Nutrients/Active Ingredients:  Protein, vitamin A (Beta Carotene), B, C, E, and K, iron, calcium, antioxidants, potassium, and sodium.
Uses by system and symptom: 
Cardiovascular: Used to reduce cholesterol, blood pressure,  strengthen arteries, Leaves often used as a blood purifier. 
Digestive/Gastrointestinal:  Often used as a liver tonic, to help with digestion, and GI  tract by stimulating saliva, and increasing gastric secretions from stomach, liver, and pancreas. Thought to help maintain healthy flora in your gut. Contains fiber.  Used as a liver detoxification.
Endocrine: May help regulate blood sugar.
Integumentary/Skin:  Eczema, acne, corns and warts. 
Skeletal:  Used to help protect against osteoporosis, arthritis, and to strengthen the bone.
Urinary:  Used as a gentle diuretic especially for those who have premenstrual water retention and for the urinary tract.  Used to help inhibit bacterial growth in the urinary system.
Male/Female Reproductive:  Thought to help keep hormone balance
Common doses and preparation:  Dandelion has a bitter taste.  Leaves and root can be used as a tea. Root can be used as a coffee substitute.  Often used as a nutritive tonic.  1-2 tablespoon in about 2 cups of water as a decoction or 2-4 ml as a tincture up to 3 times a day have been used..  
Side Effects/Precautions/Interactions: 
* This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. For educational purposes only. We recommend speaking with a physician or health care professions, especially if you have medical conditions, are pregnant or lactating, on medications, or use with children and infants.