Lion's Mane Dosing on Attention and Mood

Inclusion Criteria: * Participants must self-assess themselves as being in good health * Participants must be aged 18 to 45 at the time of giving consent * Understand and are willing to participate in all scheduled visits and to adhere to the trial procedures outlined in the subject information sheet * Are fluent in English (equivalent to IELTS Level 6) Exclusion Criteria: * Have any pre-existing medical condition/illness which will impact taking part in the study. There may be other, unforeseen, exceptions and these will be considered on a case-by-case basis, i.e., participants may be allowed to progress to screening if they have a condition/illness which would not interact with the active treatments or impede performance so it's worth discussing any medical conditions with the researcher prior to booking lab appointments. NOTE: the explicit exceptions to this is controlled hayfever, asthma, hypo/hyperthyroidism, high blood pressure, high cholesterol, reflux. * Are currently taking prescription medications NOTE: the explicit exceptions to this are contraceptive treatments, and those taken 'as needed' in the treatment of asthma and hay fever. There may be other instances of medication use which, where no interaction with the active treatments is likely, and which would not be expected to have any impact on brain function, participants may be able to progress to screening. * Have a history of experiencing difficulty swallowing tablets including in capsule form * Have high b…