According to the researcher, it is the first all natural anti-viral. Sambucal is a great anti-viral agent. I have used it with good success. I have not used it for shingles, but have given it as a supplement for influenza.
Shingles seem to respond very well to Chiropractic adjustment.
Especially making sure the costotransverse articulations are moving normally. I have also heard L-lysine works well. Shingles Shingles is a nerve condition. Vitamen B complex is food for the nerves. It will turn the urine bright orange.