Exploratory RIVM calculations of nitrogen measures The Dutch government announced its plans for the first steps in tackling the nitrogen deposition issue.
Potassium intake and risk for hyperkalaemia reviewed It is nearly impossible to get an overdose of potassium from natural food sources.
Adequate limit value for pyrrolizidine alkaloids in herbal tea and herbal preparations Pyrrolizidine alkaloids (PAs) are natural toxins occurring in a wide variety of plants, including herbs.