Please describe a good herbal supplement to help relive stress and anxiety?

Better than herbs: It is more work than taking herbs or meds, but for most stress & anxiety the best self help is getting 8 hours continuous sleep, moderate exercise, eating well, and full sunlight for @ least a few minutes daily. Meditation, yoga, etc can be helpful. If the anxiety is more severe, you should consult a therapist specializing in anxiety.

Many good options: Many supplements help anxiety, including herbs like tulsi (holy basil), valerian, passionflower & ashwagandha, Amino Acids like theanine & tryptophan, b vitamins, inositol & magnesium. Also consider meditation, exercise, counseling, acupuncture & homeopathy. Make sure you get enough rest & a healthy diet.Consider eft (see eftuniverse.Com). A holistic doctor can help guide you in these treatments.