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Digestive enzymes break the tripeptide into its individual amino acids before it can enter systemic circulation intact
Mahmoudi A, et al
Levels decline with age, which is one reason researchers are studying exogenous administration as a longevity intervention
Mercury Fillings and Thyroid Dysfunction Mercury, found in older silver amalgam fillings , is known to be a neurotoxin that can: Disrupt thyroid hormone production by interfering with iodine uptake
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