Deficiency Symptoms - Vitamins, NutrientsTocotrienols Tocotrienols Deficiency SymptomsAs it is not an essential nutrient, no deficiency state exists. Top Anti-Aging Supplements Top Anti-Aging Supplements Deficiency Symptoms Top Supplements for Men Top Supplements for Men Deficiency Symptoms Vanadium Vanadium Deficiency SymptomsDeficiencies of vanadium have not been reported in humans, and it is not known whether this mineral is essential for humans. Vinpocetine Vinpocetine Deficiency SymptomsVinpocetine is not an essential nutrient, so no deficiencies are possible. Xylitol Xylitol Deficiency SymptomsXylitol is not an essential nutrient; therefore, no deficiencies are possible. Zinc Zinc Deficiency SymptomsZinc deficiencies are quite common in people living in poor countries. Phytate, a substance found in unleavened bread (pita, matzos, and some crackers) significantly reduces absorption of zinc, increasing the chance of zinc deficiency. However, phytate-induced deficiency of zinc appears to be a significant problem only for people already consuming marginally low amounts [...] Vitamin A Vitamin A Deficiency SymptomsPeople who limit their consumption of liver, dairy foods, and beta-carotene-containing vegetables can develop a vitamin A deficiency. Extremely low birth weight babies (2.2 pounds or less) are at high risk of being born with a deficiency, and vitamin A shots given to these infants have been reported in [...] Acetyl-L-Carnitine Acetyl-L-Carnitine Deficiency SymptomsAcetyl-L-carnitine levels may decrease with advancing age. However, because it is not an essential nutrient, true deficiencies do not occur. N-Acetyl Cysteine N-Acetyl Cysteine Deficiency SymptomsDeficiencies of NAC have not been defined and may not exist. Deficiencies of the related amino acidcysteine have been reported in HIV-infected patients. More: Page 1 | Page 2 | Page 3 | Page 4 | Page 5 | Page 6 | Page 7 | Page 8 | Page 9 | Page 10 | Page 11 | Page 12 | Page 13 | Page 14 | Page 15 | Page 16 | Page 17 | |