Appreciate your response. CBC, CMP, Iron, RBC and Magnesium are all within range and checked 3 weeks ago. Iron in the past has been low due to donating blood too often, but these days i donate once a year, if that, and its been normal.
RBC 5.82 (4.5-6.5 range)
Magnesium 2.0 (1.7-2.3 range)...