Glossary

Glutamine is an amino acid widely used to maintain good brain functioning. Glutamine is a derivative of glutamic acid which is synthesized from the...

Glutathione is a tri-peptide composed of three amino acids: Cysteine, Glutamic Acid and Glycine. Glutathione and the enzymes it forms, such as GTH peroxidase,...

Glycine is an amino acid that is a major part of the pool of amino acids which aid in the synthesis of non essential...

Goldenseal (Hydrastis canadensis L.) a member of the family Ranunculaceae, is a native American medicinal drug introduced to early settlers by Cherokee Indians who...

Gotu kola (Centella asiatica (L.) Urban), of the Apiaceae family, is also known as centella and pennywort. Native to areas such as Sri Lanka...

Grape Seed Extract (along with Pycnogenol, an extract derived from maritime pine bark) is an important source of one of nature's most potent antioxidants,...

Green tea extract comes from the natural dried leaves of the tea plant (Camellia sinensis). Black tea is derived from oxidized green tea leaves....

Guarana (Paullinia Cupana) is a climbing shrub that grows wild in the Amazon regions of Brazil and Uruguay. Most modern commercial Guarana is grown...

Hawthorne berries are gathered from the small tree Crataegus laevigata of the family Rosaceae. Also known as Mayblossom and Whitehorn, Hawthorne was known to...

Histidine is intricately involved in a large number of critical metabolic processes, ranging from the production of red and white blood cells to regulating...

The hop plant, Humulus lupuius, is a a perennial climbing vine and hedgerow that twines around trees. Belonging to the family Cannabidaceae, hops are...

Horsetail (Equisetum Arvense) is a rush-like perennial related to ferns. The hollow, jointed stems of this flowerless plant contain large amounts of silica and...