Comparison
Migraine Prevention Formula and Vitamin K2
Migraine Prevention Formula (Dr. Knowles) lists 22 distinct ingredients and Vitamin K2 (Natures Plus Source of Life Garden) 20 (rows of one ingredient counted once); 15 are on both labels. On the site's similarity measure, which compares ingredient lists (1 for the same list, rarer ingredients counting for more; amounts are not part of it), the two formulas score 0.56.
| Ingredient | Migraine Prevention Formula | Vitamin K2 |
|---|---|---|
| Beet | not disclosed | not disclosed |
| Blueberry | not disclosed | not disclosed |
| Broccoli | not disclosed | not disclosed |
| Bilberry | not disclosed | not disclosed |
| Carrot | not disclosed | not disclosed |
| Spinach | not disclosed | not disclosed |
| Chlorella | not disclosed | not disclosed |
| Parsley | not disclosed | not disclosed |
| Kale | not disclosed | not disclosed |
| Tomato | not disclosed | not disclosed |
| Acerola | not disclosed | not disclosed |
| Cordyceps | not disclosed | not disclosed |
| Maitake Mushroom | not disclosed | not disclosed |
| Shiitake Mushroom | not disclosed | not disclosed |
| Cauliflower | not disclosed | not disclosed |
| Magnesium | 360 mg (86%) | |
| Riboflavin | 400 mg (30769%) | |
| Ginger | not disclosed | |
| Vitamin K | 120 mcg (100%) | |
| Blue-Green Algae | not disclosed | |
| Cinnamon | not disclosed | |
| Stinging Nettle | not disclosed | |
| Reishi mushroom | not disclosed | |
| Flax | not disclosed | |
| Feverfew | 100 mg | |
| Spirulina | not disclosed | |
| Butterbur | 150 mg |
Amounts are per serving as DSLD gives them: Migraine Prevention Formula, 2 extended release tablets; Vitamin K2, 1 capsule. Current labels entered November 2020 and April 2020. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Migraine Prevention FormulaDr. Knowles: every row against all products listing it
- Vitamin K2Natures Plus Source of Life Garden: every row against all products listing it