Your gut produces 90% of your serotonin, but can probiotics really boost your mood? We examine the science behind psychobiotics and what they can actually do.

Cordyceps promises superhuman endurance, but does the science match the hype? We examine what this parasitic fungus can actually do for your energy levels.

40% of UK adults are vitamin D deficient in winter. The NHS recommends daily supplements – here’s why geography makes this essential for British health.

Confused by omega-3 options? We break down fish oil vs algae oil vs krill oil – what the research actually shows about absorption, benefits, and value.