l carnitin capsules VPLab L-Carnitine, 90 (500 mg per Capsule) L-carnitine 300 mg - 60

But could there be another explanation

The serum biochemical levels, including alkaline phosphatase (ALP), alanine aminotransferase (ALT), aspartate aminotransferase (AST), albumin (ALB), serum total protein (TP), globulin (GLOB), albumin-globulin ratio (A/G), triglyceride (TG), creatinine (CREA), urea, calcium (Ca), potassium (K), phosphate (P), sodium (Na) and chloride (Cl), were assayed by an automatic biochemical analyzer (C501, Cobas, USA)

The decrease in activity of multiple enzymes is, however, not linear with cell age, but almost exponential from reticulocytes to mature cells [for a comprehensive review of these aspects, see reference Clark (1988)]

The lack of significant differences among dietary treatments or treatment time interaction suggests that Spirulina platensis under the current experimental conditions did not markedly influence nutritional status parameters or fecal characteristics