Comparison
Best Fully Active B Complex and Mega B
Best Fully Active B Complex (Doctor's Best) lists 9 distinct ingredients and Mega B (HoltraCeuticals) 11 (rows of one ingredient counted once); 8 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 0.69.
| Ingredient | Best Fully Active B Complex | Mega B |
|---|---|---|
| Vitamin B12 | 1,000 mcg (41667%) | 500 mcg (20833%) |
| Niacin | 50 mg (313%) | 50 mg (313%) |
| Folate | 400 mcg | 680 mcg DFE (170%) |
| Pantothenic Acid (Vitamin B5) | 100 mg (2000%) | 50 mg (1000%) |
| Riboflavin | 75 mg (5769%) | 50 mg (3846%) |
| Thiamin | 60 mg (5000%) | 50 mg (4167%) |
| Biotin | 600 mcg (2000%) | 75 mcg (250%) |
| 5-methyltetrahydrofolate glucosamine | 800 mcg | 400 mcg |
| Vitamin C | 40 mg (44%) | |
| Vitamin B6 | 50 mg (2941%) | |
| Choline | 19 mg (3%) | |
| Inositol | 50 mg |
Amounts are per serving as DSLD gives them: Best Fully Active B Complex, 1 capsule; Mega B, 1 capsule. Current labels entered August 2013 and September 2022. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- Best Fully Active B ComplexDoctor's Best: every row against all products listing it
- Mega BHoltraCeuticals: every row against all products listing it