From magnesium sprays and tablets promising a dreamlike sleep to turmeric shots claiming an invincible immune system, the supplement aisle is brimming with claims.  It’s hard to tell fact from fiction.  These days, supplement aisles resemble modern apothecaries, not just in standard stores and pharmacies but also in supermarkets.  Patients often wonder if these capsules and trinkets truly work or if they’re simply expensive and colourful urine.  While some supplements have solid evidence, others are more myth than medicine.  This guide simplifies the world of popular pills by explaining their intended effects, what research says and when they might be worth considering.