Comparison
GTC Formula and Gtc #2
GTC Formula (Bronson) lists 19 distinct ingredients and Gtc #2 (Bronson) 19 (rows of one ingredient counted once); 19 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 1.00: the same ingredients, at the amounts in the table below.
| Ingredient | GTC Formula | Gtc #2 |
|---|---|---|
| Vitamin C | 250 mg (278%) | 125 mg (139%) |
| Calcium | 66.6 mg (5%) | 33.4 mg (3%) |
| Vitamin B6 | 58.3 mg (3429%) | 29.2 mg (1718%) |
| Vitamin D | 1.25 mcg (6%) | 0.625 mcg (3%) |
| Magnesium | 50 mg (12%) | 25 mg (6%) |
| Vitamin B12 | 166.6 mcg (6942%) | 83.4 mcg (3475%) |
| Zinc | 5 mg (45%) | 2.5 mg (23%) |
| Niacin | 125 mg (781%) | 62.5 mg (391%) |
| Vitamin E | 100 IU | 50 IU |
| Folate | 66.6 mcg | 33.3 mcg |
| Vitamin A | 2,500 IU | 1,250 IU |
| Pantothenic Acid (Vitamin B5) | 75 mg (1500%) | 37.5 mg (750%) |
| Riboflavin | 33.3 mg (2562%) | 16.7 mg (1285%) |
| Thiamin | 50 mg (4167%) | 25 mg (2083%) |
| Biotin | 50 mcg (167%) | 25 mcg (83%) |
| Iron | 1.25 mg (7%) | 0.63 mg (4%) |
| Manganese | 0.5 mg (22%) | 0.25 mg (11%) |
| Copper | 0.3 mg (33%) | 0.15 mg (17%) |
| Iodine | 24 mcg (16%) | 12 mcg (8%) |
Amounts are per serving as DSLD gives them: GTC Formula, 1 tablet; Gtc #2, 1 capsule. Current labels entered June 2012 and June 2012. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.
Each product on its own
- GTC FormulaBronson: every row against all products listing it
- Gtc #2Bronson: every row against all products listing it