Dr. Ronald Roth's Research Library on Cellular Nutrition and Health Disorders
Additional caution is required by those with kidney problems, have a history of venous blood clots, or have an intolerance to aspartame, which is found in Protelos. Since calcium inhibits strontium absorption, calcium supplements, antacid remedies - and food in general - should not be taken within 2 hours before, and 2 hours after taking Protelos... Full Text