A randomized clinical trial to determine the efficacy of Affron, a standardised extract of Saffron (Crocus sativus) on mood and cognitive function in healthy adults over 4 weeks.

INTERVENTION: The investigational product is a tablet‐form herbal formulation containing Affron, a standardised extract of Saffron (Crocus sativus) extract. The daily dose will be 2 tablets per day for a total of 22mg or 28mg per day for 4 weeks. CONDITION: cognitive function Mood Sleep Stress PRIMARY OUTCOME: Mood ‐ Assessed by the Profile of Mood States (POMS) questionnaire ; ; Stress ‐ Assessed by the Perceived Stress Scale SECONDARY OUTCOME: Cognitive function ‐ Assessed by Simple Reaction test and Memory Test Sleep Quality ‐ Assessed by Pittsburgh Sleep Index INCLUSION CRITERIA: 1. Adult males and females reporting having a low mood but: a) not diagnosed with a mood disorder such as depression, and b) assessed as not suffering from depression by the Beck Depression QOL at screening 2. Otherwise healthy; including BMI <40. 3. Written informed consent from the subject