Excess B2 results in yellow-green urine. involved in energy production.

Deficiency Signs and Symptoms
Cracking lips, sores in corner of mouth, inflamed tongue, visual disturbances – sensitive to light, loss of visual acuity, cataracts, burning and itching eyes, lips, mouth, tongue. Disorders of mucous membranes. Anaemia and seborrhoeic dermatitis.
naturopathic Dose
Maintenance 5 – 10 mg daily
Main Uses

Migraine – prevention, based on theory thatmigraines are caused by reduced energy production within mitochondria of cerebral blood vessels.
Cataracts – reduced generation of glutathione enhances formation
Sickle cell anaemia – increases iron status and glutathione levels.

No toxicity.