Confidence: 95%
B09MJYVXX9
View on Amazon →Decision summary
A solid product, but not a clean win. The main trade-off is weaker ingredient form quality.
Best for
People prioritizing high absorption and overall formula quality.
Consider another option if
You care a lot about label clarity and want fewer unknowns.
Score breakdown
Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.
Dosage quality
6.7/10Acceptable dosing, but not standout
Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).
Explore next
Vitamin-k2: dose within clinically studied range (evidence B). The main limitation is that vitamin-k2: chemical form not specified on label.
Strengths
Weaknesses
Final verdict
A solid product, but not a clean win. The main trade-off is weaker ingredient form quality.
A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.
✔ Clinically effective dose with strong supporting evidence
A clear drag on the formula: Dose is higher than typically recommended ranges. The declared form supports strong absorption.
Scientific evidence
Martineau et al. meta-analysis vitamin D supplementation and respiratory infections
BMJ • 2017
PMID: 26864360.0
Bischoff-Ferrari et al. meta-analysis vitamin D fracture prevention
BMJ • 2009
PMID: 20198382.0
✔ Clinically effective dose with strong supporting evidence
A clear drag on the formula: Dose is strong and within effective ranges. The label does not specify the form, so absorption quality cannot be verified.
Scientific evidence
Cockayne et al. meta-analysis vitamin K2 and bone mineral density
Archives of Internal Medicine • 2006
PMID: 16801507.0
Geleijnse et al. Rotterdam study on vitamin K intake and cardiovascular mortality
Journal of Nutrition • 2004
PMID: 15514282.0
Important label or formulation details that may affect how this product should be interpreted.
Vitamin K2 form is not clearly declared
Exact ingredient form is not disclosed on the label.
Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.
View methodology →This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.
See the best Vitamin D3 supplements ranked with the same methodology, or keep exploring the database.
