Valerian Root enhances the message relay of neurotransmitters in the body. It has an effect similar to Benzodiazepine drugs, but carries none of the potentially dangerous side effects. 
Skullcap is known to be rich in the type of antioxidants that protect against the degeneration of healthy neurotransmitters in the brain, such as GABA. 
Long used as a traditional remedy for anxiety, Passion Flower has performed as well as the drug, Oxazepam, in double-blind studies in reducing generalized anxiety disorder. Though often underreported, generalized anxiety disorder impacts a considerable portion of people suffering from tremors. 
Folic Acid deficiency is thought to reduce the effectiveness of neurotransmitters in the brain, which can cause a number of unwanted symptoms including depression and anxiety. 
B-12 with Methylcobalamin
Groups who are most prone to B-12 deficiency — like folks who suffer from fibromyalgia and alcoholism — also have a higher risk of tremors. It has been working very well in the Tremadone formulation. 
B-2 with Riboflavin
B-2 with Riboflavin plays a vital role in metabolism and helps the body better absorb the ingredients in the Tremadone formula.