NULICAL Nulical is a natural supplement for granuloma annulare. It's available in tablet form, and contains herbs that are known to be effective in treating granuloma annulare. NULICAL is a Natural Supplement for Granuloma Annulare. NULICAL is a Herbal Supplement for Granuloma Annulare. It contains no harmful ingredients, but it has been shown to have positive effects on patients with the...