The phrase "low serum" refers to having a lower-than-normal level of something in the liquid part of the blood called serum. It usually indicates that there may be a deficiency or a problem with the substance being measured in the serum.
Sentences with «low serum»
The official advice to lower serum cholesterol levels has brought about numerous supplements with the attached claim that consuming them will lower cholesterol. (westonaprice.org)
In a study of older adults in nursing homes, those with normal serum zinc had a lower incidence of pneumonia and half as many antibiotic prescriptions compared to those with low serum zinc. (verywellhealth.com)
These ingredients have been shown to significantly lower serum cortisol levels and alternate the training - induced cortisol response respectively. (truegritness.com)