Vitamins - These controls contain vitamins A, D and E. Vitamin testing is an important part of health screenings. All stock vitamin controls come in a serum matrix and lyophilized form.

Steroids - These controls contain different steroids/hormones such as testosterone, cortisone, and progesterone. All UTAK steroid controls are in a serum-based matrix in both real human matrix as well as synthetic SMx serum matrix.

Steroid monitoring is an important part of regular health screenings. They monitor endocrine functions, adrenal functions, inflammatory conditions, infertility, and bone health among others. They also monitor hormone replacement therapies to ensure levels remain within a therapeutic range.