Complement 4 (C4) Level, Serum TOPICO RESISTANT MELASMA – Breakthrough Intermittent Skincare RegimenRESISTANT MELASMA Requires a random urine sample

Requires a random urine sample collected in the provided sterile container

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Additional tests such as HBsAg

Sneezing and nasal congestion

✅ BMI and metabolic health evaluation

Complement 4 (C4) Level, Serum TOPICO RESISTANT MELASMA – Breakthrough Intermittent Skincare RegimenRESISTANT MELASMA Requires a random urine sampleComplement 4 (C4) Level, Serum Complement 4 (C4) Level Test The Complement 4 (C4) Level, Serum test measures the amount of Complement C4 protein in the blood. C4 is part of the complement system, a group of proteins that support the immune system in fighting infections, clearing damaged cells, and regulating inflammation. This test is commonly used to evaluate autoimmune disorders, inflammatory conditions, and immune system activity. Why is this test