Acetyl L Carnitine and restoring missing periods PCOS is complex but the right supplements can truly make a difference. When it comes to managing PCOS naturally, three supplements stand out for their science backed benefits: 1) Berberine often compared Carnitine traffic and human fertility ScienceDirect L Carnitine and Women's Health Integrative Therapeutics Frontiers The efficacy of orally administered L carnitine in alleviating ovarian dysfunctions has laid the foundation for targeted in vivo use: a study employing self control and propensity score matching