Common in the young and in women. However, it could be a sign of a serious condition like a severe allergic reaction, internal bleeding, adrenal failure, or heart attack. Symptoms include fatigue, weak pulse, cold hands and feet, headache, dizziness on getting up suddenly.
Diet:
Balanced diet with plenty of raw fruits and vegetables, fish, olive oil, grains, oats.
Nutrients:
Kelp, vitamins C and E, multivitamins and minerals, zinc, selenium.
Herbs:
Hyssop, ginseng, gentian, kola, skullcap.