Here are a handful of claims about the effect of vitamins and minerals reviewed and approved by the EFSA:
“Vitamin A helps to maintain normal vision as well as normal mucous membranes.”
“Vitamin B1 (Thiamine) contributes to normal energy metabolism, normal heart function, and normal functioning of the nervous system”
“Vitamin-B2 (Riboflavin) helps to reduce fatigue and exhaustion as well as to maintain the normal functioning of the nervous system and normal energy”
“Vitamin-B3 (Nicotinamide) contributes to the normal functioning of the nervous system, psychological functions, and normal energy levels *
“Vitamin-B6 (Pyridoxine) helps to reduce fatigue and exhaustion.”
“Vitamin-C contributes to normal functioning of the immune system and normal collagen formation for the normal functioning of bones , blood vessels, cartilage, gums, skin and teeth.”
“Vitamin C helps protect cells from oxidative stress.”
“Vitamin D contributes to the normal functioning of the immune system and to normal blood calcium levels.”;
“Vitamin-E helps protect cells from oxidative stress.”
“Zinc helps to maintain normal bone structure. Normal hair skin and nails” “Zinc helps maintain normal testosterone levels in the blood, protects the body from oxidative stress and contributes to the normal functioning of the immune system”.
“Chromium helps to maintain normal blood sugar levels and to a normal turnover of macronutrients.”
“Selenium helps protect cells from oxidative stress, the normal functioning of the immune system. “Selenium also helps maintain normal hair skin and nails”
“Iodine contributes to normal energy metabolism, normal production of thyroid hormones and to normal thyroid function.”
“Iron contributes to normal oxygen transportation in the body and to normal formation of red blood cells and hemoglobin.”
“Iron helps reduce fatigue and fatigue.”