Glycine: The Amino Acid Behind Better Sleep, Collagen, and Longevity
Glycine at 3 g before bed improves sleep quality in RCTs. As a longevity molecule it drives collagen synthesis, glutathione via GlyNAC, and mTOR modulation.
Supplements
Moderate EvidenceGlutathione precursor with evidence across respiratory, psychiatric, and liver health.
Glycine at 3 g before bed improves sleep quality in RCTs. As a longevity molecule it drives collagen synthesis, glutathione via GlyNAC, and mTOR modulation.
A physician's guide to selenium dosing, forms, and clinical uses for thyroid health, glutathione recycling, mercury detox, and immune support.
GlyNAC supplementation restores glutathione, reverses mitochondrial dysfunction, and improves multiple hallmarks of aging. Clinical evidence and physician dosing guide.
A physician's guide to IV glutathione therapy — indications, dosing protocols, clinical evidence, and how it compares to oral and liposomal forms.
Physician comparison of NAC vs glutathione supplements. Oral bioavailability, mechanisms, when to use each, liposomal glutathione, and evidence-based recommendations.
Evidence-based guide to NAC for fertility in men and women. PCOS, ovulation, sperm quality, oxidative stress, and dosing protocols from clinical trials.
Evidence-based NAC dosing by condition. Liver support, respiratory health, immune function, mental health, and general antioxidant use. Physician-guided protocols.
NAC N-acetyl cysteine benefits reviewed by a physician. Glutathione precursor, psychiatric uses, liver protection, COVID research, and dosing from 600-1800mg.