Slow K tablets, or MICRO-K Extencaps, are convenient potassium supplements to take. They require no preparation, and unlike larger citrate or bicarbonate doses, they don't subject the body to a sudden potassium spike that could trigger overdose-like symptoms such as palpitations irregular heartbeat, muscle weakness, a drop in blood pressure, or watery stools, although these symptoms would rarely be experienced by patients who are truly potassium deficient - i.e. they exhibit very low cellular levels of potassium - but more so when relied on the limited accuracy of serum potassium measurements... Full Text