Add extra tests at a discount

Booked alongside your Vitamin D (25-OH), these cost less than booking them separately. · Change

Vitamin B12 (Active) Assesses the biologically available fraction of vitamin B12 Save £21 ~~£69~~ £48

Vitamin B12 (Active) with Red Cell Folate Active vitamin B12 and longer-term folate status - Red-cell folate. Save £34 ~~£85~~ £51

Vitamin C Save £30 ~~£95~~ £65

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