Damiana is a great product. I would suggest it to anyone who wants to relieve stress and relax more. I would also suggest picking a good workout routine to help you relieve stress.
I would not rely on herbs or necessarily external solutions for relaxation. I would prefer to cultivate my attitude, developing mental toughness as well as spiritual assurance. Talking herbs, I would recommend chamomile which has a calming effect or infusions of rosemary plant and eucalyptus which is abundant in my country.
I think some herbs can be helpful in relieving stress. However, I don't think it should get to the point that it becomes impossible to relax without the herbs. A rough analogy would be coffee. A cup of coffee in the morning is a good pick-me-up for some people. That's good. For some, they cannot get anything done until they have their cup of coffee. That's not good.
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You can try watercress. It will be helpful. The content of watercress is very rich in folate and common application of folate is to cope with depression. Some research suggested that about 800 microg of folic acid on a daily basis would have tremendous effects on the depression treatment. Thus consume it could be useful to improve your depression. You can see details at the full article https://wikihomenutrition.com/waterc...ealth-benefits. Hope it could help!