"Measures biotin (vitamin B7) levels in the blood to assess nutritional status or investigate symptoms of deficiency or overdose. No fasting required."
"Measures biotin (vitamin B7) levels in the blood to assess nutritional status or investigate symptoms of deficiency or overdose. No fasting required."
"Measures biotin (vitamin B7) levels in the blood to assess nutritional status or investigate symptoms of deficiency or overdose. No fasting required."
