Inclusion criteria  Healthy volunteers Age 18-45 Females of childbearing potential and males must be willing to use highly effective method of contraception (hormonal or barrier method of birth control; abstinence) throughout the duration of the study and for at least 4 weeks after Agreeing to fast 15 hours; 10pm-1pm on dosing days Capable of giving informed consent Written informed consent from participant  Exclusion criteria  Any prescribed medication (apart from contraceptives) Use of any CBD products within the last six months Use of any over-the-counter medications or health supplements within the past 2 weeks BMI <18 or >30.0kg/m2 History of alcohol or substance misuse disorder Smokes more than 10 cigarettes per day Use of any illicit substances within the last six months Pregnant or breastfeeding eGFR≤ 70 mls/min Any liver function or renal function test abnormality Urine drug screen positive for any substances Positive alcohol breath test Participant in any other clinical trial or experimental drug study in the past 3 months Known hypersensitivity to CBD and/or SEEK formulation excipients Participant is not able to swallow capsules