2018 meta-analysis: Three RCTs examining 13 g/day L-carnitine or ALCAR for 26 months in 201 men aged 2040 with infertility found supplemental carnitine improved sperm motility by 7.84% and morphology by 4.91% but did NOT affect sperm concentration [3][46]
Its important to consult with a healthcare provider before using semaglutide for non-prescribed purposes, as side effects like fatigue or muscle loss could interfere with performance goals
The promise is real, but it is not a shortcut
While that's more modest than Zepbound's results, it's still a clinically significant outcome, and the convenience and accessibility advantages are real
Patients with MASLD or MASH may benefit from more structured monitoring, including non-invasive assessments of liver fibrosis such as FIB-4 index calculation or vibration-controlled transient elastography (FibroScan) when available
doi: 10.1152/physrev.00012.2004 12 CummingsDEFrayoRSMarmonierCAubertRChapelotD