Functional mushrooms have gone from niche wellness trend to everyday essentials across the UK — but with so many tinctures, capsules, gummies and powders on the market, knowing what to buy (and what actually works) can feel overwhelming.

If you’re looking to buy a lion’s mane mushroom supplement in the UK with real cognitive benefits (not just hype), here’s a hard-headed breakdown. This isn’t flavour-of-the-month wellness fluff. It’s what the research shows, what to check, and how to pick the right product.