Do multivitamins work?
The overall effectiveness rating for multivitamins is 1.9 out of 3. This rating means there is some evidence that using multivitamins may lead to positive results. This rating also means that some evidence does not back up all claims. Below you can find individual ratings for specific claims.
There are 15 studies in the database on multivitamins; the confidence rating is 40. A score above 80 means the effectiveness rating for this supplement is reliable. A score under 80 means there is insufficient evidence to ensure a reliable effectiveness rating. Note, this rating is for multivitamins as a whole. There are also individual ratings for the claims below.
The overall ratings above do no necessarily reflect each claim about multivitamins. Individual claims can have higher or lower ratings. For example, some supplements may have a lot of backing for one claim, but be completely useless for another. Click on claims below for more information.
|Performance Claims||Effectiveness Rating||Confidence Rating|
|improve cardiovascular endurance||improve running performance||decrease fatigue||increase strength||improve cycling sprint performance||increase alertness|
|Immune Health Claims||Effectiveness Rating||Confidence Rating|
|improve immune function|
|Recovery Claims||Effectiveness Rating||Confidence Rating|
|improve recovery||reduce muscle damage|
|Mental Health Claims||Effectiveness Rating||Confidence Rating|
|improve cognitive ability||improve memory||increase concentration||improve mood||decrease stress|