The participants' best-corrected distance acuity was measured using a rear-illuminated Snellen chart at 6 meters (about 20 feet, or closer if the participant was not able to read the 6/60 optotype) and converted to LogMAR notation for the purposes of analysis.
Overview. Vanadium is a trace mineral found in many foods. Scientists think your body may need vanadium in very small amounts for normal bone growth. Scientists aren't sure exactly what effects vanadium may have, or what amount might be helpful, however, they know high doses of vanadium are likely to be unsafe.
Vanadium is LIKELY SAFE in children when taken in amounts found in foods. Donât give children supplements. Not enough is known about the safety of these larger doses in children. Special Precautions & Warnings: Pregnancy and breast-feeding: If you are pregnant or breast-feeding, limit your intake of vanadium to the amount found in food. Not enough is known about the safety of taking larger doses. Diabetes: The vanadyl sulfate form of vanadium might lower blood sugar in people with type 2 diabetes. Monitor your blood sugar carefully. Kidney problems: There is developing evidence that vanadium might harm the kidneys. If you have kidney disease, donât use vanadium supplements.