glutathione chronic fatigue syndrome deficiency low levels in Myalgic encephalomyelitis /chronic (ME/CFS): diagnosis and management Brain and muscle chemistry in – Katie Wiekamp | Feeling exhausted,

doi: 10.1016/S0006-2952(02)01175-9 23

99.9% purity means the peptide makes up nearly all of the measured content, based on laboratory analysis methods used in peptide production

Russell-Jones DL, Bates AT, Umpleby AM, Hennessy TR, Bowes SB, Hopkins KD, Jackson N, Kelly J, Shojaee-Moradie F, Jones RH

Rare but serious reactions include chest pain, irregular heartbeat, or paradoxical bronchospasm (worsening wheeze), all of which require immediate medical attention

Testosterone Replacement: Regaining Your Vitality For men especially, declining testosterone is a major culprit behind unwanted changes like reduced muscle mass, low energy and libido, and emotional shifts that accompany aging

R.et al (2015)