Carlyle is a perfectly fine, inexpensive, no-frills EGCG extract — it just doesn't do anything better than the picks above it, which is why it rounds out the list at #8. The label is clean and allergen-friendly (non-GMO, gluten-free), the 200-count bottle keeps the per-dose cost low, and the brand (part of the Nature's Truth family) is established and widely stocked.
The knocks are simply about lacking an edge: no decaf/caffeine-control option, no elite third-party testing pedigree, and no standout standardization story. If you find it cheap and want a straightforward EGCG capsule — taken with food, at a sensible dose — it's a fine buy; for anything specific (caffeine control, max standardization, top-tier QC), one of the higher picks is the better tool.