Methylene Blue 1% Aqueous Solution, 100ml dropper bottle. Ultra high purity, USP Grade, Free of formaldehyde. Ingredients: Methylene Blue (USP Grade), Distilled Water. Each drop of this 1% solution contains 0.5mg of Methylene Blue. 20 drops (1 dropper or 1 ml) equals 10mg of Methylene Blue. Upon request, a heavy metal analysis will be provided with order.
$89.99