With regards to natural supplement treatment for social phobia (social anxiety disorder), only tryptophan has studies showing it is effective for social phobia. However, tryptophan is associated with eosinophilia myalgia syndrome (EMS), which is a severe side effect, affecting the muscles, skin, and lungs.
However, there are other natural supplements which are safe and effective for anxiety. KalmPro is an anxiety natural supplement which was formulated by a psychiatrist, and has research studies showing its ingredients are safe and effective. The following video explains how KalmPro works to reduce anxiety, such as social phobia: