Changes in self-reported physical activity and health-related quality of life following 3-month astaxanthin supplementation in patients with heart failure: results from a pilot study

Sayaki Ishiwata, Takao Kato, Takatoshi Kasai, Akihiro Sato, Shoichiro Yatsu, Hiroki Matsumoto, Jun Shitara, Azusa Murata, Megumi Shimizu, Shoko Suda, Yuya Matsue, Ryo Naito, Masaru Hiki, Hiroyuki Daida