Circadian genes and melatonin to sleep more rhythmically

A study in Annals of medicine 2025 reviews hundreds of papers on insomnia and concludes that the problem, in many cases, stems from the genes that set the internal clock. It’s not just about nerves or stress, but about how the so-called circadian genes that coordinate sleep, hormones, metabolism and daily energy work. […]
Astaxanthin and exercise for a more resilient metabolism

A study in Scientific reports 2025 looked at 90 women with type 2 diabetes in a randomised clinical trial. It compared eight weeks of combined strength and aerobic training with or without oral astaxanthin, versus placebo and control. The women who trained and took astaxanthin showed better antioxidant defence, less inflammation and a […]
Red ginseng and effect on stress and mental alertness

A study in Nutrients 2024, a randomised clinical trial of 149 moderately stressed adults, showed that 3 weeks of hydroponic red ginseng supplementation was associated with lower perceived stress, fewer negative emotions and faster responses on spatial planning tasks, versus placebo. The effect was modest but clear, and appeared […]








