A 2021 review conducted by the U.S. Preventive Services Task Force analyzing the results of 84 vitamin and mineral supplement trials determined that taking a multivitamin provides little to no benefit in preventing heart disease and cancer, for instance. Whether multivitamins have any impact on other wellness claims — improved energy levels For adults and children ages 14 and up, the upper limit -- the highest dose that can be taken safely -- is 45 mg a day. Children under age 14 should not take more than 40 mg a day. Women's 50+ Gummy Vitamin. Best With Menopause Support: Rainbow Light Women's One 50+ Multivitamin. Best With Added Food Blend: MegaFood Women's 55+ One Daily Multivitamin. Best Tablet With Ferrous sulfate is an iron supplement you may use to treat iron-deficiency anemia. You may need ferrous sulfate if you don't get enough iron through the foods you eat. Ferrous sulfate comes in tablet and liquid form. Side effects may include constipation, stomach cramps and other digestive issues. Only take an iron supplement as directed. Vitamins & Supplements; Q. I take 50 milligrams of zinc daily, but it looks like you should take only 40 milligrams per day. Zinc gluconate 50mg=7mg of elemental zinc, so no its fine to take more than one tablet a day. I'm a pharmacist so I would know these things. As always, consult with your doctor as they know your medical history. Reply. Summary. The UL for vitamin D is 4,000 IU per day. While vitamin D toxicity usually happens with very high intakes of 10,000+ IU per day, experts suggest that even amounts less than the UL could One serving of AG1 provides more than 100% of the DV for several vitamins, including vitamins C and E and all 8 B vitamins. The USDA recommends that adults consume 22-34 g of fiber per day Nearly half of adults in the U.S. take a daily multivitamin; that number increases to more than 70 percent for adults over 60 years old. But does that mean a multivitamin should be part of everyone's daily health regimen? According to Dr. Cherian, the answer isn't a simple yes or no. Getty Images The research is still inconclusive. Avoid taking more than one multivitamin product at the same time unless your doctor tells you to. Taking similar vitamin products together can result in a vitamin overdose or serious side effects. Rather than opt for a one-size-fits-all solution in the form of a multivitamin, Ilene Ruhoy, MD, PhD, a doctor trained in both pediatric and adult neurology at Seattle Children's Hospital and the University of Washington, suggests a more targeted approach. "If there is a nutrient deficiency, an illness, or a health struggle, then appropriate qs3tAlT.