l-carnitine nutritional information 3000 Liquid | 3000 mg Carnitine Supplement L-Carnitine | Nature's Answer

Cancer Res 2009

Check the L-Carnitine per serve: compare per serving amounts across products rather than just total bottle size

One placebo-controlled, double-blind, cross-over trial in 86 subjects with fertility issues found that supplementation with L-carnitine (2 g/day) for two months improved sperm quality, as evidenced by increases in sperm concentration and motility (111)

Randomization, blinding, and intervention Following a 2-week run-in period, the participants were randomly allocated to the L-carnitine + synbiotic or L-carnitine + placebo groups via block randomization in a 1:1 ratio, in blocks of two, stratified by age, using the Random Allocation Software (RAS)