Xanthinol nicotinate

Xanthinol is a drug prepared from theophylline used as a vasodilator. It is most often used as the salt with niacin (nicotinic acid), known as xantinol nicotinate. Xanthinol is a drug prepared from theophylline used as a vasodilator. It is most often used as the salt with niacin (nicotinic acid), known as xantinol nicotinate.