... . Specification: 10:1 1. Product Name: Oat Straw Extract Powder , Oat Straw Extract , Oat Straw P.E.2. Specification: 10:13. ... skin, hair, nails, and bones. Some sources also recommend oat straw for treating shingles, herpes infections, and addictions. In ... Europe today, herbalists and alternative health practitioners prescribe oat straw extracts and tinctures as nerve tonics for weakened ...