Comparison
Compare evidence before buying.
Side-by-side scores from cited research. Narrow by category, then pick the exact products you want to weigh against each other.
All productsSupplements (20)Fitness (18)Skincare (17)Sleep (14)Heart Health (10)Cognitive Enhancement (8)Recovery (8)Bone & Joint Health (6)Mental Health (6)Nutrition (6)Immune Health (4)Metabolic Health (4)Biomarker Testing (3)Respiratory Health (3)Wearables (3)Gut Health (2)Hair Health (2)Oral Health (2)Vision Health (2)Air Quality (1)Blood Testing (1)Cold Therapy (1)Ergonomics (1)Fertility & Reproductive Health (1)Hormonal Health (1)Medical Devices (1)Microbiome Testing (1)Red Light Therapy (1)Saunas (1)Water Quality (1)Women's Health (1)
Choose products to compare1/4 selected
| Product | ![]() Dr. Berg Maximum Strength 7-in-1 Vitamin D3 K2 5000 IU | Naturally Derived D3 | 4X Lab-Tested & Verified | High Absorption Formula | K2 D3 Vitamin Supplement | 60 Capsules Dr. Berg Nutritionals · Supplements |
|---|---|
| Evidence Score | 51Emerging |
| Safety Score | 69Good |
| Effectiveness | 44Emerging |
| Research Confidence | 67Good |
| Product Fit | 39Limited |
| Evidence directness | Direct product evidence |
| Papers indexed | 5 |
| Top verified claim | Supports cardiovascular wellness markers such as endothelial function and lipid profile |
| Price | $17.99 |
| Open evidence page |
Scores reflect cited research, not medical advice. Highlighted cells mark the strongest score per row among the products shown.

