herbalife l-carnitine Tartrate improving workout performance Nature's Trove Acetyl L-Carnitine (ALCAR)

doi: 10.1152/jappl.1999.87.5.1741

They reported a significant reduction in milk SCC (indicating less mastitis or enhanced udder immunity and therefore better quality of milk) and improvement in the reproductive indices

Most of these reports pointing towards better interactions of LC and/or ALC with other nutrients and antioxidants to enhance fertility rate in female, including vitamin C [87, 88], vitamin E [88], zinc [47, 88], selenium [88], folic acid [88], coenzyme-Q 10 [47, 88], vegetable oil containing high lysine [44] and many others [21, 47, 88]

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Note that supplemental L-carnitine (doses, 0.6-7.0 g) is less efficiently absorbed compared to smaller amounts in food

Nutrient interactions Endogenous biosynthesis of L-carnitine is catalyzed by the concerted action of four different enzymes (see Metabolism and Bioavailability) ( Figure 2 )