: not advised as a course of treatment or procedure
The use of most salt substitutes is contraindicated for patients with chronic renal disease because many contain large amounts of potassium.Nutritional Support Handbook
The potential recipients must demonstrate adequate medical need (that is, they will die if a transplantation is not provided within the near future), lack of contraindicated medical factors (such as metastatic cancer), a willingness to participate in an arduous medical undertaking, and financial capability … Carl Greiner