The overall rating for vitamin k 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 K
- Claim Ratings
Overall Effectiveness Rating
The overall effectiveness rating for vitamin k 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 k as a whole; there are also individual ratings for the claims below.
Read more: What is the effectiveness rating?
Research Rating for Vitamin K
There is one study in the database on vitamin k; 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 k as a whole; there are also individual ratings for the claims below.
Read more: What is the research rating?
Products Containing Vitamin K
|Products Names||Amount of Vitamin K|
|Mega Men 50 Plus||80mcg|
|Womens Multivitamin 50 Plus||80mcg|
|Full list of all 34 products containing Vitamin K.|
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.
|General Health Claims||Effectiveness Rating||Research Rating|
|increase bone density|
|Title of Study|
|Vitamin K supplementation does not significantly impact bone mineral density and biochemical markers of bone in pre- and perimenopausal women|