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The evidence is modest
A: Symptoms can include fatigue, pins and needles, low mood, and hair changes such as diffuse shedding or premature greying
Retrieved June 10, 2025, from U.S
Identity is confirmed by LC-MS, purity is measured by HPLC with UV detection, bacterial endotoxin is tested using a Limulus Amebocyte Lysate assay in accordance with USP , and microbial contamination is screened with a validated polymerase chain reaction assay
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