Glucose Galactose Mannose Fucose
N-Acetyl-Glucosamine N-Acetyl-Galactosamine N-Acetyl-Neuraminacid Xylose
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Glucose

• Potent fast-energy source
• Enhances memory
• Stimulates calcium absorption
• Too much or too little can be problematic
• Elderly Alzheimer’s patients register much lower levels of this
  Saccharide than those with organic brain disease from stroke
  or other vascular diseases
• Glucose metabolism disturbed in depression, manic-depression,
  anorexia and bulimia