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and lifestyle factors can disrupt hormone levels
This test gives a broader health overview and is suitable for monitoring lifestyle impact
Free Thyroxine 4 - FT4HTK
as it highlights long-term magnesium balance rather than short-term fluctuations
& liver health
Vitamin B12 Test (Active) Visit a partner clinic (+£50):Organise a nurse yourself and lifestyle factors can disruptActive Vitamin B12 (holotranscobalamin) represents the portion of B12 available for the bodys cells to use. This Vitamin B12 Test (Active) provides a more accurate reflection of functional B12 status compared to total B12 levels. Low active B12 may lead to fatigue, neurological symptoms, memory issues, and anaemia. Why Need a Vitamin B12 (Active) Blood Test? Testing active B12 gives clearer insight into whether your body has enough usable B12 for