l carnitina e beta alanina beta-alanina L-carnitina con l'aggiunta esclusiva di estratto di mentolo Archives This non Suplemento Natural em Pó –

Patients were dosed with 500 mg/day or 500 mg/twice daily of intramuscular acetyl-l-carnitine or placebo for 15 days and assessed by neurological examination (motility, reflexes), pain on visual analogue scale (VAS), superficial sensibility examination, and objective and subjective efficacy evaluation

[DOI] [PubMed] [Google Scholar] Hishikawa K, Nakaki T, Tsuda M, Esumi H, Oshima H, et al

This finding demonstrates that l-carnitine may have a positive effect on rat testicular tissue under a simulated high-altitude environment and indirectly indicates that l-carnitine may effectively eliminate ROS, participate in cell energy metabolism, inhibit apoptosis and protect sperm DNA integrity [36]

However, muscle carnitine during 24 weeks of HIIT did not alter this effect, nor did it enhance muscle metabolic adaptation or performance gain compared with HIIT alone [15]