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Vitamin A/E (Retinol/Tocopherol) HPLC
IDK®
Vitamin B1 & B6 LC-MS/MS
ID-Vit®
Vitamin B1 (Thiamine) direct MTP assay
Vitamin B1 (Thiaminpyrophosphate) HPLC
ID-Vit®
Vitamin B2 (Riboflavin) (Serum) direct MTP assay
Vitamin B6 (Pyridoxal-5-Phosphate) HPLC
Vitamin B6 (Pyridoxal-5-Phosphate) HPLC
Vitamin C (Ascorbic Acid) HPLC
Vitamin K1 (Phylloquinone) HPLC
Vitamin K1 (SPE) HPLC
IDK®
Vitamin K1/K2 (SPE) HPLC
IDK®
Vitamin K1/K2 HPLC
Zinc-Protoporphyrin HPLC
IDK®
Zonulin (Serum) ELISA
IDK®
Zonulin (Stool) ELISA
