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Definition Page for DrumLib's Health Research Review:
Amenorrhea (ah-men-oh-REE-ah)
Absence or abnormal suppression of menstruation.
SEE: Amenorrhea (Taber's)
Amino acid (ah-ME-no)
The quality of protein is related to its amino acid content. The
individual amino acids are released from food during digestion. Peptides
are made from amino acids. Some amino acids are essential for life and many are now
considered to be conditionally essential. Although more than 100 amino acids are found in
nature, only 22 occur in animals.
Vitamin C and the B-vitamins
(especially B-6) should be taken with amino acids. There
are four transport systems that carry amino acids across the blood-brain barrier (BBB). If you are going to take more than one amino acid on an empty
stomach, do not take the ones that share a common transport system -- they will compete
with each other. The four major transport systems are as follows:
| Large Neutral Transport System: Histidine Isoleucine Leucine Methionine Phenylalanine Threonine Tryptophan Tyrosine Valine |
Small Neutral Transport System: Asparagine Glutamine Proline Serine Basic Transport System: Arginine Lysine Ornithine Acidic Transport System: Aspartic acid Glutamic acid |