Comparison

Tulsi Breakfast Tea and Black Tea P.E. 20% (Polyphenols)

Tulsi Breakfast Tea (Organic India) lists 2 distinct ingredients and Black Tea P.E. 20% (Polyphenols) (PureBulk.com) 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 0.57.

Amount per serving (and % of the Daily Value)
IngredientTulsi Breakfast TeaBlack Tea P.E. 20% (Polyphenols)
Black Teanot disclosed1,000 mg
Holy Basilnot disclosed

Amounts are per serving as DSLD gives them: Tulsi Breakfast Tea, 1 infusion bag; Black Tea P.E. 20% (Polyphenols), 1,000 mg. Current labels entered February 2018 and June 2013. Percentages of the Daily Value from 21 CFR 101.9. Source: NIH ODS Dietary Supplement Label Database.

Each product on its own