Heights The Smart Supplement

£33 per month (3-month plan), yourheights.com

A multivitamin that’s focused on brain health, Heights was co-developed by a neuroscientist and dietitian, and is backed by science as a result. It contains 20 key vitamins and minerals that support cognition and normal brain function, including those which are tricky to meet through diet alone – think omega-3 and vitamin D – and in addition for plant-focused eaters, iodine and B12. Worth trying if you’re struggling with sleep, mood or focus.