need to prioritize their diet to stay healthy and motivated.


Source: https://www.sciencedaily.com/releases/2026/05/260528082501.htm

Journal Reference:

  1. Hiroaki Kanouchi, Ayaka Yamamoto, Akiko Kuwabara, Shigeo Takenaka, Eiji Nishikubo, Yukihiro Nomura, Takehiro Naruto, Kyosuke Watanabe, Kei Mizuno, Yasuyoshi Watanabe. Associations of Plasma Homocysteine Reflecting Vitamin B12 and Folate Status with Fatigue-Related Outcomes in Healthy Adults. Nutrients, 2026; 18 (6): 941 DOI: 10.3390/nu18060941

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