Vitamin D Plus (D2, D3 & Vitamin D Metabolite Ratio) At Home Test Kit Collection Location:At Home Test (Self Administered) Used to investigate Zollinger-Ellison syndrome

Used to investigate Zollinger-Ellison syndrome

and to monitor disease activity

Helps assess liver disease severity and distinguish between different causes of liver dysfunction

pylori effects on gastric function

Vitamin D Plus (D2, D3 & Vitamin D Metabolite Ratio) At Home Test Kit Collection Location:At Home Test (Self Administered) Used to investigate Zollinger-Ellison syndromeMeasures D2, D3 and the Vitamin D Metabolite Ratio (VMR) from a finger prick blood spot sample. The VMR reveals how efficiently the body processes vitamin D through the CYP24A1 enzyme pathway, going beyond total level to explain why some people remain deficient despite supplementation.