The overall rating for vitamin b12 is 1 out of 3 meaning there is little if any evidence that this supplement does what it claims to do. Using this supplement will not lead to positive results.
- Simple Report
- Detailed Report
- Overall Effectiveness Rating
- Research Rating
- Products Containing Vitamin B12
- Claim Ratings
Overall Effectiveness Rating
The overall effectiveness rating for vitamin b12 is 1 out of 3. This rating means there is little to no evidence to back the supplement's use. Using this supplement will not lead to positive results. Note, this effectiveness rating is for vitamin b12 as a whole; there are also individual ratings for the claims below.
Read more: What is the effectiveness rating?
Research Rating for Vitamin B12
There is one study in the database on vitamin b12; the research rating is 20. 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 research rating is for vitamin b12 as a whole; there are also individual ratings for the claims below.
Read more: What is the research rating?
Products Containing Vitamin B12
|Products Names||Amount of Vitamin B12|
|Test HD Black Onyx||1mcg|
|Full list of all 279 products containing Vitamin B12.|
The overall ratings above are an average of the individual claim ratings below. Individual claims may have higher or lower ratings compared to the supplement's overall rating. For example, some supplements may have excellent backing for one claim, but be completely useless for another. Click on a claim below for more information.
|Mental Health Claims||Effectiveness Rating||Research Rating|
|improve cognitive ability|
|Title of Study|
|Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial|