Comparison

Spectramin Chelate and Spectramin Chelate (Krebs/Chelates)

Spectramin Chelate (Douglas Laboratories) lists 13 distinct ingredients and Spectramin Chelate (Krebs/Chelates) (Douglas Laboratories) 12 (rows of one ingredient counted once); 12 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 0.93.

Amount per serving (and % of the Daily Value)
IngredientSpectramin ChelateSpectramin Chelate (Krebs/Chelates)
Calcium150 mg (12%)450 mg (35%)
Magnesium0.063 mg (under 1%)0.19 mg (under 1%)
Zinc6 mg (55%)18 mg (164%)
Potassium33 mg (under 1%)99 mg (2%)
Chromium100 mcg (286%)300 mcg (857%)
Selenium66.7 mcg (121%)200 mcg (364%)
Copper0.42 mg (47%)1.25 mg (139%)
Iodine50 mcg (33%)150 mcg (100%)
Molybdenum16.7 mcg (37%)50 mcg (111%)
Boron0.033 mg0.1 mg
Vanadium25 mcg75 mcg
Silicon0.67 mg2 mg
Manganese10 mg (435%)

Amounts are per serving as DSLD gives them: Spectramin Chelate, 1 tablet; Spectramin Chelate (Krebs/Chelates), 3 tablets. Current labels entered August 2020 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