Comparison

Extra Strength IGF-1 Extreme and IGF-1 Activator 30C

Extra Strength IGF-1 Extreme (NOW Sports) lists 2 distinct ingredients and IGF-1 Activator 30C (Essential Source) 1 (rows of one ingredient counted once); 1 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 0.80.

Amount per serving (and % of the Daily Value)
IngredientExtra Strength IGF-1 ExtremeIGF-1 Activator 30C
Insulin-Like Growth Factor0.055 mcgnot disclosed
Vitamin B121,000 mcg (41667%)

Amounts are per serving as DSLD gives them: Extra Strength IGF-1 Extreme, 0.75 ml; IGF-1 Activator 30C, 3 sprays. Current labels entered September 2019 and July 2015. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own