GSD (Get Shiitake Done) Vegan Mushroom Complex - Supporting Focus and Cognitive Function

£29.99 £34.99

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The GSD (Get Shiit(ake) Done) mushroom complex is a proprietary complex blend of Shiitake, Lion's Mane, and Reishi Mushrooms to support you in retaining maximum focus and cognitive function throughout the day.

Lions Mane mushroom has scientific support in mental function and clarity, making complex tasks seem like a walk in the park.

Shiitake & Reishi are also added to support cognitive function as well as your immune system.

  • 60 Capsules | 30 day supply 
  • 450mg Vegan capsules
  • Supports Energy Levels, Cognitive Function, Immune system 
  • Grown and manufactured in a GMP & ISO accredited locations

Did you Know? 

  • Fungi are genetically closer to humans than plants.
  • Fungi allow trees to talk to each other.
  • Fungi are the largest life form on earth! A single honey mushroom in Oregano is 3.5 miles wide and 2400 years old!


  • Specific solution – Our go-to specific solution for cognitive function and productivity concerns and needs 
  • Effective – Supports focus, cognition, energy, and immunity 
  • Optimum support – Includes potent mushroom extracts 
  • Advanced – Optimally absorbed, high potency nutrients using the best and easiest nutrient forms for the body to absorb
  • Health properties - Mushrooms rooted in ancient eastern medicine for thousands of years
  • Flexible – No large tablets. Dose is split between two vegetable capsules for easy swallowing and so you can use only what you need
  • No unnecessary additives
  • Environmentally friendly – Recyclable packaging
  • Trusted – We’re trusted by a community of thousands in the UK, EU, Japan, and Australia
  • Suitable for vegetarians and vegans
  • 30 days’ supply at 2 capsules per day



We prefer things the way nature intended and never use ingredients derived from GMO. You can be assured when you buy Dr Watson you're buying nature's best.

Organic & VEGAN

We only use sustainably farmed, and ethically sourced active ingredients. Never pesticides, herbicides, fungicides, or nasty chemicals.


You can see our COAs (certificates of analysis) right here on our website. We have nothing to hide. Formulations certified by PhD scientist Dr Richard Watson.