L-tyrosine is an amino acid that's often used in supplements to improve cognitive function affected by stress. Supplements containing L-tyrosine supplements may also help treat phenylketonuria (PKU).

Thyroid hormones help regulate the body's metabolic rate, which is a measure of how efficient it is at using energy. When the thyroid isn’t producing enough of certain hormones, metabolism slows down; ...

INTERPRETATION/SUMMARY These results: (i) confirm that there are marked regional differences in bile acid metabolism between the right and left halves of the colon, (ii) suggest that caecal and faecal ...