Supplementation with standardized saffron extract improves depressive symptoms and social relationships in healthy individuals experiencing subclinical low mood and stress.
The study employed a double-blind, randomized, parallel groups design involving 56 healthy male and female participants aged between 18 and 54. They received either 30 mg standardized saffron extract or a placebo daily for 8 weeks. The saffron's chronic effects on subjective feelings of anxiety, stress, and depression were evaluated using a series of questionnaires. The acute effects of saffron following exposure to a lab-based psychosocial stressor were determined through assessing psychological and physiological parameters. As part of the process, the level of crocetin, a compound found in saffron, was quantified in the participants' urine.
The results indicated that individuals who received the saffron extract reported lower depression scores and improved social relationships after the 8-week period. A significant increase in urinary crocetin levels was observed with saffron supplementation, and these changes were found to be correlated with a decrease in depression scores. Additionally, the usual decrease in heart rate variability, a reaction commonly seen during the exposure to stressors, was found to be diminished after acute intake of saffron. The findings suggest that saffron extract can help improve subclinical depressive symptoms in healthy individuals and may increase resilience against the development of stress-related psychiatric disorders.
