Work out multivitamin overlap instantly with clear inputs, formula shown and shareable results.
Adds intake from the multivitamin, other supplements and food, then compares the total with the tolerable upper intake level for that nutrient.
Total intake
Total = multivitamin + other supplements + food; compare with the tolerable upper intake level, which covers all sources combined
Educational estimate only. Not a substitute for professional clinical judgement, and must not be used to make treatment or dosing decisions.
Vitamin A as retinol, vitamin D, iron, zinc, selenium and niacin, where upper limits are close to common supplemental doses.
For most nutrients yes; for a few, such as magnesium and niacin, the limit applies only to supplemental forms.