Ultra high-purity Methylene Blue, Ormus, and 24K colloidal gold in a 3.4 fl oz (100 ml) bottle. Each 0.05 ml drop contains 0.5 mg methylene blue, 24.75 mg Ormus, and 24.75 mg colloidal gold. Directions: Shake before use. Mix 1 ml (20 drops) with 200 ml water, or follow your established research protocols. Bottled in a dark amber glass bottle with a glass dropper to protect from sunlight and oxidation. GMP, ISO 22000, and ISO 22716 certified facility. Third-party tested for heavy metals and microbiology; formaldehyde-free. Meets USP requirements; certificate available upon request.